7Baggers

Diodes Incorporated
(NASDAQ:DIOD) 

DIOD stock logo

Diodes Incorporated designs, manufactures, and supplies application-specific standard products in the discrete, logic, and analog and mixed-signal semiconductor markets worldwide. It primarily focuses on low pin count semiconductor devices with one or more active and/or passive components. The compa...

Founded: 1959
Full Time Employees: 6,605
Sector: Technology
Industry: Semiconductors

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    Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 2004-06-30 2003-12-31 
                                                                                             
      net sales
    405,467,000 391,578,000 392,170,000 366,212,000 332,113,000 339,298,000 350,079,000 319,771,000 301,972,000 322,699,000 404,647,000 467,152,000 467,241,000 496,212,000 521,273,000 500,972,000 482,123,000 480,171,000 471,422,000 440,448,000 413,121,000 350,370,000 309,459,000 288,669,000 280,717,000 301,157,000 323,674,000 322,006,000 302,293,000 314,446,000 320,946,000 304,085,000 274,512,000 268,430,000 285,247,000 264,224,000 236,303,000 232,085,000 250,694,000 236,645,000 222,738,000 214,382,000 208,888,000 219,453,000 206,182,000 223,671,000 233,777,000 223,217,000 209,986,000 210,993,000 224,510,000 214,379,000 176,964,000 163,287,000 166,617,000 159,239,000 144,663,000 143,313,000 160,577,000 169,806,000 161,555,000 163,766,000 163,120,000 149,153,000 136,847,000 130,287,000 122,122,000 103,898,000 78,050,000 87,140,000 134,047,000 116,018,000 95,580,000 107,592,000 105,264,000 96,283,000 92,020,000 94,432,000 92,575,000 82,712,000 73,589,000 61,367,000 54,200,000 50,598,000 48,600,000 47,908,000 49,353,000 47,012,000  
      yoy
    22.09% 15.41% 12.02% 14.52% 9.98% 5.14% -13.49% -31.55% -35.37% -34.97% -22.37% -6.75% -3.09% 3.34% 10.57% 13.74% 16.70% 37.05% 52.34% 52.58% 47.17% 16.34% -4.39% -10.35% -7.14% -4.23% 0.85% 5.89% 10.12% 17.14% 12.52% 15.09% 16.17% 15.66% 13.78% 11.65% 6.09% 8.26% 20.01% 7.83% 8.03% -4.15% -10.65% -1.69% -1.81% 6.01% 4.13% 4.12% 18.66% 29.22% 34.75% 34.63% 22.33% 13.94% 3.76% -6.22% -10.46% -12.49% -1.56% 13.85% 18.06% 25.70% 33.57% 43.56% 75.33% 49.51% -8.90% -10.45% -18.34% -19.01% 27.34% 20.50% 3.87% 13.94% 13.71% 16.41% 25.05% 53.88% 70.80% 63.47% 51.42% 28.09% 9.82% 7.63%      
      qoq
    3.55% -0.15% 7.09% 10.27% -2.12% -3.08% 9.48% 5.89% -6.42% -20.25% -13.38% -0.02% -5.84% -4.81% 4.05% 3.91% 0.41% 1.86% 7.03% 6.61% 17.91% 13.22% 7.20% 2.83% -6.79% -6.96% 0.52% 6.52% -3.86% -2.03% 5.54% 10.77% 2.27% -5.90% 7.96% 11.82% 1.82% -7.42% 5.94% 6.24% 3.90% 2.63% -4.81% 6.44% -7.82% -4.32% 4.73% 6.30% -0.48% -6.02% 4.73% 21.14% 8.38% -2.00% 4.63% 10.08% 0.94% -10.75% -5.44% 5.11% -1.35% 0.40% 9.36% 8.99% 5.04% 6.69% 17.54% 33.12% -10.43% -34.99% 15.54% 21.38% -11.16% 2.21% 9.33% 4.63% -2.55% 2.01% 11.92% 12.40% 19.92% 13.22% 7.12% 4.11% 1.44% -2.93% 4.98%   
      cost of goods sold
    276,675,000 269,648,000 271,682,000 250,888,000 227,419,000 228,414,000 232,071,000 212,385,000 202,388,000 210,223,000 248,771,000 271,776,000 272,787,000 290,016,000 303,455,000 294,446,000 285,426,000 289,480,000 290,191,000 280,646,000 274,485,000 227,673,000 198,369,000 187,177,000 184,875,000 191,795,000 201,628,000 200,018,000 189,882,000 200,247,000 205,732,000 196,817,000 175,917,000 172,051,000 188,900,000 174,085,000 162,392,000 164,822,000 170,071,000 161,828,000 158,518,000 160,785,000 147,252,000 150,016,000 142,269,000 153,009,000 159,045,000 152,913,000 148,405,000 150,192,000 154,951,000 153,086,000 130,781,000 120,040,000 123,012,000 118,211,000 110,957,000 107,818,000 115,383,000 114,191,000 104,162,000 101,124,000 102,143,000 95,686,000 89,064,000 88,518,000 84,547,000 76,528,000 63,557,000 64,264,000 95,929,000 76,400,000 63,664,000 49,803,500 71,112,000 65,605,000 62,496,000 62,884,000 61,879,000 55,279,000 49,375,000 39,960,000 35,323,000 33,101,000 32,004,000 31,697,000 32,607,000 31,984,000  
      gross profit
    128,792,000 121,930,000 120,488,000 115,324,000 104,694,000 110,884,000 118,008,000 107,386,000 99,584,000 112,476,000 155,876,000 195,376,000 194,454,000 206,196,000 217,818,000 206,526,000 196,697,000 190,691,000 181,231,000 159,802,000 138,636,000 122,697,000 111,090,000 101,492,000 95,842,000 109,362,000 122,046,000 121,988,000 112,411,000 114,199,000 115,214,000 107,268,000 98,595,000 96,379,000 96,347,000 90,139,000 73,911,000 67,263,000 80,623,000 74,817,000 64,220,000 48,746,500 61,636,000 69,437,000 63,913,000 70,662,000 74,732,000 70,304,000 61,581,000 60,801,000 69,559,000 61,293,000 46,183,000 43,247,000 43,605,000 41,028,000 33,706,000 35,495,000 45,194,000 55,615,000 57,393,000 62,642,000 60,977,000 53,467,000 47,783,000 41,769,000 37,575,000 27,370,000 14,493,000 22,876,000 38,118,000 39,618,000 31,916,000 36,026,000 34,152,000 30,678,000 29,524,000 31,548,000 30,696,000 27,433,000 24,214,000 21,407,000 18,877,000 17,497,000 16,596,000 16,211,000 16,746,000 15,028,000  
      yoy
    23.02% 9.96% 2.10% 7.39% 5.13% -1.42% -24.29% -45.04% -48.79% -45.45% -28.44% -5.40% -1.14% 8.13% 20.19% 29.24% 41.88% 55.42% 63.14% 57.45% 44.65% 12.19% -8.98% -16.80% -14.74% -4.24% 5.93% 13.72% 14.01% 18.49% 19.58% 19.00% 33.40% 43.29% 19.50% 20.48% 15.09% 37.99% 30.81% 7.75% 0.48% -31.01% -17.52% -1.23% 3.79% 16.22% 7.44% 14.70% 33.34% 40.59% 59.52% 49.39% 37.02% 21.84% -3.52% -26.23% -41.27% -43.34% -25.88% 4.02% 20.11% 49.97% 62.28% 95.35% 229.70% 82.59% -1.42% -30.92% -54.59% -36.50% 11.61% 29.14% 8.10% 14.19% 11.26% 11.83% 21.93% 47.37% 62.61% 56.79% 45.90% 32.05% 12.73% 16.43%      
      qoq
    5.63% 1.20% 4.48% 10.15% -5.58% -6.04% 9.89% 7.83% -11.46% -27.84% -20.22% 0.47% -5.69% -5.34% 5.47% 5.00% 3.15% 5.22% 13.41% 15.27% 12.99% 10.45% 9.46% 5.90% -12.36% -10.39% 0.05% 8.52% -1.57% -0.88% 7.41% 8.80% 2.30% 0.03% 6.89% 21.96% 9.88% -16.57% 7.76% 16.50% 31.74% -20.91% -11.23% 8.64% -9.55% -5.45% 6.30% 14.17% 1.28% -12.59% 13.49% 32.72% 6.79% -0.82% 6.28% 21.72% -5.04% -21.46% -18.74% -3.10% -8.38% 2.73% 14.05% 11.90% 14.40% 11.16% 37.29% 88.85% -36.65% -39.99% -3.79% 24.13% -11.41% 5.49% 11.32% 3.91% -6.42% 2.78% 11.89% 13.29% 13.11% 13.40% 7.89% 5.43% 2.37% -3.19% 11.43%   
      gross margin %
    31.76% 31.14% 30.72% 31.49% 31.52% 32.68% 33.71% 33.58% 32.98% 34.85% 38.52% 41.82% 41.62% 41.55% 41.79% 41.23% 40.80% 39.71% 38.44% 36.28% 33.56% 35.02% 35.90% 35.16% 34.14% 36.31% 37.71% 37.88% 37.19% 36.32% 35.90% 35.28% 35.92% 35.90% 33.78% 34.11% 31.28% 28.98% 32.16% 31.62% 28.83% 22.74% 29.51% 31.64% 31.00% 31.59% 31.97% 31.50% 29.33% 28.82% 30.98% 28.59% 26.10% 26.49% 26.17% 25.77% 23.30% 24.77% 28.14% 32.75% 35.53% 38.25% 37.38% 35.85% 34.92% 32.06% 30.77% 26.34% 18.57% 26.25% 28.44% 34.15% 33.39% 33.48% 32.44% 31.86% 32.08% 33.41% 33.16% 33.17% 32.90% 34.88% 34.83% 34.58% 34.15% 33.84% 33.93% 31.97%  
      operating expenses
                                                                                             
      selling, general, and administrative
    64,305,000 62,939,000 60,498,000 59,470,000 58,699,000 62,323,000 59,388,000 58,467,000                                                                                  
      research and development
    40,615,000 41,150,000 41,861,000 40,537,000 38,627,000 33,207,000 33,691,000 33,189,000 33,964,000 32,957,000 34,068,000 34,611,000 33,232,000 34,090,000 32,787,000 30,762,000 28,677,000 30,096,000 31,458,000 29,987,000 27,659,000 24,819,000 24,469,000 21,322,000 23,678,000 21,951,000 22,689,000 21,707,000 22,170,000 21,487,000 22,549,000 22,050,000 20,200,000 19,662,000 20,379,000 19,796,000 18,040,000 17,690,000 17,088,000 17,010,000 18,149,000 16,383,000 13,745,000 13,590,000 13,309,000 12,571,000 13,864,000 12,781,000 12,920,000 12,466,000 13,611,000 12,145,000 10,080,000 9,295,000 9,084,000 8,218,000 7,164,000 6,876,000 7,304,000 6,533,000 6,518,000 6,181,000 7,212,000 6,815,000 6,376,000 6,813,000 6,284,000 5,385,000 5,275,000 5,792,000 7,360,000 4,994,000 3,736,000 2,413,500 3,554,000 3,156,000 2,944,000             
      amortization of acquisition related intangible assets
    3,944,000 4,714,000 5,850,000 5,839,000 5,824,000 5,002,000 3,833,000 3,854,000 3,810,000 3,806,000 3,808,000 3,816,000 3,852,000 3,830,000 3,938,000 3,980,000 3,862,000 3,034,750 4,056,000 4,060,000 4,023,000 3,062,250 4,007,000 4,021,000 4,221,000 3,384,750 4,519,000 4,536,000 4,484,000 3,465,750 4,418,000 4,678,000 4,767,000 4,700,000 4,694,000 4,646,000 4,758,000 5,099,000 5,117,000 5,131,000 5,131,000 2,966,000 1,828,000                   1,121,000 1,098,000 1,078,000 1,128,000 1,185,000 1,271,000 1,118,000 1,091,000                     
      loss on disposal of fixed assets
    143,000 -128,000 699,000 19,000                                                                                      
      other operating expense
    20,000 250 -1,000 2,000 266,000     1,554,000 -1,404,000  -48,000 3,654,000 102,000 -3,521,000 -343,000 -670,000 667,000 118,000 888,000 1,175,000 108,000   1,885,000  -104,000  -445,000 -66,000 17,000                                                          
      total operating expense
    109,027,000 108,725,000 108,916,000 105,935,000 103,398,000 98,967,000 96,131,000 103,678,000 86,636,000 91,773,000 102,002,000 105,809,000 108,027,000 109,745,000 105,372,000 100,288,000 103,639,000 72,418,750 103,984,000 94,445,000 91,246,000 53,462,000 73,235,000 70,623,000 69,990,000 54,272,500 73,331,000 73,472,000 70,288,000 52,613,750 69,376,000 69,424,000                                                          
      income from operations
    19,765,000 13,205,000 11,572,000 9,389,000 1,296,000 11,917,000 21,877,000 3,708,000 12,948,000 20,703,000 53,874,000 89,567,000 86,427,000 96,451,000 112,446,000 106,238,000 93,058,000 85,991,000 77,247,000 65,357,000 47,390,000 39,756,000 37,855,000 30,869,000 25,852,000 61,253,000 48,715,000 48,516,000 42,123,000 43,860,000 45,838,000 37,844,000 26,940,000 23,458,000 23,717,000 23,828,000 9,357,000 5,371,000 19,953,000 11,277,000 1,455,000 -6,772,000 9,973,000 21,998,000 16,903,000 22,021,000 25,004,000 23,143,000 14,343,000 8,005,000 20,262,000 10,238,000 3,776,000 3,570,000 7,522,000 8,304,000 5,500,000 4,939,000 13,366,000 25,354,000 28,330,000 32,234,000 29,830,000 24,008,000 18,860,000 13,750,000 11,232,000 5,875,000 -8,028,000 -4,846,000 396,000 17,497,000 13,566,000 18,154,000 15,991,000 12,355,000 13,901,000 16,154,000 16,898,000 13,640,000 10,844,000 11,563,000 10,358,000 9,451,000 9,109,000 9,870,000 9,634,000 7,804,000  
      yoy
    1425.08% 10.81% -47.10% 153.21% -89.99% -42.44% -59.39% -95.86% -85.02% -78.54% -52.09% -15.69% -7.13% 12.16% 45.57% 62.55% 96.37% 116.30% 104.06% 111.72% 83.31% -35.10% -22.29% -36.37% -38.63% 39.66% 6.28% 28.20% 56.36% 86.97% 93.27% 58.82% 187.91% 336.75% 18.86% 111.30% 543.09% -179.31% 100.07% -48.74% -91.39% -130.75% -60.11% -4.95% 17.85% 175.09% 23.40% 126.05% 279.85% 124.23% 169.37% 23.29% -31.35% -27.72% -43.72% -67.25% -80.59% -84.68% -55.19% 5.61% 50.21% 134.43% 165.58% 308.65% -334.93% -383.74% 2736.36% -66.42% -159.18% -126.69% -97.52% 41.62% -2.41% 12.38% -5.37% -9.42% 28.19% 39.70% 63.14% 44.32% 19.05% 17.15% 7.52% 21.10%      
      qoq
    49.68% 14.11% 23.25% 624.46% -89.12% -45.53% 489.99% -71.36% -37.46% -61.57% -39.85% 3.63% -10.39% -14.22% 5.84% 14.16% 8.22% 11.32% 18.19% 37.91% 19.20% 5.02% 22.63% 19.41% -57.79% 25.74% 0.41% 15.18% -3.96% -4.32% 21.12% 40.48% 14.84% -1.09% -0.47% 154.65% 74.21% -73.08% 76.94% 675.05% -121.49% -167.90% -54.66% 30.14% -23.24% -11.93% 8.04% 61.35% 79.18% -60.49% 97.91% 171.13% 5.77% -52.54% -9.42% 50.98% 11.36% -63.05% -47.28% -10.50% -12.11% 8.06% 24.25% 27.30% 37.16% 22.42% 91.18% -173.18% 65.66% -1323.74% -97.74% 28.98% -25.27% 13.53% 29.43% -11.12% -13.95% -4.40% 23.89% 25.78% -6.22% 11.63% 9.60% 3.75% -7.71% 2.45% 23.45%   
      operating margin %
    4.87% 3.37% 2.95% 2.56% 0.39% 3.51% 6.25% 1.16% 4.29% 6.42% 13.31% 19.17% 18.50% 19.44% 21.57% 21.21% 19.30% 17.91% 16.39% 14.84% 11.47% 11.35% 12.23% 10.69% 9.21% 20.34% 15.05% 15.07% 13.93% 13.95% 14.28% 12.45% 9.81% 8.74% 8.31% 9.02% 3.96% 2.31% 7.96% 4.77% 0.65% -3.16% 4.77% 10.02% 8.20% 9.85% 10.70% 10.37% 6.83% 3.79% 9.02% 4.78% 2.13% 2.19% 4.51% 5.21% 3.80% 3.45% 8.32% 14.93% 17.54% 19.68% 18.29% 16.10% 13.78% 10.55% 9.20% 5.65% -10.29% -5.56% 0.30% 15.08% 14.19% 16.87% 15.19% 12.83% 15.11% 17.11% 18.25% 16.49% 14.74% 18.84% 19.11% 18.68% 18.74% 20.60% 19.52% 16.60%  
      other income
    91,000 -2,096,000 413,000 373,000 623,000 1,214,000 682,000 562,000 434,000 3,484,000 1,309,000 1,398,000 530,000 1,046,000 2,218,000 1,647,000 1,876,000 11,153,000 2,244,000 1,837,000 2,317,000 3,517,000 1,627,000 1,274,000 1,000 2,023,000 2,577,000 1,235,000 1,245,000 1,031,000 1,061,000 377,000 4,635,000 1,071,000 597,000 802,000  -373,500 -959,000 901,000  -356,500 255,000 -741,000 -939,000 77,250 1,300,000 359,000 -1,350,000 -492,500 -2,768,000 277,000 521,000 715,250 1,923,000 251,000 687,000 -1,861,000 -2,300,000 -1,913,000 -3,231,000                             
      interest income
    5,445,000 6,980,000 8,487,000 7,024,000 5,813,000 4,920,000 4,532,000 4,237,000 4,614,000 4,835,000 4,507,000 2,224,000 1,772,000 1,123,000 862,000 861,000 826,000 788,000 765,000 818,000 768,000 487,000 138,000 168,000 273,000 409,000 272,000 633,000 875,000 547,000 474,000 443,000 514,000 483,000 389,000 308,000 295,000 282,000 321,000 298,000 456,000                     255,000 279,000 996,000 1,312,000 964,000 805,000 1,345,000 1,757,000 2,165,000 1,824,000 2,554,000 5,448,000 -1,746,000 4,712,000 4,285,000 2,629,000 2,310,000 1,069,000 1,004,000 734,000 155,000 23,000 39,000  3,250 3,000 8,000  
      interest expense
    -682,000 -1,300,000 -503,000 -506,000 -467,000 -494,000 -456,000 -852,000 -532,000 -481,000 -898,000 -2,189,000 -2,132,000 -2,892,000 -2,724,000 -1,590,000 -1,114,000 -1,193,000 -1,417,000 -2,017,000 -2,864,000 -4,019,000 -3,745,000 -2,653,000 -1,245,000 -1,730,000 -2,007,000 -2,011,000 -2,145,000 -2,282,000 -2,318,000 -2,544,000 -2,757,000 -2,955,000 -3,561,000 -3,447,000 -3,485,000 -3,377,000 -3,684,000 -3,684,000 -2,512,000                     -912,000 -939,000 -1,396,000 -1,982,000 -1,762,000 -1,784,000 -1,877,000 -2,048,000 -2,074,000 -3,291,000 -2,285,000 -1,698,000 -1,281,750 -1,706,000 -1,696,000  -90,750 -89,000 -133,000 -140,000 -116,250 -188,000 -118,000 -154,000 -137,000 -163,000   
      foreign currency (loss)
    -3,377,000 -2,485,750 -3,328,000                                                                                       
      unrealized gain on investments
    2,450,000 557,000 2,391,000 29,645,000 -4,032,000 -1,631,000 -3,410,000 4,350,000 370,000 1,805,000 401,000 12,172,000 3,889,000 -554,000 -2,648,000 -7,764,000 -5,548,000 13,180,000 5,922,000 5,261,000 3,655,000                                                                     
      impairment of equity investment
    -1,249,000    -5,817,000                                                                                     
      total other income
    2,678,000 1,266,000 7,460,000 43,834,000 -4,063,000 353,000 -3,075,000 9,096,000 5,858,000 7,175,000 6,633,000 11,388,000 2,166,000 -1,687,000 -3,300,000 -5,027,000 -2,239,000 22,805,000 8,319,000 5,389,000 2,597,000    -896,000 -177,250 20,000      -637,000 -2,662,000 -3,887,000 -3,965,000 -7,255,000 -2,722,000 -4,322,000 -2,485,000 -3,492,000                        144,000    -2,237,000 19,079,000 -2,364,000 -933,000 3,456,000 1,958,750 2,993,000 2,661,000 2,181,000             
      income before income taxes, equity in net earnings of equity investments, and noncontrolling interest
    22,443,000                                                                                         
      income tax provision
    4,000,000 2,151,000 3,555,000 9,063,000 20,000 2,041,000 3,619,000 2,643,000 3,537,000 2,771,000 10,674,000 17,224,000 16,616,000 1,406,000 20,172,000 18,461,000 16,646,000 42,487,000 14,766,000 12,120,000 9,434,000 6,015,000 5,871,000 4,670,000 4,556,000 12,046,000 10,613,000 11,174,000 10,298,000 12,830,000 13,190,000 10,753,000 7,783,000 50,674,000 5,052,000 6,039,000 560,000 617,000 4,097,000 2,396,000 -552,000 -2,097,000 6,593,000 5,399,000 4,187,000 5,989,000 6,172,000 5,651,000 2,547,000 2,828,000 3,604,000 1,475,000 6,574,000 2,842,000 509,000 856,000 618,000 245,000 359,000 4,718,000 4,835,000 6,134,000 5,346,000 3,035,000 3,324,000 -3,622,000 -629,000 5,156,000 397,000 9,900,000 -319,000 -2,781,000 -2,215,000 16,550,000 -2,243,000 -2,221,000 -2,658,000 -3,911,000 -3,212,000 -2,885,000 -1,690,000 -2,162,000 -1,621,000 -1,461,000 -1,442,000 -1,836,000 -2,134,000   
      equity in net earnings of equity investments
    -2,341,000                                                                                         
      net income
    16,102,000 12,320,000 15,477,000 44,160,000 -2,787,000 10,229,000 15,183,000 10,161,000 15,269,000 25,107,000 49,833,000 83,731,000 71,977,000 93,358,000 88,974,000 82,750,000 74,173,000 66,309,000 70,800,000 58,626,000 40,553,000 30,055,000 27,386,000 21,388,000 20,400,000 47,554,000 38,122,000 36,703,000 31,736,000 30,009,000 31,210,000 25,667,000 18,520,000 -29,878,000 14,778,000 13,824,000 1,542,000 2,032,000 11,534,000 6,396,000 -1,485,000 -4,756,000 3,635,000 15,858,000 11,777,000 17,204,000 20,132,000 17,851,000 10,446,000 3,451,000 13,890,000 9,040,000 -2,277,000 3,778,000 8,936,000 7,699,000 5,569,000 3,813,000 10,707,000 18,723,000 20,264,000 24,965,000 22,069,000 17,550,000 15,680,000 15,040,000 7,839,000 -2,369,000 -10,662,000 14,611,000 -2,946,000 13,108,000 14,203,000 18,299,000 16,101,000 12,249,000 13,009,000 14,676,000 12,770,000 11,385,000 9,312,000 10,040,000 8,383,000 7,665,000 7,240,000 7,330,000 7,242,000 6,123,000  
      yoy
    -677.75% 20.44% 1.94% 334.60% -118.25% -59.26% -69.53% -87.86% -78.79% -73.11% -43.99% 1.19% -2.96% 40.79% 25.67% 41.15% 82.90% 120.63% 158.53% 174.11% 98.79% -36.80% -28.16% -41.73% -35.72% 58.47% 22.15% 43.00% 71.36% -200.44% 111.19% 85.67% 1101.04% -1570.37% 28.13% 116.14% -203.84% -142.72% 217.30% -59.67% -112.61% -127.64% -81.94% -11.16% 12.74% 398.52% 44.94% 97.47% -558.76% -8.66% 55.44% 17.42% -140.89% -0.92% -16.54% -58.88% -72.52% -84.73% -51.48% 6.68% 29.23% 65.99% 181.53% -840.82% -247.06% 2.94% -366.09% -118.07% -175.07% -20.15% -118.30% 7.01% 9.18% 24.69% 26.08% 7.59% 39.70% 46.18% 52.33% 48.53% 28.62% 36.97% 15.76% 25.18%      
      qoq
    30.70% -20.40% -64.95% -1684.50% -127.25% -32.63% 49.42% -33.45% -39.18% -49.62% -40.48% 16.33% -22.90% 4.93% 7.52% 11.56% 11.86% -6.34% 20.77% 44.57% 34.93% 9.75% 28.04% 4.84% -57.10% 24.74% 3.87% 15.65% 5.75% -3.85% 21.60% 38.59% -161.99% -302.18% 6.90% 796.50% -24.11% -82.38% 80.33% -530.71% -68.78% -230.84% -77.08% 34.65% -31.54% -14.54% 12.78% 70.89% 202.69% -75.15% 53.65% -497.01% -160.27% -57.72% 16.07% 38.25% 46.05% -64.39% -42.81% -7.60% -18.83% 13.12% 25.75% 11.93% 4.26% 91.86% -430.90% -77.78% -172.97% -595.96% -122.47% -7.71% -22.38% 13.65% 31.45% -5.84% -11.36% 14.93% 12.17% 22.26% -7.25% 19.77% 9.37% 5.87% -1.23% 1.22% 18.28%   
      net income margin %
    3.97% 3.15% 3.95% 12.06% -0.84% 3.01% 4.34% 3.18% 5.06% 7.78% 12.32% 17.92% 15.40% 18.81% 17.07% 16.52% 15.38% 13.81% 15.02% 13.31% 9.82% 8.58% 8.85% 7.41% 7.27% 15.79% 11.78% 11.40% 10.50% 9.54% 9.72% 8.44% 6.75% -11.13% 5.18% 5.23% 0.65% 0.88% 4.60% 2.70% -0.67% -2.22% 1.74% 7.23% 5.71% 7.69% 8.61% 8.00% 4.97% 1.64% 6.19% 4.22% -1.29% 2.31% 5.36% 4.83% 3.85% 2.66% 6.67% 11.03% 12.54% 15.24% 13.53% 11.77% 11.46% 11.54% 6.42% -2.28% -13.66% 16.77% -2.20% 11.30% 14.86% 17.01% 15.30% 12.72% 14.14% 15.54% 13.79% 13.76% 12.65% 16.36% 15.47% 15.15% 14.90% 15.30% 14.67% 13.02%  
      less net income attributable to noncontrolling interest
    -1,141,000 -227,750 -1,199,000 1,938,000 -1,650,000 -1,207,500 -1,438,000 -2,161,000 -1,231,000 -912,750 -1,113,000 -1,711,000 -827,000 -1,307,000 -2,588,000 -2,595,000 -1,482,000 -1,682,250 -2,376,000 -3,252,000 -1,101,000 -205,250 -234,000 -355,000      -223,750 -302,000 -599,000  -324,500 -328,000 -645,000 -325,000 -444,500 -886,000 -644,000 -248,000 555,500 798,000                                               
      net income attributable to common stockholders
    14,961,000 10,202,000 14,278,000 46,098,000 -4,437,000 8,241,000 13,745,000 8,000,000 14,038,000 25,292,000 48,720,000 82,020,000 71,150,000 92,051,000 86,386,000 80,155,000 72,691,000 65,513,000 68,424,000 55,374,000 39,452,000 29,735,000 27,152,000 21,033,000 20,168,000 47,190,000 38,060,000 36,284,000 31,716,000 29,519,000 30,908,000 25,068,000 18,526,000 -30,651,000 14,450,000 13,179,000 1,217,000 1,268,000 10,648,000 5,752,000 -1,733,000 -4,773,000 2,837,000 15,078,000 11,132,000 16,664,000 19,427,000 17,385,000 10,202,000 6,204,000 13,619,000 8,635,000 -1,926,000 4,075,000 8,553,000 6,653,000 4,871,000 3,115,000 9,957,000 17,981,000 19,684,000 23,966,000 21,162,000 16,647,000 14,958,000 14,212,000 7,020,000 -2,953,000 -10,766,000                     
      earnings per share attributable to common stockholders:
                                                                                             
      basic
    0.33 0.22 0.31 0.99 -0.1 0.17 0.3 0.17 0.3 0.55 1.06 1.79 1.56 2.03 1.9 1.77 1.61 1.46 1.52 1.24 0.89 0.59 0.52 0.41 0.39 0.93 0.75 0.72 0.63 0.59 0.62 0.5 0.38 -0.63 0.29 0.27 0.03 0.03 0.22 0.12 -0.04 -0.1 0.06 0.31 0.23 0.35 0.41 0.37 0.22 0.13 0.29 0.19 -0.04 0.09 0.19 0.15 0.11 0.07 0.22 0.4 0.44 0.54 0.48 0.38 0.34 0.34 0.17 -0.07 -0.26 0.36 -0.07 0.32 0.35 0.46 0.4 0.31 0.5 0.57 0.5 0.45 0.37 -0.17 0.57 0.53 0.51 0.53 0.54 0.46  
      diluted
    0.32 0.23 0.31 0.99 -0.1 0.18 0.3 0.17 0.3 0.55 1.05 1.77 1.54 1.99 1.88 1.75 1.59 1.41 1.5 1.22 0.87 0.58 0.51 0.4 0.38 0.91 0.73 0.7 0.62 0.58 0.61 0.49 0.37 -0.62 0.29 0.26 0.02 0.02 0.21 0.12 -0.04 -0.1 0.06 0.31 0.23 0.34 0.4 0.36 0.21 0.13 0.28 0.18 -0.04 0.08 0.18 0.14 0.1 0.07 0.21 0.38 0.42 0.52 0.46 0.37 0.33 0.33 0.16 -0.07 -0.26 0.34 -0.07 0.31 0.33 0.43 0.38 0.29 0.47 0.55 0.45 0.41 0.34 -0.14 0.51 0.47 0.46 0.47 0.47 0.4  
      number of shares used in earnings per share computation:
                                                                                             
      basic
    45,919 -44 46,383 46,398 46,370 42 46,331 46,133 46,032 45 45,936 45,733 45,600 47 45,475 45,265 45,104 83 44,986 44,667 44,408 -559 51,825 51,527 51,335 100 50,998 50,658 50,398 128 50,115 49,680 49,337 191 49,057 48,518 48,316 101 48,814 48,383 48,288 96 48,586 48,076 47,667 137 47,548 46,889 46,699 103 46,605 46,148 46,021 78 45,997 45,642 45,460 -50 45,603 45,325 44,820 115 44,346 43,975 43,767 476 42,533 41,587 41,146 124 40,889 40,616 40,245 -39,390,821 39,844,587 39,397,309 26,027,023 108,263 25,686,913 25,521,144 25,348,986 8,728,938 14,673,490 14,418,819      
      diluted
    46,138 -40 46,437 46,462 46,370 30 46,442 46,324 46,285 15 46,320 46,243 46,161 98 46,014 45,841 45,844 274 45,642 45,380 45,243 -479 52,729 52,569 52,422 161 51,869 51,620 51,462 52 51,077 50,792 50,622 -1,237 50,416 49,944 49,663 224 49,922 49,500 48,288 149 49,564 49,250 48,978 209 48,736 48,423 47,996 74 48,023 47,507 46,021 -2 46,995 46,859 46,935 -162 47,093 47,148 46,680 128 45,673 45,510 45,323 1,688 44,013 41,587 41,146 -108 40,889 42,843 42,534 -42,056,337 42,445,255 42,022,979 27,850,553 -387,399 28,152,592 27,994,117 27,679,070 9,664,521 16,487,676 16,209,651      
      restructuring charges
     85,750 9,000 68,000                                                                                      
      gain on disposal of subsidiary
       13,730,000                                                                                      
      income before income taxes and noncontrolling interest
     14,471,000 19,032,000 53,223,000 -2,767,000 12,270,000 18,802,000 12,804,000 18,806,000 27,878,000 60,507,000 100,955,000 88,593,000 94,764,000 109,146,000 101,211,000 90,819,000 108,796,000 85,566,000 70,746,000 49,987,000 36,070,000 33,257,000 26,058,000 24,956,000 59,600,000 48,735,000 47,877,000 42,034,000 42,839,000 44,400,000 36,420,000 26,303,000 20,796,000 19,830,000 19,863,000 2,102,000 2,649,000 15,631,000 8,792,000 -2,037,000 -6,853,000 10,228,000 21,257,000 15,964,000 23,193,000 26,304,000 23,502,000 12,993,000 6,279,000 17,494,000 10,515,000 4,297,000 6,620,000 9,445,000 8,555,000 6,187,000 4,058,000 11,066,000 23,441,000 25,099,000 31,099,000 27,415,000 20,585,000 19,004,000 11,418,000 7,210,000 2,787,000 -10,265,000                     
      foreign currency gain
       -6,432,000 -183,000 -3,656,000 -4,423,000 799,000 972,000 -2,468,000 1,314,000 -2,217,000 -1,893,000 -410,000 -1,008,000 1,819,000 1,721,000 -246,000 805,000 -510,000 -1,279,000    75,000 -345,500 -822,000 -496,000    300,000    -1,628,000                                                      
      gain on disposal of fixed assets
        -18,000 -2,116,000 -571,000  -4,872,000                                                                -45,000                 
      restructuring charge
         552,000 -211,000 8,250,000                                                             99,000                     
      other operating income
          1,000  -1,000   -118,000                 -54,000    -142,000                                                         
      (gain) on disposal of fixed assets
           -82,000                                                                                  
      selling, general and administrative
            53,735,000 56,484,000 62,964,000 67,500,000 70,991,000 71,822,000 68,545,000 69,067,000 71,443,000 70,951,000 67,803,000 60,280,000 58,676,000 52,829,000 44,651,000 45,372,000 42,215,000 44,200,000 46,123,000 47,333,000 43,688,000 44,419,000 42,475,000 42,153,000 47,150,000 44,727,000 43,525,000 39,697,000 39,690,000 39,091,000 38,321,000 41,390,000 39,454,000 40,963,000 34,669,000 31,882,000 31,731,000 34,183,000 33,897,000 33,291,000 32,330,000 32,840,000 33,810,000 35,080,000 30,376,000 28,661,000 25,796,000 24,760,000 22,146,000 22,585,000 23,404,000 22,575,000 21,410,000 23,106,000 22,837,000 21,422,000 21,419,000 20,021,000 19,079,000 15,240,000 16,056,000 15,718,000 20,914,000 17,127,000 14,659,000 10,170,500 14,607,000 13,397,000 12,679,000             
      restructuring cost
             -983,000 2,566,000                                                                               
      foreign currency loss
                         -3,671,000 -2,618,000 -3,600,000     -64,000 -846,000 -655,000  -3,029,000 -1,683,500 -1,312,000                                                       
      total other expense
                         -3,686,000 -4,598,000 -4,811,000    -639,000 -89,000 -1,021,000 -1,438,000 -1,424,000                                                          
      other operating
                           -92,000 -124,000                                                                 
      less net (income) attributable to noncontrolling interest
                            -232,000 -125,250 -62,000 -419,000                                                              
      less net loss attributable to noncontrolling interest
                                -20,000    6,000                                                         
      impairment of fixed assets
                                     218,000 1,993,000                                                       
      restructuring
                                   526,000 -320,000                                  -291,000 -248,000                      
      total operating expenses
                                    71,655,000 72,921,000 72,630,000 66,311,000 64,554,000 61,892,000 60,670,000 63,540,000 62,765,000 60,369,000 51,663,000 47,439,000 47,010,000 48,641,000 49,728,000 47,161,000 47,238,000 52,796,000 49,297,000 51,055,000 42,407,000 39,677,000 36,083,000 32,724,000 28,206,000 30,556,000 31,828,000 30,261,000 29,063,000 30,408,000 31,147,000 29,459,000 28,923,000 28,019,000 26,343,000 21,495,000 22,521,000 27,722,000 37,722,000 22,121,000 18,350,000 13,026,750 18,161,000 18,323,000 15,623,000 15,394,000 13,798,000 13,793,000 13,370,000 9,844,000 8,519,000 8,046,000 7,487,000 6,341,000 7,112,000 7,224,000  
      restructuring expense
                                     1,527,000 2,039,000 1,838,000 2,231,000                                                     
      other operating expenses
                                     -415,000  334,000 -165,000 12,000 144,000 9,000 31,000   1,967,000 1,970,000 1,261,000 1,967,000 1,089,000 1,988,000 1,914,250 1,876,000 3,830,000 1,951,000 -38,750 1,203,000 -254,000 -1,104,000 852,000 1,120,000 1,153,000 1,135,000                             
      currency
                                        -3,794,000                                                     
      other expense
                                        -271,000    -1,436,000                                                 
      loss on securities carried at fair value
                                                                                             
      gain on securities carried at fair value
                                                                                             
      loss on fixed assets
                                             389,000 1,421,000                                               
      less: net income attributable to noncontrolling interest
                                               -780,000 -645,000 -353,750 -705,000 -466,000  -81,250 -271,000 -405,000  297,000 -383,000 -1,046,000 -698,000 -698,000 -750,000 -742,000 -580,000 -999,000 -907,000 -903,000 -722,000 -828,000 -819,000 -584,000 -104,000                     
      earnings per share attributable to common stockholders
                                                                                             
      basic
    0.33 0.22 0.31 0.99 -0.1 0.17 0.3 0.17 0.3 0.55 1.06 1.79 1.56 2.03 1.9 1.77 1.61 1.46 1.52 1.24 0.89 0.59 0.52 0.41 0.39 0.93 0.75 0.72 0.63 0.59 0.62 0.5 0.38 -0.63 0.29 0.27 0.03 0.03 0.22 0.12 -0.04 -0.1 0.06 0.31 0.23 0.35 0.41 0.37 0.22 0.13 0.29 0.19 -0.04 0.09 0.19 0.15 0.11 0.07 0.22 0.4 0.44 0.54 0.48 0.38 0.34 0.34 0.17 -0.07 -0.26 0.36 -0.07 0.32 0.35 0.46 0.4 0.31 0.5 0.57 0.5 0.45 0.37 -0.17 0.57 0.53 0.51 0.53 0.54 0.46  
      diluted
    0.32 0.23 0.31 0.99 -0.1 0.18 0.3 0.17 0.3 0.55 1.05 1.77 1.54 1.99 1.88 1.75 1.59 1.41 1.5 1.22 0.87 0.58 0.51 0.4 0.38 0.91 0.73 0.7 0.62 0.58 0.61 0.49 0.37 -0.62 0.29 0.26 0.02 0.02 0.21 0.12 -0.04 -0.1 0.06 0.31 0.23 0.34 0.4 0.36 0.21 0.13 0.28 0.18 -0.04 0.08 0.18 0.14 0.1 0.07 0.21 0.38 0.42 0.52 0.46 0.37 0.33 0.33 0.16 -0.07 -0.26 0.34 -0.07 0.31 0.33 0.43 0.38 0.29 0.47 0.55 0.45 0.41 0.34 -0.14 0.51 0.47 0.46 0.47 0.47 0.4  
      number of shares used in computation
                                                                                             
      basic
    45,919 -44 46,383 46,398 46,370 42 46,331 46,133 46,032 45 45,936 45,733 45,600 47 45,475 45,265 45,104 83 44,986 44,667 44,408 -559 51,825 51,527 51,335 100 50,998 50,658 50,398 128 50,115 49,680 49,337 191 49,057 48,518 48,316 101 48,814 48,383 48,288 96 48,586 48,076 47,667 137 47,548 46,889 46,699 103 46,605 46,148 46,021 78 45,997 45,642 45,460 -50 45,603 45,325 44,820 115 44,346 43,975 43,767 476 42,533 41,587 41,146 124 40,889 40,616 40,245 -39,390,821 39,844,587 39,397,309 26,027,023 108,263 25,686,913 25,521,144 25,348,986 8,728,938 14,673,490 14,418,819      
      diluted
    46,138 -40 46,437 46,462 46,370 30 46,442 46,324 46,285 15 46,320 46,243 46,161 98 46,014 45,841 45,844 274 45,642 45,380 45,243 -479 52,729 52,569 52,422 161 51,869 51,620 51,462 52 51,077 50,792 50,622 -1,237 50,416 49,944 49,663 224 49,922 49,500 48,288 149 49,564 49,250 48,978 209 48,736 48,423 47,996 74 48,023 47,507 46,021 -2 46,995 46,859 46,935 -162 47,093 47,148 46,680 128 45,673 45,510 45,323 1,688 44,013 41,587 41,146 -108 40,889 42,843 42,534 -42,056,337 42,445,255 42,022,979 27,850,553 -387,399 28,152,592 27,994,117 27,679,070 9,664,521 16,487,676 16,209,651      
      less: net loss attributable to noncontrolling interest
                                                    -244,000    351,000                                     
      impairment of long-lived assets
                                                                   144,000                          
      amortization of debt discount
                                                                 -1,943,000 -2,006,000 -1,873,000 -1,834,000 -1,831,000 -1,981,000 -2,281,000 -2,209,000                     
      other
                                                                 1,465,000 251,000 -1,150,000 2,648,000 297,000 -1,062,000 -275,000 263,000 18,988,000 -897,000 -1,202,000 -294,000 -17,500 -13,000 72,000 -448,000 225,000 -1,563,000 12,000 -207,000 311,000 116,000 12,000 -34,000 -385,000 91,000 24,000  
      total other expenses
                                                                 -1,423,500 -2,415,000 -3,423,000  -2,336,750 -4,022,000 -3,088,000                      
      purchased in-process research and development
                                                                         1,966,250 7,865,000                   
      amortization of acquisition-related intangible assets
                                                                         395,750 1,583,000                   
      income before income taxes and minority interest
                                                                         14,233,000 -1,968,000 16,564,000 17,022,000   15,016,000  19,052,000 16,315,000 14,523,000 11,231,000 7,153,500 10,309,000 9,384,000 8,921,000 5,851,500 9,565,000 7,683,000  
      income before minority interest
                                                                         14,963,000 -2,287,000 13,783,000 14,807,000 10,739,750 16,741,000 12,795,000 13,424,000 15,141,000 13,103,000 11,638,000 9,541,000 10,332,000 8,688,000 7,923,000 7,479,000 7,499,000 7,431,000 6,300,000  
      minority interest in earnings of joint ventures
                                                                         -484,500 -659,000 -675,000 -604,000                 
      earnings per share
                                                                                             
      basic
    0.33 0.22 0.31 0.99 -0.1 0.17 0.3 0.17 0.3 0.55 1.06 1.79 1.56 2.03 1.9 1.77 1.61 1.46 1.52 1.24 0.89 0.59 0.52 0.41 0.39 0.93 0.75 0.72 0.63 0.59 0.62 0.5 0.38 -0.63 0.29 0.27 0.03 0.03 0.22 0.12 -0.04 -0.1 0.06 0.31 0.23 0.35 0.41 0.37 0.22 0.13 0.29 0.19 -0.04 0.09 0.19 0.15 0.11 0.07 0.22 0.4 0.44 0.54 0.48 0.38 0.34 0.34 0.17 -0.07 -0.26 0.36 -0.07 0.32 0.35 0.46 0.4 0.31 0.5 0.57 0.5 0.45 0.37 -0.17 0.57 0.53 0.51 0.53 0.54 0.46  
      diluted
    0.32 0.23 0.31 0.99 -0.1 0.18 0.3 0.17 0.3 0.55 1.05 1.77 1.54 1.99 1.88 1.75 1.59 1.41 1.5 1.22 0.87 0.58 0.51 0.4 0.38 0.91 0.73 0.7 0.62 0.58 0.61 0.49 0.37 -0.62 0.29 0.26 0.02 0.02 0.21 0.12 -0.04 -0.1 0.06 0.31 0.23 0.34 0.4 0.36 0.21 0.13 0.28 0.18 -0.04 0.08 0.18 0.14 0.1 0.07 0.21 0.38 0.42 0.52 0.46 0.37 0.33 0.33 0.16 -0.07 -0.26 0.34 -0.07 0.31 0.33 0.43 0.38 0.29 0.47 0.55 0.45 0.41 0.34 -0.14 0.51 0.47 0.46 0.47 0.47 0.4  
      restructuring charge and gain on disposal of fixed assets
                                                                                             
      restucturing costs and fixed asset impairment
                                                                             442,750                
      income before income taxes
                                                                                             
      and minority interest
                                                                             12,520,250 18,984,000  16,082,000             
      minority interest
                                                                             -400,250 -640,000 -546,000 -415,000             
      restucturing and impariment of fixed assets
                                                                               1,770,000              
      selling and general administrative expenses
                                                                                 8,720,750 11,825,000 11,716,000 11,284,000         
      research and development expenses
                                                                                 1,496,250 1,941,000 2,077,000 1,966,000 672,000 938,000 850,000 900,000 626,250 942,000 815,000  
      loss (gain) on disposal of fixed assets
                                                                                 38,000 32,000   3,000        
      other income - sum
                                                                                 186,250 -583,000 883,000 387,000 -76,000 -49,000 -67,000 -188,000 -130,000 -69,000   
      minority interest in joint venture earnings
                                                                                 -206,000 -333,000 -253,000    -258,000 -239,000 -126,750 -189,000   
      loss (gain) on fixed assets
                                                                                    120,000         
      minority interest in joint veture earnings
                                                                                    -229,000 -200,500 -305,000       
      selling, general and administrative expenses
                                                                                     5,367,250 7,581,000 7,196,000 6,692,000 4,519,750 6,171,000 6,417,000  
      loss (gain) on sale of fixed assets
                                                                                        -105,000     
      weighted average shares outstanding
                                                                                             
      basic
                                                                                        14,217,910     
      diluted
                                                                                        15,683,348     
      loss on sale of fixed assets
                                                                                         3,500 -1,000   
      weighted-average shares outstanding
                                                                                             
      basic
                                                                                          13,355,775 13,265,146  
      diluted
                                                                                          15,367,449 15,329,760  
      income tax benefit
                                                                                             
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 2003-12-31 
                                                                                           
        assets
                                                                                           
        current assets:
                                                                                           
        cash and cash equivalents
      394,062,000 367,212,000 376,587,000 317,049,000 335,754,000 308,671,000 311,864,000 264,709,000 266,202,000 315,457,000 295,045,000 321,616,000 323,146,000 336,732,000 378,996,000 299,868,000 303,295,000 363,599,000 280,543,000 292,650,000 276,253,000 268,065,000 587,643,000 503,206,000 269,516,000 258,390,000 218,349,000 235,352,000 301,167,000 241,053,000 150,274,000 152,403,000 182,411,000 203,820,000 201,226,000 266,605,000 265,119,000 247,802,000 220,526,000 192,554,000 237,006,000 218,435,000 188,755,000 194,592,000 222,113,000 243,000,000 236,849,000 235,465,000 211,642,000 196,635,000 204,214,000 213,546,000 200,205,000 157,121,000 168,266,000 168,293,000 176,728,000 129,510,000 124,897,000 290,366,000 278,740,000 270,901,000 263,807,000 245,640,000 247,795,000 241,953,000 126,072,000 109,486,000 93,208,000 103,496,000 82,679,000 86,132,000 61,243,000 40,538,000 48,888,000 53,157,000   73,288,000  33,014,000 27,922,000  16,701,000  
        restricted cash
      5,144,000 5,134,000 5,460,000 5,728,000 5,204,000 6,053,000 5,220,000 2,948,000 4,358,000 3,026,000 2,592,000 3,120,000 2,761,000 4,367,000 6,836,000 7,679,000 2,710,000 3,219,000 4,295,000 2,268,000 54,848,000 52,464,000                                                                
        short-term investments
      10,188,000 9,817,000 9,807,000 10,285,000 8,173,000 7,464,000 7,463,000 9,188,000 9,782,000 10,174,000 9,872,000 9,042,000 8,768,000 7,059,000 6,909,000 8,833,000 9,241,000 6,542,000 7,364,000 7,386,000 8,366,000 6,142,000 3,014,000 3,652,000 2,859,000 4,825,000 7,928,000 6,604,000 6,751,000 7,499,000 7,280,000 7,225,000 3,851,000 4,558,000 12,737,000 16,420,000 32,524,000 29,842,000 34,766,000 44,245,000 43,051,000 64,685,000 24,586,000 25,844,000 26,722,000 11,726,000 14,165,000 17,656,000 20,522,000 22,922,000 21,690,000              237,825,000 296,600,000        294,779,000 291,008,000 56,139,000 51,417,000 45,806,000 40,348,000 30,002,000      
        accounts receivable
      304,461,000 307,055,000 303,813,000 313,492,000 302,241,000 325,517,000 358,938,000 384,965,000 391,508,000 371,930,000 414,188,000 393,132,000 369,054,000 369,233,000 377,549,000 401,196,000 362,035,000 358,496,000 348,688,000 339,142,000 332,209,000 320,061,000 261,782,000 268,618,000 243,746,000 260,322,000 257,421,000 240,056,000 215,229,000 228,405,000 228,065,000 199,949,000 174,141,000 200,112,000 230,460,000 223,011,000 204,972,000 217,217,000 239,278,000 229,913,000 216,507,000 218,496,000 202,467,000 206,637,000 177,628,000 188,248,000 193,639,000 187,839,000 175,604,000 192,267,000 191,792,000 181,878,000 172,237,000 152,073,000 157,001,000 149,990,000 139,695,000 132,408,000 139,391,000 144,205,000 145,091,000 129,207,000 123,493,000 117,302,000 105,077,000 102,989,000 101,695,000 85,702,000 68,174,000 74,574,000 110,310,000 111,934,000 87,457,000 82,421,000 77,705,000           
        inventories
      492,761,000 471,546,000 470,912,000 482,701,000 471,036,000 474,948,000 482,038,000 461,539,000 429,363,000 389,774,000 343,694,000 325,733,000 341,941,000 360,281,000 374,811,000 371,351,000 370,045,000 348,622,000 322,088,000 304,128,000 289,972,000 307,062,000 260,289,000 255,828,000 232,184,000 236,472,000 230,815,000 222,969,000 216,569,000 215,435,000 219,146,000 222,786,000 236,501,000 216,506,000 211,412,000 207,726,000 191,301,000 193,483,000 204,251,000 209,875,000 204,976,000 202,832,000 197,698,000 195,274,000 187,379,000 182,026,000 189,119,000 182,781,000 176,693,000 180,396,000 194,320,000 186,786,000 182,201,000 153,293,000 158,116,000 137,734,000 134,470,000 140,337,000 139,074,000 128,730,000 123,086,000 120,689,000 113,069,000 101,768,000 93,977,000 89,652,000 82,880,000 79,784,000 82,835,000 99,118,000 99,094,000 101,649,000 62,162,000 48,821,000 48,202,000 45,767,000 43,241,000 36,877,000 24,611,000 26,420,000 22,304,000 21,227,000 22,238,000 21,408,000 16,164,000 
        prepaid expenses and other
      96,057,000 96,198,000 106,931,000 115,359,000 102,482,000 101,500,000 96,921,000 97,115,000 100,016,000 97,024,000 117,191,000 107,746,000 76,101,000 83,999,000 131,460,000 125,686,000 104,763,000  100,905,000 96,904,000 88,703,000  101,961,000 95,181,000 48,141,000  43,575,000 46,726,000 41,274,000  42,804,000 36,177,000 37,415,000 37,328,000 45,644,000 44,671,000 45,333,000 44,438,000 40,691,000 41,663,000 42,990,000 46,103,000 38,389,000 47,882,000 46,455,000 50,510,000 52,130,000 54,628,000 49,232,000 47,352,000 48,741,000 48,371,000 45,680,000 18,928,000 28,910,000 24,466,000 21,685,000 19,093,000 17,450,000 17,328,000 13,994,000 11,679,000 10,207,000 13,124,000 11,400,000 11,591,000 11,783,000 11,637,000 13,468,000 15,578,000 13,681,000 15,088,000 12,740,000 9,241,000 8,393,000    5,326,000    4,243,000  2,256,000 
        total current assets
      1,302,673,000 1,256,962,000 1,273,510,000 1,244,614,000 1,224,890,000 1,224,153,000 1,262,444,000 1,220,464,000 1,201,229,000 1,187,385,000 1,182,582,000 1,160,389,000 1,121,771,000 1,161,671,000 1,276,561,000 1,214,613,000 1,152,089,000 1,187,672,000 1,063,883,000 1,042,478,000 1,050,351,000 1,023,987,000 1,214,689,000 1,126,485,000 796,446,000 809,959,000 763,035,000 756,654,000 780,990,000 734,838,000 647,569,000 618,540,000 634,319,000 662,324,000 701,479,000 758,433,000 739,249,000 732,782,000 739,512,000 718,250,000 744,530,000 750,551,000 663,088,000 681,546,000 671,598,000 686,805,000 695,730,000 688,192,000 643,377,000 650,085,000 672,265,000 642,886,000 611,889,000 491,410,000 518,510,000 486,489,000 477,936,000 426,798,000 429,300,000 588,829,000 569,013,000 540,752,000 519,833,000 487,159,000 704,368,000 750,619,000 642,872,000 613,392,000 265,495,000 296,760,000 312,824,000 321,423,000 229,570,000 479,373,000 478,846,000 239,660,000 216,026,000 207,783,000 200,732,000 187,758,000 110,653,000 100,127,000 92,086,000 87,619,000 67,833,000 
        property, plant, and equipment
      652,202,000 649,605,000 657,413,000 680,042,000 665,857,000 684,259,000 703,725,000 707,617,000                                                                              
        deferred tax assets
      58,287,000  54,511,000 55,029,000 51,682,000  52,443,000 50,956,000 50,912,000                                                                             
        goodwill
      182,288,000 183,437,000 183,144,000 185,292,000 182,272,000 181,555,000 148,512,000 145,595,000 146,941,000 146,558,000 143,745,000 146,138,000 145,937,000 144,757,000 141,175,000 145,898,000 147,968,000 149,890,000 149,592,000 159,584,000 158,583,000 158,331,000 155,492,000 152,140,000 149,666,000 141,318,000 138,020,000 138,772,000 135,669,000 132,437,000 132,910,000 132,829,000 135,994,000 134,187,000 133,538,000 132,290,000 131,059,000 129,412,000 131,661,000 131,389,000 134,125,000 132,913,000 79,389,000 82,067,000 79,665,000 81,229,000 83,542,000 85,960,000 84,508,000 84,714,000 89,330,000 86,233,000 86,400,000 87,359,000 77,738,000 68,450,000 69,424,000 67,818,000 67,770,000 70,207,000 69,636,000 68,949,000 67,668,000 65,185,000 65,908,000 68,075,000 67,616,000 68,356,000 63,672,000 56,791,000 51,559,000 112,324,000 26,474,000 24,735,000 25,030,000 24,093,000 24,564,000 24,383,000 5,090,000 5,090,000 5,090,000 5,090,000 5,090,000 5,090,000 5,090,000 
        intangible assets
      41,425,000 45,455,000 50,264,000 56,328,000 61,585,000 67,397,000 53,698,000 57,391,000 59,952,000 63,937,000 67,445,000 71,496,000 75,398,000 79,137,000 81,619,000 86,071,000 90,451,000 94,550,000 98,570,000 102,677,000 106,570,000 110,591,000 114,306,000 118,076,000 121,218,000 119,523,000 125,446,000 130,035,000 133,506,000 137,935,000 142,487,000 146,941,000 151,810,000 156,445,000 161,122,000 165,696,000 170,180,000 174,876,000 180,232,000 185,503,000 191,071,000 196,409,000 42,841,000 41,278,000 42,663,000 45,028,000 47,391,000 49,976,000 51,662,000 53,571,000 55,284,000 56,319,000 58,623,000 44,337,000 40,078,000 22,187,000 23,619,000 24,197,000 25,317,000 27,077,000 28,156,000 28,770,000 29,949,000 30,729,000 32,163,000 34,892,000 35,751,000 37,833,000 34,899,000 35,928,000 43,813,000 17,418,000 9,569,000 10,232,000 10,669,000           
        equity investments
      154,656,000                                                                                     
        operating lease assets
      48,636,000                                                                                     
        other long-term assets
      57,561,000 253,344,000 250,949,000 250,250,000 170,055,000 176,943,000 168,560,000 179,034,000 173,660,000 171,990,000 174,536,000 179,579,000 150,563,000 130,709,000 147,039,000 146,619,000 163,284,000 159,048,000 136,908,000 113,799,000 112,551,000 97,892,000 71,112,000 71,734,000 79,820,000 81,494,000    42,674,000                                                        
        total assets
      2,497,728,000 2,448,100,000 2,469,791,000 2,471,555,000 2,356,341,000 2,386,281,000 2,389,382,000 2,361,057,000 2,356,172,000 2,367,659,000 2,340,222,000 2,341,071,000 2,285,561,000 2,288,312,000 2,362,564,000 2,285,044,000 2,165,462,000 2,194,495,000 2,041,909,000 1,992,969,000 1,990,342,000 1,979,457,000 2,032,652,000 1,937,163,000 1,620,266,000 1,639,384,000 1,609,813,000 1,614,159,000 1,612,998,000 1,526,371,000 1,467,784,000 1,436,772,000 1,471,362,000 1,488,673,000 1,540,589,000 1,579,129,000 1,541,005,000 1,528,552,000 1,552,440,000 1,542,866,000 1,579,933,000 1,601,030,000 1,213,193,000 1,205,184,000 1,175,030,000 1,179,157,000 1,188,240,000 1,185,735,000 1,140,604,000 1,162,258,000 1,202,120,000 1,171,574,000 1,144,638,000 920,063,000 923,167,000 859,793,000 847,808,000 793,064,000 773,729,000 923,064,000 881,798,000 846,550,000 822,384,000 772,691,000 981,868,000 1,021,898,000 914,614,000 893,549,000 859,087,000 894,143,000 908,463,000 954,577,000 715,443,000 629,774,000 622,139,000 366,870,000 339,947,000 318,958,000 289,515,000 264,567,000 186,380,000 172,685,000 167,801,000 151,721,000 123,795,000 
        liabilities
                                                                                           
        current liabilities:
                                                                                           
        lines of credit
      30,047,000 30,264,000 33,167,000 27,562,000 31,044,000 31,429,000 35,704,000 26,343,000 48,928,000 40,685,000 29,429,000 33,729,000 34,651,000 36,280,000 35,258,000 25,907,000 28,031,000  15,690,000 60,239,000 67,624,000                          2,009,000 2,487,000 2,482,000  5,499,000 4,507,000 3,713,000  7,101,000 1,004,000 10,517,000   10,000,000        215,249,000 4,129,000 6,098,000                
        accounts payable
      169,198,000 149,376,000 146,910,000 148,269,000 135,556,000 133,765,000 150,247,000 156,687,000 149,228,000 158,261,000 161,079,000 152,192,000 143,694,000 160,442,000 196,543,000 219,329,000 211,365,000 221,254,000 195,098,000 181,919,000 172,172,000 168,045,000 127,315,000 138,692,000 112,075,000 122,148,000 117,226,000 110,521,000 107,078,000 117,808,000 117,118,000 104,575,000 106,973,000 108,001,000 111,689,000 110,338,000 90,780,000 87,600,000 90,548,000 93,279,000 87,429,000 86,463,000 86,388,000 88,321,000 84,017,000 79,390,000 97,367,000 101,050,000 91,544,000 89,212,000 106,622,000 107,047,000 92,091,000 64,072,000 87,120,000 77,313,000 66,915,000 66,063,000 82,554,000 82,074,000 74,069,000 70,057,000 74,766,000 67,720,000 65,651,000 62,448,000 57,339,000 44,029,000 30,709,000 47,561,000 51,493,000 58,423,000              
        operating lease liabilities, current
      12,124,000                                                                                     
        accrued liabilities and other
      179,591,000 180,922,000 175,235,000 173,349,000 169,329,000 186,576,000 161,880,000 167,436,000 164,570,000 179,674,000 193,383,000 198,882,000 176,952,000 214,433,000 220,496,000 205,152,000 167,392,000  179,908,000 182,385,000 159,486,000  103,259,000 103,859,000 88,327,000  106,456,000 102,679,000 86,880,000  92,039,000 88,225,000 86,027,000  94,436,000                                                   
        income tax payable
      18,771,000 16,336,000 23,726,000 22,902,000 19,600,000 22,730,000 3,506,000 9,145,000 13,283,000 10,459,000 29,892,000 27,004,000 33,876,000 19,682,000 49,985,000 40,253,000 45,603,000 29,682,000 35,525,000 17,316,000 15,203,000 19,177,000 5,235,000 6,064,000 15,642,000 16,156,000 25,404,000 16,769,000 21,452,000 15,744,000 14,145,000 16,920,000 21,041,000 18,216,000  265,000 6,282,000 11,855,000   2,680,000 5,117,000 9,106,000 7,187,000 8,047,000 8,381,000 3,777,000 1,241,000 1,178,000 1,206,000 1,322,000 1,456,000 5,547,000 678,000   2,397,000 4,855,000  6,014,000 13,917,000 15,412,000 3,919,000 3,059,000 3,388,000 2,641,000 3,484,000 4,374,000 1,553,000 358,000 4,936,000 6,418,000 3,346,000 3,570,000 3,433,000    1,470,000       
        current portion of long-term debt
      1,635,000 1,442,000 4,758,000 1,551,000 1,373,000 1,096,000 1,446,000 1,344,000 1,270,000 4,419,000 1,124,000 1,149,000 1,173,000 1,693,000 9,259,000 9,336,000 11,102,000 17,381,000 18,404,000 18,346,000 18,353,000 21,860,000 14,978,000 13,052,000 34,676,000 33,105,000 31,532,000 29,988,000 28,403,000 27,613,000 26,285,000 23,717,000 21,876,000 20,636,000 19,067,000 17,895,000 15,938,000 14,356,000 10,300,000 10,290,000 10,290,000 10,282,000                    418,000 384,000 373,000 375,000 373,000 372,000 363,000 348,000 1,339,000 1,347,000 1,365,000 1,363,000 2,494,000 2,802,000  1,870,000         
        total current liabilities
      411,366,000 378,340,000 383,796,000 373,633,000 356,902,000 375,596,000 352,783,000 360,955,000 377,279,000 393,498,000 414,907,000 412,956,000 390,346,000 432,530,000 511,541,000 499,977,000 463,493,000 471,034,000 444,625,000 460,205,000 432,838,000 509,762,000 321,533,000 325,335,000 264,117,000 285,322,000 297,704,000 275,411,000 256,143,000 254,024,000 261,870,000 237,705,000 240,383,000 247,162,000 225,192,000 217,041,000 187,866,000 185,373,000 172,606,000 180,102,000 173,105,000 179,663,000 187,623,000 173,444,000 155,550,000 149,271,000 168,543,000 167,912,000 148,360,000 156,916,000 183,336,000 176,080,000 158,916,000 113,518,000 133,337,000 113,979,000 110,004,000 109,711,000 118,178,000 273,275,000 255,089,000 251,365,000 125,694,000 114,041,000 344,917,000 396,310,000 300,898,000 290,658,000 65,375,000 86,928,000 111,625,000 124,716,000 85,039,000 72,267,000 83,492,000 80,316,000 75,136,000 68,615,000 54,081,000 52,340,000 44,202,000 41,877,000 42,515,000 43,456,000 40,679,000 
        long-term debt
      23,704,000 24,224,000 20,097,000 24,865,000 19,147,000 19,563,000 20,717,000 18,988,000 19,639,000 16,979,000 22,645,000 54,575,000 89,636,000 147,470,000 251,174,000 229,912,000 192,538,000 265,574,000 218,000,000 222,712,000 327,007,000 288,179,000 330,766,000 282,271,000 46,011,000 64,401,000 87,939,000 141,919,000 187,378,000 186,143,000 139,987,000 162,121,000 199,924,000 247,492,000 306,687,000 383,336,000 400,493,000 413,126,000 407,052,000 399,891,000 439,948,000 455,941,000 93,510,000 99,684,000 117,734,000 140,787,000 147,533,000 162,702,000 165,440,000 182,799,000 202,115,000 209,337,000 213,787,000  43,059,000 42,685,000 42,826,000  2,941,000 3,227,000 3,258,000  3,263,000 3,266,000 3,396,000           3,709,000 4,043,000         
        deferred tax liabilities
      4,859,000 6,145,000 11,223,000 14,347,000 6,092,000 6,953,000 11,600,000 9,532,000 10,509,000 13,662,000 12,982,000 13,550,000 13,012,000 12,903,000 30,095,000 31,541,000 32,432,000 32,230,000 34,729,000 34,761,000 34,561,000 34,598,000 14,445,000 16,244,000 16,348,000 16,333,000 18,661,000 19,048,000 18,003,000 17,993,000 26,308,000 26,322,000 26,321,000 25,176,000 28,617,000 28,587,000 28,225,000 28,213,000 32,219,000 32,207,000 32,275,000 32,276,000                                            
        unrecognized tax benefits
      23,629,000 23,454,000 24,646,000 24,646,000 24,646,000  34,035,000 34,035,000 34,035,000  31,595,000 31,594,000                                                                          
        operating lease liabilities
      37,368,000                                                                                     
        other long-term liabilities
      45,933,000 77,528,000 82,608,000 99,893,000 77,720,000 90,576,000 86,938,000 85,971,000 89,899,000 99,808,000 99,210,000 97,818,000 126,894,000 112,490,000 107,050,000 106,155,000 116,980,000 122,933,000 127,442,000 132,294,000 138,956,000 130,795,000 114,857,000 117,686,000 111,501,000 120,545,000 128,411,000 126,629,000 134,176,000 90,779,000 87,168,000 87,809,000 94,925,000 94,925,000 85,209,000 82,858,000 80,242,000 81,373,000 97,150,000 90,810,000 88,325,000 90,153,000 74,591,000 77,115,000 78,918,000 78,932,000 78,134,000 74,324,000 71,771,000 78,866,000 63,332,000 58,246,000 59,472,000 41,185,000 35,347,000 35,458,000 34,703,000 30,699,000 34,159,000 31,899,000 31,093,000 37,520,000 44,929,000 44,610,000 41,635,000 40,455,000 36,820,000 48,238,000 28,766,000 22,935,000 16,774,000 35,793,000 7,156,000             
        total liabilities
      546,859,000 509,691,000 522,370,000 537,384,000 484,507,000 517,334,000 506,073,000 509,481,000 531,361,000 557,982,000 581,339,000 610,493,000 619,888,000 705,393,000 899,860,000 867,585,000 805,443,000 891,771,000 824,796,000 849,972,000 933,362,000 963,334,000 781,601,000 741,536,000 437,977,000 486,601,000 532,715,000 563,007,000 595,700,000 548,939,000 515,333,000 513,957,000 561,553,000 614,755,000 645,705,000 711,822,000 696,826,000 708,085,000 709,027,000 703,010,000 733,653,000 758,033,000 355,724,000 350,243,000 352,202,000 368,990,000 394,210,000 404,938,000 385,571,000 418,581,000 448,783,000 443,663,000 432,175,000 199,623,000 212,604,000 193,047,000 188,535,000 144,349,000 156,430,000 309,635,000 290,742,000 293,658,000 312,005,000 296,302,000 522,080,000 570,974,000 484,271,000 501,474,000 478,507,000 512,363,000 530,254,000 562,899,000 329,226,000 320,544,000 327,972,000 89,854,000 84,706,000         
        commitments and contingencies
                                                                                           
        stockholders' equity
      1,889,406,000  1,889,154,000 1,877,103,000 1,801,218,000  1,811,584,000 1,774,355,000 1,748,590,000                                                                             
        preferred stock - par value 1.00 per share; 1,000 shares authorized; no shares issued or outstanding
                                                                                           
        common stock - par value 0.66 2/3 per share; 70,000 shares authorized; 55,948 and 55,883 issued; 45,940 and 45,875 outstanding, respectively
      37,303,000                                                                                     
        additional paid-in capital
      544,117,000 538,087,000 531,433,000 527,385,000 529,234,000 523,744,000 517,129,000 513,309,000 509,401,000 509,861,000 502,482,000 501,302,000 494,598,000 494,773,000 485,350,000 478,374,000 470,363,000 471,649,000 463,748,000 455,683,000 446,697,000 449,598,000 440,944,000 433,989,000 427,543,000 427,262,000 417,576,000 414,451,000 410,163,000 399,915,000 395,412,000 391,332,000 385,928,000 386,338,000 375,134,000 370,344,000 361,390,000 354,574,000 353,539,000 349,363,000 346,131,000 344,086,000 335,835,000 330,339,000 324,023,000 314,942,000 305,143,000 298,920,000 293,136,000 289,668,000 292,505,000 288,284,000 283,876,000 280,571,000 275,198,000 271,649,000 267,422,000 263,455,000 244,677,000 240,988,000 237,435,000 231,842,000 223,745,000 220,353,000 215,573,000 211,618,000 205,549,000 185,134,000 170,416,000 133,701,000 131,331,000 127,248,000 124,391,000 117,823,000 113,449,000 111,424,000 103,078,000 100,106,000 94,664,000 87,720,000 30,199,000 26,247,000 24,765,000 15,834,000 11,192,000 
        retained earnings
      1,800,400,000 1,785,439,000 1,775,237,000 1,760,959,000 1,714,861,000 1,719,298,000 1,711,057,000 1,697,312,000 1,689,312,000 1,675,274,000 1,649,982,000 1,601,262,000 1,519,242,000 1,448,092,000 1,356,041,000 1,269,655,000 1,189,500,000 1,116,809,000 1,051,296,000 982,872,000 927,498,000 888,046,000 858,311,000 831,159,000 810,126,000 789,958,000 742,768,000 704,708,000 668,424,000 636,708,000 607,189,000 576,280,000 551,213,000 532,687,000 563,338,000 548,887,000 535,708,000 530,215,000 528,947,000 518,299,000 512,547,000 514,280,000 519,053,000 516,216,000 501,138,000 490,006,000 473,342,000 453,915,000 436,530,000 426,328,000 420,124,000 406,505,000 397,870,000 399,796,000 395,721,000 387,168,000 380,515,000 375,644,000 372,529,000 362,572,000 344,591,000 324,907,000 300,941,000 279,779,000 263,132,000 248,174,000 235,114,000 228,094,000 231,048,000 259,479,000 244,868,000 247,814,000 234,706,000 173,856,000 162,802,000 148,126,000 135,356,000 123,971,000 114,659,000 104,619,000 96,235,000 88,570,000 81,330,000 74,000,000 55,779,000 
        treasury stock
      -372,109,000 -371,914,000 -348,104,000 -348,104,000 -338,100,000 -338,100,000 -338,100,000 -338,052,000 -337,986,000 -337,986,000 -337,986,000 -337,670,000 -337,490,000 -337,490,000 -337,490,000 -337,112,000 -336,894,000 -336,894,000 -336,894,000 -336,128,000 -335,910,000 -335,910,000 -39,205,000 -38,660,000 -38,457,000 -37,768,000 -37,768,000 -37,768,000 -37,768,000 -37,768,000 -37,768,000 -37,768,000 -37,768,000 -37,768,000 -29,023,000 -29,023,000 -29,023,000 -29,023,000 -11,009,000 -11,009,000 -11,009,000 -11,009,000                                      -1,782,000 1,782,000 1,782,000  1,782,000  
        accumulated other comprehensive loss
      -120,305,000 -110,747,000 -106,669,000 -100,279,000 -141,902,000 -146,724,000 -115,584,000 -135,172,000 -149,073,000 -143,227,000 -161,633,000 -139,104,000 -117,546,000 -128,233,000 -144,480,000 -93,974,000 -61,804,000 -50,517,000 -58,281,000 -55,841,000 -71,624,000 -73,606,000 -97,105,000 -118,492,000 -109,472,000 -108,139,000 -127,705,000 -112,225,000 -106,848,000 -101,846,000 -91,598,000 -81,633,000 -64,841,000 -83,480,000 -89,707,000 -97,001,000 -101,841,000 -112,666,000 -105,735,000 -97,352,000 -81,612,000 -84,416,000 -77,564,000 -67,118,000 -76,873,000 -68,402,000 -58,847,000 -45,070,000 -46,966,000 -44,374,000 -32,807,000 -41,070,000 -42,870,000 -33,856,000 -34,072,000 -39,320,000 -34,789,000 -35,762,000 -44,333,000 -33,718,000 -33,042,000 -45,080,000 -55,930,000 -65,094,000 -59,084,000 -48,311,000 -48,788,000 -58,085,000 -56,536,000         -716,000 688,000    -575,000 261,000 241,000 
        noncontrolling interest
      61,463,000 60,285,000 58,267,000 57,068,000 70,616,000 73,646,000 71,725,000 77,221,000 76,221,000 68,936,000 69,221,000 68,098,000 70,208,000 69,274,000 66,782,000 64,140,000 62,516,000 65,482,000 61,050,000 60,413,000 54,411,000 52,303,000 52,478,000 52,242,000 57,260,000 46,359,000 47,245,000 47,183,000 48,623,000 45,969,000 44,783,000 40,400,000 41,256,000 42,414,000 41,641,000 40,837,000 44,939,000 44,448,000 44,815,000 47,929,000 47,711,000 47,652,000 47,751,000 43,342,000 42,563,000 41,892,000 42,675,000 41,645,000 41,179,000 40,935,000 42,422,000 43,307,000 42,904,000 43,255,000 43,049,000 16,700,000 15,654,000 14,955,000 14,020,000 13,271,000 12,028,000 11,448,000 12,049,000 11,842,000 10,939,000 10,290,000 9,462,000 8,641,000 8,055,000                 
        total equity
      1,950,869,000 1,938,409,000 1,947,421,000 1,934,171,000 1,871,834,000 1,868,947,000 1,883,309,000 1,851,576,000 1,824,811,000 1,809,677,000 1,758,883,000 1,730,578,000 1,665,673,000 1,582,919,000 1,462,704,000 1,417,459,000 1,360,019,000 1,302,724,000 1,217,113,000 1,142,997,000 1,056,980,000 1,016,123,000 1,251,051,000 1,195,627,000 1,182,289,000 1,152,783,000 1,077,098,000 1,051,152,000 1,017,298,000 977,432,000 952,451,000 922,815,000 909,809,000 873,918,000 894,884,000 867,307,000 844,179,000 820,467,000 843,413,000 839,856,000 846,280,000 842,997,000 857,469,000 854,941,000 822,828,000 810,167,000 794,030,000 780,797,000 755,033,000 743,677,000 753,337,000 727,911,000 712,463,000 720,440,000 710,563,000 666,746,000 659,273,000 648,715,000 617,299,000 613,429,000 591,056,000 552,892,000 510,379,000 476,389,000 459,788,000 450,924,000 430,343,000 392,075,000 380,580,000                 
        total liabilities and stockholders' equity
      2,497,728,000 2,448,100,000 2,469,791,000 2,471,555,000 2,356,341,000 2,386,281,000 2,389,382,000 2,361,057,000 2,356,172,000 2,367,659,000 2,340,222,000 2,341,071,000 2,285,561,000 2,288,312,000 2,362,564,000 2,285,044,000 2,165,462,000 2,194,495,000 2,041,909,000 1,992,969,000 1,990,342,000 1,979,457,000 2,032,652,000 1,937,163,000 1,620,266,000 1,639,384,000 1,609,813,000 1,614,159,000 1,612,998,000 1,526,371,000 1,467,784,000 1,436,772,000 1,471,362,000 1,488,673,000 1,540,589,000 1,579,129,000 1,541,005,000 1,528,552,000 1,552,440,000 1,542,866,000 1,579,933,000 1,601,030,000 1,213,193,000                               629,774,000 622,139,000 366,870,000 339,947,000 318,958,000 289,515,000 264,567,000   167,801,000   
        the accompanying notes are an integral part of these condensed consolidated financial statements.
                                                                                           
        deferred income tax
       59,297,000    51,974,000    51,620,000 35,788,000 35,354,000 36,185,000 35,308,000 17,718,000 20,189,000 21,755,000 21,256,000 52,436,000 52,249,000 51,820,000 57,841,000 23,566,000 18,113,000 16,994,000 17,516,000 28,975,000 28,751,000 31,830,000 31,652,000 44,000,000 39,811,000 41,157,000 40,580,000 64,129,000 62,114,000 61,559,000 56,047,000 50,702,000                                               
        preferred stock - par value 1.00 per share; 1,000,000 shares authorized; no shares issued or outstanding
                                                                                           
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; and 45,875,799 shares and 46,332,891 shares issued and outstanding at december 31, 2025 and december 31, 2024, respectively
       37,259,000                                                                                    
        total stockholders' equity
       1,878,124,000    1,795,301,000    1,740,741,000 1,689,662,000 1,662,480,000 1,595,465,000 1,513,645,000 1,395,922,000 1,353,319,000 1,297,503,000 1,237,242,000 1,156,063,000 1,082,584,000 1,002,569,000 963,820,000 1,198,573,000 1,143,385,000 1,125,029,000 1,106,424,000 1,029,853,000 1,003,969,000 968,675,000 931,463,000 907,668,000 882,415,000 868,553,000 831,504,000 853,243,000 826,470,000 799,240,000 776,019,000 798,598,000 791,927,000 798,569,000 795,345,000 809,718,000                               309,230,000 294,167,000 277,016,000 255,241,000 240,368,000 225,474,000 201,933,000   112,148,000   
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; and 46,383,277 shares and 46,332,891 shares issued and outstanding at september 30, 2025 and december 31, 2024, respectively
        37,257,000                                                                                   
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; and 46,211,196 shares and 46,332,891 shares issued and outstanding at june 30, 2025 and december 31, 2024, respectively
         37,142,000                                                                                  
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; and 46,395,345 shares and 46,332,891 shares issued and outstanding at march 31, 2025 and december 31, 2024, respectively
          37,125,000                                                                                 
        unrecognized tax liabilities
           24,646,000    34,035,000                                                                            
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; and 46,332,891 shares and 45,938,382 shares issued and outstanding at december 31, 2024 and december 31, 2023, respectively
           37,083,000                                                                                
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; and 46,330,932 shares and 45,938,383 shares issued and outstanding at september 30, 2024 and december 31, 2023, respectively
            37,082,000                                                                               
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; and 46,146,009 shares and 45,938,383 shares issued and outstanding at june 30, 2024 and december 31, 2023, respectively
             36,958,000                                                                              
        property, plant and equipment
              723,478,000 746,169,000 736,126,000 748,115,000 755,707,000 736,730,000 698,452,000 671,654,000 589,915,000 582,079,000 540,520,000 522,182,000 510,467,000 530,815,000 453,487,000 450,615,000 456,122,000 469,574,000 468,122,000 470,690,000 441,215,000 446,835,000 454,086,000 460,237,000 469,654,000 459,169,000 446,052,000 427,068,000 405,247,000 401,988,000 415,618,000 425,177,000 431,192,000 439,340,000 371,036,000 341,538,000 325,278,000 309,931,000 312,176,000 312,542,000 315,817,000 322,013,000 328,802,000 331,287,000 338,173,000 243,296,000 246,578,000 226,943,000 227,328,000 225,393,000 231,863,000 229,793,000 207,336,000 200,745,000 199,098,000 184,243,000 173,979,000 162,988,000 163,521,000 169,019,000 168,432,000 174,667,000 183,203,000 183,415,000 129,834,000 101,552,000 95,469,000    68,930,000    60,857,000  47,893,000 
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; and 46,114,753 shares and 45,938,383 shares issued and outstanding at march 31, 2024 and december 31, 2023, respectively
              36,936,000                                                                             
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; and 45,938,382 shares and 45,469,722 shares issued and outstanding at december 31, 2023 and december 31, 2022, respectively
               36,819,000                                                                            
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; and 45,936,090 shares and 45,469,722 shares issued and outstanding at september 30, 2023 and december 31, 2022, respectively
                36,817,000                                                                           
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; and 45,748,940 shares and 45,469,722 shares issued and outstanding at june 30, 2023 and december 31, 2022, respectively
                 36,690,000                                                                          
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; and 45,706,798 shares and 45,469,722 shares issued and outstanding at march 31, 2023 and december 31, 2022, respectively
                  36,661,000                                                                         
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; and 45,469,722 shares and 45,017,774 shares issued and outstanding at december 31, 2022 and december 31, 2021, respectively
                   36,503,000                                                                        
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; and 45,468,133 shares and 45,017,774 shares issued and outstanding at september 30, 2022 and december 31, 2021, respectively
                    36,501,000                                                                       
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; and 45,288,669 shares and 45,017,774 shares issued and outstanding at june 30, 2022 and december 31, 2021, respectively
                     36,376,000                                                                      
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; and 45,231,793 shares and 45,017,774 shares issued and outstanding at march 31, 2022 and december 31, 2021, respectively
                      36,338,000                                                                     
        prepaid expenses and other current assets
                       107,194,000    70,193,000    49,950,000    42,446,000                                              7,104,000 6,216,000 5,978,000  4,373,000 4,160,000 3,802,000  1,750,000  
        line of credit
                       18,068,000    140,563,000 70,746,000 63,668,000 13,397,000 13,342,000 17,086,000 15,454,000 12,330,000 10,254,000 12,283,000 4,268,000 4,466,000 1,008,000                                     18,217,000 16,520,000 2,434,000    4,861,000 4,712,000 3,000,000   4,135,000 6,167,000 6,518,000 8,488,000 
        accrued liabilities
                       184,649,000    160,117,000    100,571,000    82,605,000    99,301,000  88,543,000 74,866,000 71,562,000 71,758,000 76,533,000 72,706,000 77,801,000 91,868,000 76,957,000 62,513,000 60,436,000 65,390,000 63,134,000 53,156,000 60,684,000 69,893,000 63,070,000 57,565,000 41,139,000 39,116,000 35,662,000 30,175,000 30,793,000 34,694,000 42,197,000 36,154,000 36,937,000 46,337,000 41,053,000 35,294,000 31,151,000 32,241,000 26,294,000 28,286,000 31,195,000 35,200,000 41,541,000 26,017,000 19,455,000 24,967,000 27,756,000 24,000,000 21,635,000 18,312,000 14,038,000 12,730,000 8,942,000 11,459,000 11,225,000 8,715,000 
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 45,017,774 and 44,276,194, issued and outstanding at december 31, 2021 and 2020, respectively
                       36,195,000                                                                    
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; and 45,015,853 shares and 44,276,194 shares issued and outstanding at september 30, 2021 and december 31, 2020, respectively
                        36,194,000                                                                   
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 44,730,897 and 44,276,194, issued and outstanding at june 30, 2021 and december 31, 2020, respectively
                         35,998,000                                                                  
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 44,600,001 and 44,276,194, issued and outstanding at march 31, 2021 and december 31, 2020, respectively
                          35,908,000                                                                 
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 44,276,194 and 51,206,969, issued and outstanding at december 31, 2020 and 2019, respectively
                           35,692,000                                                                
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 51,945,299 and 51,206,969, issued and outstanding at september 30, 2020 and december 31, 2019, respectively
                            35,628,000                                                               
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 51,598,528 and 51,206,969, issued and outstanding at june 30, 2020 and december 31, 2019, respectively
                             35,389,000                                                              
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 51,450,808 and 51,206,969, issued and outstanding at march 31, 2020 and december 31, 2019, respectively
                              35,289,000                                                             
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 51,206,969 and 50,221,035, issued and outstanding at december 31, 2019 and 2018, respectively
                               35,111,000                                                            
        assets held for sale
                                4,947,000 4,947,000                                                          
        other
                                86,215,000 89,257,000 89,788,000  46,732,000 38,414,000 38,428,000 35,968,000 34,269,000 33,528,000 33,711,000 33,447,000 34,715,000 34,628,000 34,123,000  24,580,000 26,281,000 23,270,000 23,614,000 24,804,000 26,705,000 22,962,000 23,638,000 24,205,000 22,890,000 17,597,000 16,842,000 13,400,000 28,861,000 22,638,000 21,995,000 17,667,000 5,624,000 6,277,000 5,760,000 5,836,000 5,375,000 5,450,000 5,324,000 4,854,000 4,949,000 5,964,000 6,627,000 7,435,000 7,718,000 7,550,000 6,778,000 6,697,000 2,906,000 2,829,000 2,854,000 425,000 380,000 323,000 336,000 1,798,000 1,636,000 1,163,000 
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 51,012,794 and 50,221,035, issued and outstanding at september 30, 2019 and december 31, 2018, respectively
                                34,982,000                                                           
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 50,744,888 and 50,221,035, issued and outstanding at june 30, 2019 and december 31, 2018, respectively
                                 34,803,000                                                          
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 50,596,756 and 50,221,035, issued and outstanding at march 31, 2019 and december 31, 2018, respectively
                                  34,704,000                                                         
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 50,221,035 and 49,130,090, issued and outstanding at december 31, 2018 and december 31, 2017, respectively
                                   34,454,000                                                        
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 50,190,959 and 49,130,090, issued and outstanding at september 30, 2018 and december 31, 2017, respectively
                                    34,433,000                                                       
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 49,846,164 and 49,130,090, issued and outstanding at june 30, 2018 and december 31, 2017, respectively
                                     34,204,000                                                      
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 49,571,038 and 49,130,090, issued and outstanding at march 31, 2018 and december 31, 2017, respectively
                                      34,021,000                                                     
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 49,130,090 and 48,219,376, issued and outstanding at december 31, 2017 and december 31, 2016, respectively
                                       33,727,000                                                    
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 49091693 and 48,219,376, issued and outstanding at september 30, 2017 and december 31, 2016, respectively
                                        33,501,000                                                   
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 48,734,340 and 48,219,376, issued and outstanding at june 30, 2017 and december 31, 2016, respectively
                                         33,263,000                                                  
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 48,348,953 and 48,219,376, issued and outstanding at march 31, 2017 and december 31, 2016, respectively
                                          33,006,000                                                 
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 48,219,376 and 48,148,077, issued and outstanding at december 31, 2016 and december 31, 2015, respectively
                                           32,919,000                                                
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 48,816,264 and 48,148,077, issued and outstanding at september 30, 2016 and december 31, 2015, respectively
                                            32,856,000                                               
        deferred income tax, non-current
                                             47,919,000 44,892,000  32,259,000                                           
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 48,470,103 and 48,148,077, issued and outstanding at june 30, 2016 and december 31, 2015, respectively
                                             32,626,000                                              
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 48,300,695 and 48,148,077, issued and outstanding at march 31, 2016 and december 31, 2015, respectively
                                              32,512,000                                             
        current assets
                                                                                           
        deferred income assets
                                               45,120,000                                            
        other assets
                                               36,697,000                                            
        current liabilities
                                                                                           
        lines of credit and short-term debt
                                                261,000 979,000 973,000 1,064,000    5,814,000    7,629,000    8,000,000      1,555,000 239,930,000 299,414,000 207,149,000                   
        commitments and contingencies -
                                                                                           
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 48,614,087 and 47,591,092 issued at december 31, 2015 and 2014, respectively
                                               32,404,000                                            
        deferred income taxes, current
                                                11,193,000 11,317,000 11,301,000 11,295,000 9,828,000 9,823,000 9,684,000 10,513,000 11,508,000 12,305,000 11,566,000 9,995,000 6,217,000 6,006,000 5,358,000 5,450,000 8,488,000 8,200,000 8,102,000 8,276,000 9,257,000 9,325,000 8,294,000 7,834,000 8,542,000 6,958,000 7,810,000 3,994,000 7,060,000 6,620,000 5,968,000 3,573,000 4,650,000 2,565,000 3,432,000 5,301,000 2,541,000 2,434,000 2,375,000 2,419,000 2,453,000 5,704,000 5,547,000 
        property, plant and equipment, at cost
                                                835,721,000                                           
        accumulated depreciation
                                                -464,685,000                                           
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 48,588,184 and 47,591,092 issued and outstanding at september 30, 2015 and december 31, 2014, respectively
                                                32,394,000                                           
        deferred income taxes, non-current
                                                 32,474,000 32,556,000 32,550,000 24,597,000 22,360,000 22,278,000 28,237,000 32,234,000 31,959,000 31,956,000 36,819,000 26,863,000 26,863,000 26,863,000 26,863,000 1,812,000 1,534,000 1,380,000 1,574,000 10,360,000 8,596,000 7,418,000  18,189,000 18,520,000 16,982,000 2,745,000 24,811,000 17,626,000 9,819,000 7,104,000 5,428,000    8,466,000  7,309,000 7,689,000 7,970,000 654,000 1,816,000 
        equity
                                                                                           
        diodes incorporated stockholders' equity
                                                                                           
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 48,241,281 and 47,591,092 issued and outstanding at june 30, 2015 and december 31, 2014, respectively
                                                 32,162,000                                          
        total diodes incorporated stockholders' equity
                                                 811,599,000 780,265,000 768,275,000 751,355,000 739,152,000                                      
        total liabilities and equity
                                                 1,205,184,000 1,175,030,000 1,179,157,000 1,188,240,000 1,185,735,000 1,140,604,000 1,162,258,000 1,202,120,000 1,171,574,000 1,144,638,000 920,063,000 923,167,000 859,793,000 847,808,000 793,064,000 773,729,000 923,064,000 881,798,000 846,550,000 822,384,000 772,691,000 981,868,000 1,021,898,000 914,614,000 893,549,000 859,087,000                 
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 47,963,677 and 47,591,092 issued and outstanding at march 31, 2015 and december 31, 2014, respectively
                                                  31,977,000                                         
        december 31,
                                                   2,014,000        2,012,000    2,011,000    2,010,000    2,009,000    2,008,000     2,006    2,005    2,004  2,003 
        liabilities and equity
                                                                                           
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 47,591,092 and 46,680,973 issued and outstanding at december 31, 2014 and 2013, respectively
                                                   31,729,000                                        
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 47,572,500 and 46,680,973 issued and outstanding at september 30, 2014 and december 31, 2013, respectively
                                                    31,717,000                                       
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 47,078,198 and 46,680,973 issued and outstanding at june 30, 2014 and december 31, 2013, respectively
                                                     31,387,000                                      
        diodes incorporated stockholders’ equity
                                                                                           
        preferred stock—par value 1.00 per share; 1,000,000 shares authorized; no shares issued or outstanding
                                                                                           
        common stock—par value 0.66 2/3 per share; 70,000,000 shares authorized; 46,728,209 and 46,680,973 issued and outstanding at march 31, 2014 and december 31, 2013, respectively
                                                      31,154,000                                     
        total diodes incorporated stockholders’ equity
                                                      713,854,000 702,742,000 710,915,000 684,604,000 669,559,000 677,185,000 667,514,000 650,046,000 643,619,000 633,760,000 603,279,000 600,158,000 579,028,000 541,444,000 498,330,000 464,547,000 448,849,000 440,634,000 420,881,000 383,434,000 372,525,000                 
        (amounts in thousands, except share data) december 31,
                                                       2,013,000                                    
        common stock—par value 0.66 2/3 per share; 70,000,000 shares authorized; 46,680,973 and 46,010,815 issued and outstanding at december 31, 2013 and 2012, respectively
                                                       31,120,000                                    
        common stock—par value 0.66 2/3 per share; 70,000,000 shares authorized; 46,639,997 and 46,010,815 issued and outstanding at september 30, 2013 and december 31, 2012, respectively
                                                        31,093,000                                   
        common stock—par value 0.66 2/3 per share; 70,000,000 shares authorized; 46,327,031 and 46,010,815 issued and outstanding at june 30, 2013 and december 31, 2012, respectively
                                                         30,885,000                                  
        preferred stock – par value 1.00 per share; 1,000,000 shares authorized; no shares issued or outstanding
                                                                                           
        common stock – par value 0.66 2/3 per share; 70,000,000 shares authorized; 46,023,965 and 46,010,815 issued and outstanding at march 31, 2013 and december 31, 2012, respectively
                                                          30,683,000                                 
        long-term borrowings
                                                           44,131,000    2,857,000    3,393,000    3,464,000 3,540,000 3,563,000 216,111,000 217,146,000 169,723,000 170,038,000              
        capital lease obligations, net of current portion
                                                           789,000 861,000 925,000 1,002,000 1,082,000 1,152,000 1,234,000 1,302,000 1,380,000 1,441,000 1,477,000 1,548,000 1,669,000 1,726,000 1,808,000 1,776,000 1,854,000 2,132,000 2,352,000 1,278,000 1,426,000 1,477,000 1,508,000 1,538,000 1,568,000 1,618,000 1,648,000 1,678,000 1,707,000 2,172,000 2,206,000 2,334,000 
        common stock—par value 0.666 2/3 per share; 70,000,000 shares authorized; 46,010,815 and 45,432,252 issued and outstanding at december 31, 2012 and december 31, 2011, respectively
                                                           30,674,000                                
        common stock—par value 0.66 2/3 per share; 70,000,000 shares authorized; 45,998,878 and 45,432,252 issued and outstanding at september 30, 2012 and december 31, 2011, respectively
                                                            30,667,000                               
        common stock—par value 0.66 2/3 per share; 70,000,000 shares authorized; 45,821,854 and 45,432,252 issued and outstanding at june 30, 2012 and december 31, 2011, respectively
                                                             30,549,000                              
        common stock—par value 0.66 2/3 per share; 70,000,000 shares authorized; 45,503,469 and 45,432,252 issued and outstanding at march 31, 2012 and december 31, 2011, respectively
                                                              30,471,000                             
        convertible senior notes
                                                                236,000 132,272,000 130,245,000 128,261,000 126,318,000 124,312,000 123,166,000 121,333,000 123,098,000 138,687,000                  
        common stock—par value 0.666 2/3 per share; 70,000,000 shares authorized; 45,432,252 and 44,662,796 issued and outstanding at december 31, 2011 and december 31, 2010, respectively
                                                               30,423,000                            
        other current liabilities
                                                                694,000 718,000 704,000                         
        preferred stock — par value 1.00 per share; 1,000,000 shares authorized; no shares issued or outstanding
                                                                                           
        common stock — par value 0.66 2/3 per share; 70,000,000 shares authorized; 45,606,464 and 44,662,796 issued and outstanding at september 30, 2011 and december 31, 2010, respectively
                                                                30,406,000                           
        common stock — par value 0.66 2/3 per share; 70,000,000 shares authorized; 45,474,579 and 44,662,796 issued and outstanding at june 30, 2011 and december 31, 2010, respectively
                                                                 30,316,000                          
        common stock — par value 0.66 2/3 per share; 70,000,000 shares authorized; 45,065,250 and 44,662,796 issued and outstanding at march 31, 2011 and december 31, 2010, respectively
                                                                  30,044,000                         
        current portion of capital lease obligations
                                                                   280,000 288,000 281,000 279,000 283,000 313,000 349,000 350,000 377,000 432,000 449,000 146,000 142,000 141,000  139,000 139,000 138,000 137,000 136,000 135,000 165,000 164,000 161,000 
        deferred income taxes, non current
                                                                       7,743,000          11,043,000 7,540,000 7,547,000  6,459,000      
        common stock — par value 0.66 2/3 per share; 70,000,000 shares authorized; 44,662,796 and 43,729,304 issued and outstanding at december 31, 2010 and december 31, 2009, respectively
                                                                   29,775,000                        
        common stock — par value 0.66 2/3 per share; 70,000,000 shares authorized; 44,360,466 and 43,729,304 issued and outstanding at september 30, 2010 and december 31, 2009, respectively
                                                                    29,574,000                       
        common stock — par value 0.66 2/3 per share; 70,000,000 shares authorized; 44,263,625 and 43,729,304 issued and outstanding at june 30, 2010 and december 31, 2009, respectively
                                                                     29,509,000                      
        common stock — par value 0.66 2/3 per share; 70,000,000 shares authorized; 43,841,730 and 43,729,304 issued and outstanding at march 31, 2010 and december 31, 2009, respectively
                                                                      29,228,000                     
        long-term investments
                                                                                           
        preferred stock — par value 1.00 per share; 1,000,000 shares authorized;
                                                                                           
        common stock — par value 0.66 2/3 per share; 70,000,000 shares authorized; 41,378,816 and 43,729,304 issued and outstanding at december 31, 2008 and december 31, 2009, respectively
                                                                       29,153,000                    
        short-term investment securities
                                                                        311,900,000 319,825,000                  
        long-term investment securities
                                                                          320,625,000 320,625,000                
        common stock — par value 0.66 2/3 per share; 70,000,000 shares authorized; 41,378,816 and 43,508,314 issued and outstanding at december 31, 2008 and september 30, 2009, respectively
                                                                        29,006,000                   
        common stock — par value 0.66 2/3 per share; 70,000,000 shares authorized; 41,378,816 and 42,436,009 issued and outstanding at december 31, 2008 and june 30, 2009, respectively
                                                                         28,291,000                  
        2.25% convertible senior notes due 2026
                                                                          149,497,000 183,500,000 230,000,000 230,000,000 230,000,000 230,000,000 230,000,000           
        common stock — par value 0.66 2/3 per share; 70,000,000 shares authorized; 41,378,816 and 41,395,815 issued and outstanding at december 31, 2008 and march 31, 2009, respectively
                                                                          27,597,000                 
        liabilities and stockholders’ equity
                                                                                           
        minority interest in consolidated subsidiaries
                                                                           9,453,000                
        stockholders’ equity
                                                                                           
        common stock — par value 0.66 2/3 per share; 70,000,000 shares authorized; 40,172,491 and 41,378,816 issued and outstanding at december 31, 2007 and december 31, 2008, respectively
                                                                           27,586,000                
        accumulated other comprehensive gain
                                                                           -48,439,000   -7,534,000 162,000 608,000     -646,000  -597,000    
        total stockholders’ equity
                                                                           372,327,000 369,107,000 383,230,000 378,445,000        132,993,000 120,977,000  94,562,000  
        total liabilities and stockholders’ equity
                                                                           894,143,000 908,463,000 954,577,000 715,443,000        186,380,000 172,685,000  151,721,000 123,795,000 
        total cash and short-term investments
                                                                            82,679,000 86,132,000 61,243,000 335,317,000 339,896,000 109,296,000 100,332,000 99,477,000 113,636,000 104,215,000      
        long-term investment, available-for-sale securities
                                                                            284,818,000 294,653,000 302,627,000             
        minority interest in joint ventures
                                                                            9,102,000 8,448,000 7,772,000             
        contingencies and commitments
                                                                                           
        common stock — par value 0.66 2/3 per share; 70,000,000 shares authorized; 40,172,491 and 41,042,237 issued and outstanding at december 31, 2007 and september 30, 2008, respectively
                                                                            27,361,000               
        accumulated other comprehensive income
                                                                            -34,453,000 -19,058,000         -803,000     
        common stock — par value 0.66 2/3 per share; 70,000,000 shares authorized; 40,172,491 and 40,838,821 issued and outstanding at december 31, 2007 and june 30, 2008, respectively
                                                                             27,226,000              
        trade customers
                                                                              83,478,000 76,871,000 72,175,000    48,348,000    38,682,000   
        related parties
                                                                              4,528,000 6,210,000 6,147,000 5,554,000 5,590,000 6,107,000 6,804,000 5,282,000 4,599,000 4,522,000 5,526,000 4,951,000 3,938,000 
        accounts receivable - sum
                                                                              88,006,000 83,081,000 78,322,000 75,603,000 63,475,000 60,718,000 55,152,000 49,394,000 48,381,000 44,832,000 44,208,000 41,731,000 30,948,000 
        allowance for doubtful accounts
                                                                              -549,000 -660,000 -617,000    -534,000    -432,000  -375,000 
        trade
                                                                              39,032,000 34,298,000 40,029,000 37,250,000 32,656,000 29,047,000 18,619,000 21,467,000 18,374,000 15,940,000 17,274,000 18,190,000 14,029,000 
        common stock — par value 0.66 2/3 per share; 70,000,000 shares authorized; 40,172,491 and 40,322,547 issued and outstanding at december 31, 2007 and march 31, 2008, respectively
                                                                              26,882,000             
        others
                                                                               6,717,000 7,115,000    4,621,000    1,014,000  3,333,000 
        other long term liabilities
                                                                               4,932,000 1,101,000           
        minority interest
                                                                               5,202,000            
        preferred stock - par value 1.00 per share;
                                                                                           
        1,000,000 shares authorized; no shares issued or outstanding
                                                                                           
        common stock - par value 0.66 2/3 per share;
                                                                                           
        70,000,000 shares authorized; 25,961,267 and 26,082,860
                                                                                           
        issued at december 31, 2006 and march 31, 2007, respectively
                                                                               17,389,000            
        equity investment
                                                                                    5,872,000       
        liabilities and stockholders' equity
                                                                                           
        minority interest in joint venture
                                                                                4,787,000 4,321,000 3,989,000 3,728,000  3,935,000 3,630,000 3,372,000 3,133,000 2,789,000 2,582,000 
        common stock - par value 0.66 2/3 per share; 70,000,000 shares authorized; 25,258,119 and 25,961,267 issued at 2005 and 2006, respectively
                                                                                17,308,000           
        customers
                                                                                 70,049,000 57,885,000 54,611,000  44,112,000 43,782,000 40,310,000  36,780,000 27,010,000 
        less: allowance for doubtful receivables
                                                                                 -675,000 -670,000 -568,000  -475,000 464,000 451,000  391,000  
        property, plant and equipment, at cost, net of accumulated depreciation and amortization
                                                                                 89,168,000  76,391,000        
        long-term debt, current portion
                                                                                 1,954,000          
        capital lease obligations, current portion
                                                                                 141,000          
        1,000,000 shares authorized;
                                                                                           
        no shares issued and outstanding
                                                                                           
        70,000,000 shares authorized; 25,258,119 and 25,930,914
                                                                                           
        shares issued at december 31, 2005
                                                                                           
        and september 30, 2006, respectively
                                                                                 17,288,000          
        less: accumulated other comprehensive gain
                                                                                 178,000          
        cash and equivalents
                                                                                  48,915,000 53,671,000  74,213,000      
        of accumulated depreciation and amortization
                                                                                  88,988,000   64,880,000 63,005,000 59,443,000  56,722,000  
        30,000,000 shares authorized; 25,258,119 and 25,541,588
                                                                                           
        and june 30, 2006, respectively
                                                                                  17,059,000         
        stockholders' equity - sum
                                                                                  255,493,000 241,084,000        
        less: accumulated other comprehensive loss
                                                                                  -252,000         
        related party
                                                                                     1,875,000 2,500,000 2,500,000 2,500,000 2,500,000 2,500,000 
        class a convertible preferred stock - par value 1.00 per share; 1,000,000 shares authorized; no shares issued and outstanding
                                                                                           
        common stock - par value 0.66 2/3 per share; 30,000,000 shares authorized; 25,258,119 and 25,516,788 shares issued at december 31, 2005 and march 31, 2006, respectively
                                                                                   17,007,000        
        less:
                                                                                           
        prepaid income taxes
                                                                                     1,397,000 883,000 376,000 406,000 716,000 446,000 
        minority interest in joint verture
                                                                                    3,477,000       
        class a convertible preferred stock -
                                                                                           
        par value 1.00 per share; 1,000,000
                                                                                           
        shares authorized; no shares issued and outstanding
                                                                                           
        30,000,000 shares authorized; 23,644,901 and 25,258,119 shares
                                                                                           
        issued at 2004 and 2005, respectively
                                                                                    16,839,000       
        common stock
                                                                                        1,782,000  1,782,000 
        less: - sum
                                                                                    688,000 -2,428,000 979,000 1,185,000 1,207,000 2,043,000 2,023,000 
        30,000,000 shares authorized; 15,763,266 and 18,032,382
                                                                                           
        shares issued at december 31, 2004
                                                                                           
        and september 30, 2005, respectively
                                                                                     12,022,000      
        no shares issued and outstanding - sum
                                                                                     204,361,000      
        class a convertible preferred stock - par value 1.00 per share;
                                                                                           
        30,000,000 shares authorized; 15,763,266 and 16,185,552
                                                                                           
        and june 30, 2005, respectively
                                                                                      7,538,000     
        30,000,000 shares authorized; 15,763,266 and 15,892,591
                                                                                           
        and march 31, 2005, respectively
                                                                                       7,345,000    
        cash
                                                                                        18,970,000  12,847,000 
        30,000,000 shares authorized; 14,627,284 and 15,763,266 shares
                                                                                           
        issued at 2003 and 2004, respectively
                                                                                        7,260,000   
        class a convertible preferred stock - - sum
                                                                                        113,355,000   
        30,000,000 shares authorized; 14,627,284 and 15,036,980
                                                                                           
        shares issued at december 31, 2003
                                                                                           
        and september 30, 2004, respectively
                                                                                         6,771,000  
        stockholders’ equity - sum
                                                                                         96,605,000 73,473,000 
        class a convertible preferred stock —
                                                                                           
        common stock — par value 0.66 2/3 per share;
                                                                                           
        30,000,000 shares authorized; 13,939,146 and 14,627,284 shares
                                                                                           
        issued at 2002 and 2003, respectively
                                                                                          6,502,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-06-30 2023-03-31 2022-12-31 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 
                                                                                            
          cash flows from operating activities
                                    35,547,000 34,422,000 53,959,000  40,903,000 19,811,000 45,626,000  33,075,000 16,407,000 25,453,000  45,502,000 14,383,000 38,568,000  27,259,000 33,948,000 46,118,000  16,661,000 29,845,000 31,328,000  17,595,000 16,824,000 13,447,000  16,971,000 32,352,000 15,730,000                          
          net income
        16,102,000 12,320,000 15,477,000 44,160,000 -2,787,000 10,229,000 15,183,000 10,161,000 15,269,000 25,107,000 155,708,000 71,977,000 93,358,000 156,923,000 74,173,000 66,309,000 70,800,000 58,626,000 40,553,000 30,055,000 27,386,000 21,388,000 20,400,000 47,554,000                                    24,965,000 22,069,000 17,550,000 15,680,000 15,040,000 7,839,000 -2,265,000 -10,766,000 14,611,000 -2,947,000 13,108,000 14,203,000 18,299,000 16,100,000 12,249,000 13,009,000 14,676,000 12,770,000 11,385,000 9,312,000 10,040,000 8,384,000 7,665,000 7,240,000 7,330,000 
          adjustments to reconcile net income to net cash flows from operating activities, net of effects of acquisitions
                                                                                            
          depreciation
        31,257,000 30,546,000 30,849,000 30,045,000 30,080,000 29,875,000 29,801,000 29,930,000 31,031,000 30,828,000 60,211,000 29,793,000 30,527,000 52,047,000 24,729,000 26,488,000 26,626,000 26,665,000 26,440,000 23,579,000 22,483,000 22,876,000 22,809,000                                     12,913,000 11,990,000 11,522,000 10,940,000 10,908,000 10,814,000 10,599,000 10,186,000 10,643,000 10,833,000 9,021,000 7,444,000              
          amortization of intangible assets
        3,944,000 4,714,000 5,850,000 5,839,000 5,824,000 5,002,000 3,833,000 3,854,000 3,810,000 3,806,000 7,668,000 3,852,000 3,830,000 7,842,000 3,862,000 4,077,000 4,056,000 4,060,000 4,023,000 4,011,000 4,007,000 4,021,000 4,221,000                                                              
          share-based compensation expense
        7,579,000 6,740,000 6,826,000 5,793,000 6,386,000 6,684,000 6,765,000 4,246,000 5,072,000 7,475,000 17,467,000 9,820,000 9,563,000 16,513,000 7,902,000  10,161,000 8,642,000 6,122,000  6,290,000 7,701,000 4,693,000                                                              
          deferred income taxes
        301,000 -7,173,000 -1,079,000 922,000 -147,000 -694,000 -355,000 366,000 -318,000 -10,870,000 -298,000 -404,000 -36,502,000 -2,415,000 -347,000 20,824,000 -559,000 182,000 1,012,000 -4,224,000 -7,915,000 -2,334,000 17,000                                     -5,521,000 1,272,000 -528,000 737,000 -7,892,000 -1,303,000 1,001,000 -1,036,000 -1,703,000 -1,057,000 -302,000 -732,000 6,515,000 -1,512,000 -2,741,000 -598,000 3,530,000 -2,636,000 1,876,000 -1,841,000 -2,114,000 1,267,000 -52,000 315,000  
          investment loss
        -121,000    4,020,000     -1,843,000 -16,003,000 -3,829,000 447,000 13,197,000 5,518,000                                                                      
          impairment of equity investment
        1,249,000    5,817,000                                                                                
          gain on disposal of fixed assets
        143,000 -128,000 699,000 19,000 -18,000                                                                                
          interest income from derivative financial instruments
        -3,418,000 -4,550,000 -6,182,000 -5,045,000 -4,257,000                                                                                
          other
        938,000 415,000 735,000 -79,000 -275,000 -135,000 -737,000 1,865,000 -3,334,000 -4,453,000 -414,000 299,000 -402,000 -2,145,000 -1,383,000 33,000 919,000 -138,000 425,000 -2,184,000 151,000 343,000 741,000 19,000 -573,000 -291,000 658,000 -3,570,000 -1,010,000 1,042,000 1,203,000 -576,000 -685,000 -398,000 -155,000 3,211,000 -766,000 -925,000 291,000 -439,000 398,000 54,000 -148,000 3,106,000 -762,000 -415,000 1,695,000 4,027,000 2,841,000 -3,959,000 160,000 -519,000 77,000 247,000 -139,000 678,000 -13,000 714,000 -637,000                          
          changes in operating assets:
                                                                                            
          change in accounts receivable
        1,129,000 -5,091,000 6,490,000 -1,634,000 22,922,000 30,794,000 29,337,000 4,876,000 -17,731,000 46,841,000 -24,810,000 1,544,000 13,656,000 -50,368,000 -6,626,000  -10,876,000 -4,067,000 -12,993,000   -23,712,000 16,139,000                                                              
          change in inventory
        -23,073,000 -3,550,000 6,663,000 2,748,000 3,234,000 2,658,000 -15,800,000 -33,920,000 -40,435,000 -39,852,000 32,588,000 20,759,000 21,727,000 -35,119,000 -25,074,000  -18,119,000 -8,941,000 6,490,000   -22,320,000 2,550,000                                                              
          change in other operating assets
        2,077,000 10,498,000 7,532,000 -6,142,000 469,000 -191,000 2,632,000 -2,441,000 3,478,000 24,173,000 -29,689,000 4,964,000 42,434,000 -25,083,000 -2,282,000  -10,854,000 -8,496,000 2,899,000   8,444,000 -1,022,000                                                              
          changes in operating liabilities:
                                                                                            
          change in accounts payable
        20,578,000 3,737,000 569,000 7,299,000 2,181,000 -14,236,000 -8,293,000 8,210,000 -9,117,000 -5,477,000 -6,992,000 -17,718,000 -39,554,000 5,404,000 -8,549,000  12,699,000 8,190,000 11,266,000   25,927,000 -9,160,000                                                              
          change in accrued liabilities
        2,759,000 -999,000 4,696,000 -2,604,000 -14,763,000 16,295,000 -3,516,000 -454,000 -15,469,000 -15,834,000 -11,779,000 -36,289,000 -3,792,000 17,790,000 -13,751,000  13,647,000 13,016,000 -8,310,000   5,676,000 -12,105,000                                                              
          change in income tax payable
        2,816,000  1,340,000 1,486,000 -2,923,000 19,383,000 -5,817,000 -4,015,000 2,857,000 -20,247,000 7,181,000 13,932,000 -31,457,000 11,988,000 16,461,000  6,959,000 1,768,000 -4,100,000   -14,012,000 3,853,000                                                              
          change in other operating liabilities
        53,000 -2,584,000 638,000 2,088,000 980,000 -5,001,000 987,000 762,000 -1,008,000 -1,888,000 1,741,000 1,111,000 -1,901,000 -5,479,000 -2,316,000  -476,000 -277,000 -1,918,000   -939,000 539,000                                                              
          net cash flows from operating activities
        64,313,000  79,133,000 41,521,000 56,743,000  54,357,000 14,399,000 -31,143,000 38,392,000 192,428,000 99,811,000 102,935,000 157,339,000 72,317,000  98,925,000 93,868,000 68,196,000  39,701,000 33,059,000 53,675,000  67,217,000 40,599,000 69,889,000                                                          
          cash flows from investing activities
                                                                                            
          acquisition, net of cash acquired
          -595,000 -4,565,000                                            -124,916,000                                  
          purchases of property, plant, and equipment
        -31,874,000 -25,702,000 -16,322,000 -20,444,000 -15,894,000 -19,696,000 -15,000,000 -17,947,000 -20,381,000                                                                            
          proceeds from sale of property, plant, and equipment
        77,000 1,331,000 34,000 5,568,000 58,000 -272,000 923,000 43,000 122,000                                                                            
          proceeds from short-term investments
         2,239,000 4,101,000 1,289,000 892,000 12,804,000 1,101,000 1,563,000 3,389,000 1,933,000 807,000 2,921,000 3,819,000 3,046,000                                                                      
          purchases of short-term investments
        -447,000 -801,000 -1,353,000 -5,501,000 -2,065,000 -1,068,000 -10,844,000 -631,000 -1,483,000 -3,258,000 -4,094,000 -2,469,000 -2,861,000 -6,708,000 -5,998,000 -808,000 -1,599,000 -796,000 -4,364,000 -5,628,000 -807,000 -3,528,000 -1,523,000 -3,350,000 -6,921,000 -5,847,000 -3,153,000 -1,942,000 -3,788,000 -9,934,000 -237,000 -2,461,000 77,000 -3,034,000 -6,787,000 -5,977,000 -4,244,000 -5,908,000 -7,330,000 -21,094,000 -1,689,000 -10,110,000 -24,985,000                             -5,746,000 -7,946,000 -15,001,000 -3,771,000          
          purchases of equity securities
        -455,000 -95,000                                     -1,312,000     170,000                                     
          cash paid for hedge termination
        -3,184,000                                                                                    
          net cash flows from investing activities
        -36,679,000  -15,356,000 -50,156,000 -28,458,000  -18,035,000 -12,561,000 -18,279,000                                                                            
          cash flows from financing activities
                                                                                            
          advances on lines of credit and short-term debt
        14,110,000 25,037,000 18,954,000 11,873,000 3,209,000 22,846,000 14,652,000 44,342,000 8,926,000 12,827,000 9,796,000 8,173,000 57,452,000 45,214,000 37,782,000 5,724,000 9,734,000 3,584,000 2,820,000 16,836,000 7,000,000 50,000,000 3,647,000 3,185,000 3,201,000 3,568,000  5,737,000 3,414,000  1,991,000        264,000 484,000 965,000                                          
          repayments of lines of credit and short-term debt
        -13,739,000 -27,016,000 -12,025,000 -19,701,000 -3,180,000 -25,921,000 -6,186,000   -3,199,000 -11,902,000 -10,139,000 -58,116,000 -35,382,000 -26,883,000  -54,566,000 -12,611,000 -75,696,000                                                                  
          proceeds from long-term debt
        3,715,000 5,207,000 3,050,000 3,489,000 156,000 3,128,000 3,155,000 10,193,000 263,000 48,033,000 184,718,000 45,000,000 138,072,000 104,804,000 100,006,000 215,000,000 230,000,000 137,032,000 507,000,000 82,331,000 127,303,000 117,000,000 76,237,000 85,000,000 161,000,000 115,000,000 98,656,000 91,000,000 37,000,000 7,500,000 20,000,000 22,000,000 1,500,000                             47,711,000           1,381,000   1,170,000  
          repayments of long-term debt
        -3,540,000 -3,632,000 -375,000 -367,000 -3,355,000 -904,000 -1,854,000 -261,000 -3,439,000 -3,492,000 -103,251,000 -59,061,000 -161,356,000 -227,078,000 -123,545,000 -91,763,000 -109,684,000 -205,193,000 -179,361,000 -266,578,000 -87,325,000 -291,450,000 -98,884,000 -149,884,000 -169,591,000 -120,296,000 -83,089,000 -113,610,000 -136,693,000 -134,688,000 -137,482,000 -94,767,000 -75,203,000 -15,703,000 -18,701,000 -9,199,000 -15,073,000 -40,072,000 -15,569,000 -18,770,000 -6,071,000 -18,074,000 -23,071,000 -6,846,000 -15,121,000 -3,433,000 -17,277,000 -19,296,000 -7,313,000 -5,267,000 -10,269,000 -128,000 -155,000 -30,059,000 -103,000 -337,000 -134,097,000 -169,000 -103,000 -103,000 -93,000 -877,000 -92,000 -4,884,000 -278,000 232,000 -8,457,000 -23,411,000 -73,000 -721,000 -341,000 -1,077,000 -298,000 -677,000 -706,000 -541,000 -242,000 -501,000 -3,382,000   296,000 -875,000  
          taxes paid related to net share settlement
        -1,505,000 -52,000 -2,664,000 -173,000 -1,450,000 -45,000 -3,774,000 -350,000 -5,392,000 -53,000 -10,647,000 -9,669,000 -20,000 -8,864,000 -8,032,000  -4,704,000 -753,000 -9,293,000  -2,838,000 -938,000 -4,467,000  -2,788,000 -950,000 -645,000  -2,439,000 -1,353,000 -7,264,000  -149,000    -34,000 -159,000 -2,335,000                                              
          net cash flows from financing activities
        -1,094,000  -708,000 -28,798,000 -1,318,000  1,438,000 -20,156,000 3,182,000                                                                            
          effect of exchange rate changes on cash and cash equivalents
        320,000 -1,622,000 -3,799,000 19,252,000 -733,000 -11,209,000 11,667,000 15,415,000 -1,683,000 5,450,000 -4,641,000 3,446,000 6,331,000 -13,252,000 -2,385,000  -2,413,000 7,103,000 -1,812,000  10,344,000 3,959,000 -3,315,000  -2,579,000 1,855,000 -1,890,000  -3,286,000 -6,724,000 3,971,000 2,023,000 3,069,000 3,848,000 2,426,000 -5,821,000 1,630,000 -2,046,000 1,671,000 -619,000 -2,489,000 2,180,000 -3,664,000 -2,880,000 -3,917,000 399,000 -2,982,000 1,654,000 5,041,000 -2,763,000 -268,000 94,000 1,867,000 -358,000 664,000 105,000 -52,000 242,000 2,689,000 -1,701,000 2,864,000 -1,267,000 -3,173,000 -204,000 669,000 3,050,000 -360,000 198,000 -4,051,000 772,000 -140,000     -641,000   -28,000      
          change in cash and cash equivalents, including restricted cash
        26,860,000 -9,701,000 59,270,000 -18,181,000 26,234,000 -2,360,000 49,427,000 -2,903,000 -47,923,000 20,846,000 -16,363,000 -15,192,000 -44,733,000 -59,271,000 -60,813,000  -10,080,000 -36,183,000 10,572,000  85,213,000 283,709,000 11,405,000  -17,058,000 -65,493,000 60,474,000  -2,732,000 -30,082,000 -21,347,000                                                      
          cash and cash equivalents, beginning of period, including restricted cash
        372,346,000 314,724,000 318,483,000 341,099,000 341,099,000 366,818,000 366,818,000  320,529,000  259,507,000  241,833,000  60,000 205,202,000                                                      
          cash and cash equivalents, end of period, including restricted cash
        399,206,000 -9,701,000 59,270,000 -18,181,000 340,958,000 -2,360,000 49,427,000 -2,903,000 270,560,000 20,846,000 324,736,000 325,907,000 -44,733,000 307,547,000 306,005,000  -10,080,000 -36,183,000 331,101,000  85,213,000 283,709,000 270,912,000  -17,058,000 -65,493,000 302,307,000  -2,672,000 -30,082,000 183,855,000                                                      
          adjustments to reconcile net income to net cash from operating activities, net of effects of acquisitions
                                                                                            
          amortization of debt-issuance costs
                                                                                            
          gain on sale of subsidiary
                                                                                          
          impairment of long-lived assets
         -20,000 19,000                                                                                  
          change in income tax (refundable) payable
                                                                                            
          change in unrealized tax benefit liability
                                                                                            
          net cash and cash equivalents from operating activities
                                                                                            
          acquisitions, net of cash received
                    1,713,000 -85,692,000 -13,269,000      591,000                                                             
          proceeds from sale of subsidiary
                                                                                          
          receipt of government grants
                                                                                            
          receipt of insurance recovery
                                                                                            
          proceeds from disposal of wafer fabrication facility
                                                                                            
          net amounts received for hedge termination
                                                                                            
          net cash and cash equivalents from investing activities
                 -28,951,000 -97,491,000 -48,131,000 -39,663,000 -164,568,000 -54,886,000  -52,625,000 -26,275,000 -10,399,000  -17,728,000 -16,490,000 -17,558,000 9,750,000 -27,659,000 -65,365,000 -17,152,000 -14,851,000 -20,466,000 -24,192,000 -29,435,000   -9,104,000 -20,395,000  -9,644,000 -18,878,000 8,711,000                                              
          debt issuance costs
                                       -12,000 -16,000 -16,000 -67,000 -1,610,000 -128,000 -285,000 -22,000                                              
          repayment of and proceeds from finance lease obligation
         -12,000 -55,000 -8,000 -10,000 -28,000 -9,000 -13,000 -14,000 -81,000 -23,000 -7,000 -8,000 -12,000 -61,000  -30,000 -10,000 -141,000  -226,000 -222,000 -223,000  -324,000                                                            
          net changes in noncontrolling interests
                    -3,916,000 2,701,000                                                                       
          repurchases of common stock
                                                                                            
          net cash and cash equivalents from financing activities
                 5,955,000 -106,659,000 -70,318,000 -114,336,000 -38,790,000   -53,967,000 -110,879,000 -45,413,000  52,896,000 263,181,000 -21,397,000 -25,440,000 -54,037,000 -42,582,000 9,627,000 46,046,000 -14,527,000 -33,588,000 -49,842,000   -13,069,000 -10,340,000  2,911,000 -39,935,000 -17,264,000                                              
          investment gain
          -1,989,000    3,397,000 -4,357,000 -376,000        -6,058,000 -5,362,000 -3,713,000                                                                  
          insurance recovery
                                                                                           
          net amounts paid for hedge termination
                                                                                            
          net changes in noncontrolling interest
          -4,517,000 -13,468,000 -19,000  2,373,000 171,000  107,000 107,000                                                                         
          repurchase of common stock
                                                                                           
          proceeds paid for hedge termination
           -6,890,000                                                                                
          (gain) on disposal of property, plant, and equipment
                                                                                            
          interest income form forwards and collars
                                                                                            
          receipt of cash for termination of cross currency swap
                                                                                            
          supplemental cash flow information
                                                                                            
          interest paid during the period
                                 2,012,000 2,095,000                                                          
          taxes paid during the period
                                 18,876,000 4,323,000                                                          
          non-cash investing and financing activities:
                                                                                            
          accounts payable balance related to the purchase of property, plant, and equipment
                                                                                            
          dividend payable balance to noncontrolling interests
                                                                                            
          gain on disposal of property, plant, and equipment
              -571,000 -82,000 -4,872,000                                                                            
          interest income forwards and collars
              -2,489,000                                                                              
          purchases of securities
                  -13,900,000                                                                          
          proceeds from sales of securities
                  417,000                                                                          
          loss on disposal of property, plant and equipment
                    51,000 -3,756,000                                              19,000            -43,000            
          purchases of property, plant and equipment
                 -27,297,000 -84,989,000 -48,003,000 -63,801,000 -78,105,000 -38,542,000 -55,045,000 -41,113,000 -27,858,000 -17,179,000 -27,316,000 -17,769,000 -16,520,000 -14,208,000 -22,377,000 -25,430,000 -32,059,000 -18,639,000 -15,348,000 -19,169,000 -21,354,000 -31,636,000 -29,284,000 -37,994,000 -24,777,000 -19,106,000 -11,495,000 -17,982,000 -15,511,000 -13,561,000 -38,250,000 -48,117,000 -23,338,000 -23,539,000 -20,685,000 -13,413,000 -11,851,000 -11,817,000 -16,274,000 -7,029,000 -7,797,000 -15,954,000 -15,277,000 -18,652,000 -12,294,000 -11,943,000 -11,139,000 -24,818,000 -32,551,000 -12,433,000 -22,467,000 -25,289,000 -24,527,000 -16,526,000 -9,529,000 -3,573,000 -5,053,000 -4,322,000 -12,050,000 -16,104,000 -15,091,000 -10,001,000 -14,459,000 -18,324,000 -10,412,000 -12,906,000          
          proceeds from sale of property, plant and equipment
                 692,000 362,000 99,000 4,000 89,000 188,000  103,000                                7,000    1,664,000 302,000  9,000 10,000  6,000 2,135,000  27,000 78,000 15,000  11,000 45,000  94,000 -524,000 529,000  27,000 27,000      
          net proceeds from issuance of common stock
                    1,000 140,000 84,000  2,234,000 1,349,000 754,000  911,000    502,000 39,000 6,667,000  1,852,000 2,143,000 866,000  214,000 4,500,000 2,166,000    5,000  1,632,000 2,625,000 5,649,000  2,816,000 2,633,000 280,000  934,000 1,307,000 59,000  70,000 763,000 473,000  -357,000 1,041,000 2,668,000  129,000 1,885,000 749,000  694,000 65,000 34,000  1,655,000 619,000 528,000  2,226,000            
          accounts payable balance related to the purchase of property, plant and equipment
                                                                                            
          gain on disposal of property, plant and equipment
                  -151,000                                                   146,000 -1,693,000     7,000   -37,000              
          proceeds from sale of securities
                   417,000                                                    15,300,000 7,925,000                    
          disposal of wafer fabrication facility
                                                                                            
          purchase of equity securities
                    -4,051,000         -6,129,000                              2,251,000                                
          capital contribution from noncontrolling interests
                      3,000  167,000 3,000,000 1,003,000                                                                  
          net cash and cash equivalents from provided by financing activities
                      -75,859,000                                                                      
          operating activities
                                                                                            
          adjustments to reconcile net income to net cash from operating activities, net of effects of acquisitions:
                                                                                            
          amortization of debt issuance costs
                                                                                            
          share-based compensation
                                                                   3,271,000 3,266,000 3,233,000 3,281,000 3,385,000 2,867,000 2,255,000 2,429,000 2,439,000 2,564,000 2,583,000 2,550,000 2,611,000 2,599,000 2,225,000 2,429,000 2,446,000 1,741,000 2,194,000 1,891,000      
          investment
                                                                                            
          accounts receivable
                           -11,103,000                                        -3,687,000 -4,800,000 -8,703,000 -6,414,000 -1,103,000 -15,618,000 -15,870,000 5,833,000 33,181,000 -954,000 -10,920,000 3,573,000 -53,000 -4,028,000 -3,077,000 -4,716,000 -2,303,000 -12,426,000 -2,552,000 5,961,000 -5,699,000 -1,002,000 -3,536,000 -800,000 -2,241,000 
          inventories
                                                                   -6,810,000 -9,723,000 -8,172,000 -5,683,000 -7,115,000 -3,169,000 6,826,000 15,798,000 -8,152,000 4,468,000 -8,621,000 -8,031,000 -4,643,000 423,000 177,000 -619,000 -2,056,000 -2,711,000 -6,300,000 -5,216,000 1,809,000 -4,116,000 -1,077,000 1,011,000 -830,000 
          prepaid expenses and other current assets
                                                                   -3,751,000 3,254,000 -939,000 -854,000 216,000 -68,000 1,080,000 2,070,000 -3,274,000 859,000 1,770,000 -3,012,000 -623,000 -1,168,000 -627,000 -1,249,000          
          accounts payable
                           3,536,000                                        -5,150,000 6,561,000 2,174,000 3,447,000 6,690,000 11,841,000 12,504,000 -16,621,000 -1,945,000 -5,792,000 718,000 -4,220,000 4,546,000 3,832,000 161,000 -5,543,000 1,182,000 6,481,000 3,978,000 2,893,000 -2,355,000 4,450,000 2,671,000 564,000 7,000 
          accrued liabilities
                           -2,377,000                                        -1,527,000 5,296,000 3,910,000 343,000 -2,042,000 4,361,000 -2,412,000 -4,862,000 -603,000 -2,941,000 4,129,000 -5,377,000 4,227,000 -34,000 5,397,000 -4,982,000 -81,000 3,796,000 2,606,000 -1,364,000 1,203,000 2,774,000 955,000 -2,162,000 -607,000 
          other liabilities
                                                                   1,632,000 300,000 222,000 291,000 3,314,000 -433,000 -3,308,000 217,000 639,000 -1,043,000 -1,011,000 907,000 638,000 344,000 333,000 1,877,000          
          income taxes payable
                                                                       -1,597,000 -1,223,000 2,404,000 1,235,000 -4,491,000 -1,265,000 1,567,000 1,497,000 -1,612,000 -1,000 -225,000 137,000       1,001,000 222,000  
          investing activities
                                                                                            
          acquisitions, net of cash acquired
                                                                         -224,000       -11,022,000 546,000 -210,000 -18,747,000      
          sales of short-term investments
                                                                                            
          proceeds from sales of property, plant and equipment
                                      208,000             52,000                                        
          net cash and cash equivalents used by investing activities
                                                                                            
          financing activities
                                                                                            
          repayments on lines of credit and short-term debt
                                       -1,996,000       -1,775,000 -962,000 -483,000 -1,067,000                                          
          repayments of finance lease obligations
                                                                                            
          net proceeds from the issuance of common stock
                                                                                  844,000 216,000 2,594,000 271,000 1,246,000 12,802,000 60,592,000 2,210,000 763,000  
          capital contribution from noncontrolling interest
                                   992,000                                                         
          dividend distribution to noncontrolling interest
                                   -1,543,000 -1,000,000 -151,000 -2,472,000                                -1,500,000                  
          taxes related to net share settlement
                                                                                            
          net cash and cash equivalents used by financing activities
                                                                                            
          effect of exchange rate changes on cash and cash equivalents, including restricted cash
                                                                                            
          increase in cash and cash equivalents, including restricted cash
                                                                                            
          cash and cash equivalents, beginning of year, including restricted cash
                                                                                            
          cash and cash equivalents, end of year, including restricted cash
                                                                                            
          proceeds from maturity of short-term investments
                        1,612,000 1,935,000 2,085,000  1,537,000 2,719,000 3,467,000  5,489,000 5,861,000 3,982,000  3,542,000 6,262,000 1,027,000  3,783,000 19,520,000 4,588,000  13,581,000 3,482,000 29,289,000      3,136,000 3,065,000 2,315,000                                      
          additional acquisition of noncontrolling interests
                                                                                            
          dividend distribution to noncontrolling interests
                        -1,922,000    -1,457,000 -108,000  -1,397,000                                                            
          inventory
                                                                                            
          other operating assets
                                                                                            
          income tax payable
                                                                    814,000 -320,000 733,000              607,000 -5,000 438,000      
          other operating liabilities
                                                                                            
          additional acquisition of noncontrolling interest
                                                                                           
          repayments of line of credit and short-term debt
                            -169,000 -3,498,000  -1,606,000 -1,461,000                                                          
          amortization of intangibles
                                                                   1,123,000 1,100,000 1,079,000 1,129,000 1,185,000 1,194,000 1,117,000 1,169,000 1,336,000 1,904,000                
          receipt of subsidies and grants
                                                                                            
          purchase of treasury stock
                                                                                            
          depreciation and amortization
                                                                               5,828,000 7,391,000 6,735,000 6,291,000 7,012,000 4,383,000 4,997,000 4,673,000 4,341,000 4,074,000 3,903,000 3,910,000 3,631,000 
          decrease in accounts payable related to the purchase of property, plant and equipment
                                 -4,404,000 2,366,000  2,641,000 -1,465,000 6,917,000                                                      
          increase in dividend accrued for noncontrolling interest
                                                                                            
          repayment of finance lease obligation
                                  -293,000                                                          
          excess tax benefit from share-based compensation
                                                                                            
          income taxes (refundable) payable
                                                                                            
          subsidies and grants
                                                                                            
          advance on lines of credit and short-term debt
                                                                                            
          excess taxes (paid) benefit from share-based compensation
                                                                                            
          repayments of capital lease obligations
                                                                 -3,000 -85,000 -66,000 -63,000 -60,000 -79,000 -94,000 -94,000 -90,000 -103,000 -87,000 -109,000 -104,000 -52,000 -30,000 -30,000 -31,000 -50,000 -31,000 -28,000 -30,000 -49,000 -29,000 -28,000 -28,000 -51,000 -33,000 
          acquisition net of cash acquired
                                                                                            
          proceeds from and repayment of capital lease obligation
                                    -286,000                                                        
          interest
                                    2,327,000 2,544,000 2,790,000                                                      
          taxes
                                    12,792,000 12,504,000 4,139,000                                                      
          non-cash financing activities:
                                                                                            
          repayment of capital lease obligation
                                      -603,000  -155,000                                                    
          decrease dividend accrued for noncontrolling interest
                                      -1,000,000                                                      
          (gain) on securities carried at fair value
                                                                                            
          net cash from operating activities
                                                                   27,959,000 43,118,000 23,062,000 23,866,000 21,531,000 19,431,000 17,815,000 6,750,000 20,537,000 13,455,000 13,283,000 9,896,000 38,275,000 24,544,000 21,501,000 6,451,000 25,598,000 11,330,000 18,184,000 16,969,000 10,129,000 16,288,000 11,772,000 12,366,000 8,200,000 
          capital expenditures
                                                                   -22,467,000 -25,289,000 -24,527,000 -16,526,000 -9,529,000 -3,573,000 -5,053,000 -4,322,000 -12,050,000 -16,104,000 -15,091,000 -10,001,000 -14,459,000 -18,324,000 -10,412,000 -12,906,000 -5,118,000 -18,034,000 -11,616,000 -7,415,000 -4,059,000 -2,786,000 
          free cash flows
                                                                   5,492,000 17,829,000 -1,465,000 7,340,000 12,002,000 15,858,000 12,762,000 2,428,000 8,487,000 -2,649,000 -1,808,000 -105,000 23,816,000 6,220,000 11,089,000 -6,455,000 25,598,000 6,212,000 150,000 5,353,000 10,129,000 8,873,000 7,713,000 9,580,000 8,200,000 
          decrease in restricted cash
                                         -204,000 854,000 -633,000 -347,000 33,000 3,000 259,000 3,138,000 -3,097,000 486,000 1,594,000    -63,000                                     
          proceeds from sale of equity securities
                                               4,684,000    1,098,000    7,458,000                                  
          net cash from investing activities
                                       -13,874,000        -350,166,000 -42,516,000 -28,585,000 -38,179,000           -16,047,000 -9,658,000  -38,304,000 -31,837,000 -13,060,000  -25,521,000 213,465,000 44,071,000  4,134,000 -2,812,000 -4,979,000                  
          net cash from financing activities
                                       -60,338,000        360,807,000 -6,334,000 -15,499,000 -17,612,000      -6,549,000 -2,036,000 145,276,000   -8,854,000 42,765,000  -144,084,000 10,869,000 2,480,000  -2,294,000 -237,415,000 -58,922,000 89,037,000 -7,648,000 -1,775,000 -11,699,000 12,132,000 3,344,000 178,875,000 2,517,000 -7,255,000    227,553,000    10,529,000     
          increase in cash and cash equivalents
                                          17,317,000 27,276,000   18,571,000 29,680,000 -5,837,000 -27,521,000 -20,887,000 6,151,000 1,384,000 23,823,000 15,007,000 -7,579,000 -9,332,000 13,341,000 43,084,000 -11,145,000 -27,000 -8,435,000 47,218,000 4,613,000 -165,469,000 11,626,000 7,839,000 7,094,000 18,167,000 -2,155,000 5,842,000 115,881,000 16,586,000 16,278,000 -10,288,000 20,817,000 -3,453,000                
          cash and cash equivalents, beginning of year
                                                                                            
          cash and cash equivalents, end of year
                                                                                            
          decrease (increase) in restricted cash
                                                                                            
          change in cash and cash equivalents
                                        -65,379,000                                                    
          cash and cash equivalents, beginning of period
                                        247,802,000  218,435,000  243,000,000  196,635,000  157,121,000  129,510,000  270,901,000  241,953,000  103,496,000  56,179,000  48,888,000          
          cash and cash equivalents, end of period
                                        -65,379,000 1,486,000 265,119,000  27,972,000 -44,452,000 237,006,000  -5,837,000 -27,521,000 222,113,000  1,384,000 23,823,000 211,642,000  -9,332,000 13,341,000 200,205,000  -27,000 -8,435,000 176,728,000  -165,469,000 11,626,000 278,740,000  18,167,000 -2,155,000 247,795,000  16,586,000 16,278,000 93,208,000  -3,453,000 24,889,000 61,243,000  2,465,000 2,141,000 40,538,000          
          supplemental disclosure
                                                                                            
          decrease (increase) in accounts payable related to the purchase of property, plant and equipment
                                                                                            
          increase in accounts payable related to the purchase of property, plant and equipment
                                                                                            
          proceeds from sales of property, plant, and equipment
                                          211,000  65,000 19,000  110,000                                            
          repayment of capital lease obligation and other
                                          -1,238,000  -3,859,000 586,000 -843,000                                              
          change in accounts payable related to the purchase of property, plant and equipment
                                          -7,000                                                  
          gain on securities carried at fair value
                                                                                            
          proceeds from sales of equity securities
                                                                                            
          purchase of tf semiconductor solutions, net of cash acquired
                                                                                            
          property, plant and equipment purchased on accounts payable
                                            9,384,000 -2,622,000 697,000  -5,644,000 -8,682,000 -10,281,000  -3,330,000 -1,421,000 -547,000  2,986,000 -3,329,000 2,999,000  796,000 -2,952,000 -3,807,000  -13,484,000 15,575,000 -6,166,000  -12,120,000 -1,948,000 8,240,000                      
          acquisition of tf semiconductor solutions:
                                                                                            
          total assets acquired
                                                                                            
          total liabilities assumed
                                                                                            
          decrease in cash and cash equivalents
                                                                                            
          impairment of goodwill
                                                                                            
          purchase tf semiconductor solutions, net of cash acquired
                                                                                            
          proceeds from sale of equity securities and short-term investments
                                                 11,128,000 10,007,000                                          
          supplemental cash flow information:
                                                                                            
          proceeds from sales of intangibles
                                                                                            
          advance on lines of credit and short term debt
                                                                                            
          net cash used by investing activities
                                                    -9,199,000 -9,615,000 -7,807,000 -16,960,000 -24,485,000 -11,705,000 -133,252,000                 -12,050,000 -16,201,000 -168,041,000 -7,209,000 -20,102,000 -26,176,000 -25,937,000 -16,148,000   -23,828,000 -35,794,000 -21,541,000 -37,417,000 -4,059,000 -2,786,000  
          advances on lines of credit
                                                    1,785,000                                        
          repayments on lines of credit
                                                    -2,227,000 -2,285,000 -5,337,000  -4,318,000 -623,000 -25,088,000         -1,567,000 -242,125,000 -59,500,000                      
          borrowings of long-term debt
                                                        -2,000 1,002,000 180,000,000                                 
          net cash from (used by) financing activities
                                                    -12,759,000 -909,000 -20,322,000     3,143,000                                 
          acquisition:
                                                                                            
          fair value of assets acquired
                                                        247,012,000                                  
          liabilities assumed
                                                        -92,277,000                                  
          cash acquired
                                                        -29,819,000                                  
          net assets acquired
                                                        124,916,000                                  
          advances on line of credit
                                                      2,094,000  5,233,000 1,453,000 3,510,000  1,632,000 -1,485,000 2,482,000             1,871,000 14,081,000 2,382,000              
          amortization of convertible senior notes issuance costs
                                                                                            
          amortization of discount on convertible senior notes
                                                                                            
          loss on securities carried at fair value
                                                                                            
          purchase of short-term investments
                                                                                            
          proceeds from sale of intangibles
                                                            2,122,000                              
          proceeds from sale of debt securities
                                                                                            
          net cash from (used by) investing activities
                                                                                            
          dividend to noncontrolling interest
                                                                                            
          advances on long-term debt
                                                              40,000,000                              
          adjustments to reconcile net income to net cash from operating activities:
                                                                                            
          gain from extinguishment of debt
                                                                                            
          purchases of investments
                                                                                            
          proceeds from sale of short-term investments
                                                                    237,825,000 58,775,000                      
          purchased in-process research and development
                                                                                           
          amortization of convertible bond issuance costs
                                                                    138,000 136,000 138,000  162,000 164,000 179,000 289,000 311,000 311,000 311,000              
          amortization of debt discount
                                                                    2,006,000 1,873,000 1,834,000                      
          loss on extinguishment of debt
                                                                    144,000                        
          investment loss recognized under equity method
                                                                    -432,000 -125,000 -43,000                      
          other assets
                                                                    -232,000                        
          advances on line of credit and short-term debt
                                                                                           
          fair value of common stock issued for repayment of long-term debt
                                                                        -18,201,000                    
          gain on extinguishment of debt
                                                                        161,000 136,000 -1,490,000                  
          decrease of other assets
                                                                      -313,000                      
          amortization of discount on convertible bond
                                                                        1,981,000 2,281,000 2,209,000                  
          investment gain recognized under equity method
                                                                        -31,000 -43,000 96,000                  
          deferred tax liabilities
                                                                                            
          repayments on line of credit
                                                                                            
          adjustments to reconcile net income to net cash
                                                                                            
          provided by operating activities:
                                                                                            
          acquired intangibles
                                                                                            
          purchases of other assets
                                                                         1,393,000 -672,000                  
          advances (repayments) on line of credit
                                                                         -1,982,000 -1,673,000      -122,000            
          net income attributable to noncontrolling interest
                                                                          104,000                  
          minority interest earnings
                                                                           351,000 654,000 676,000 608,000 775,000 641,000 546,000 415,000 465,000 334,000 261,000 229,000 292,000 305,000 258,000 239,000 169,000 
          adjustment to share-based and other incomes
                                                                                            
          purchases of available-for-sale securities
                                                                                           
          proceeds from sale of available-for-sale securities
                                                                                           
          advance (repayments) on lines of credit
                                                                                            
          excess tax benefits
                                                                                2,465,000 3,020,000 1,182,000 -619,000         
          sales (purchases) of available-for-sale securities
                                                                             50,000 2,747,000              
          amortization of acquired intangibles
                                                                              212,000              
          increase in cash
                                                                              5,064,000              
          adjustment of other comprehensive income
                                                                                            
          management incentive reimbursement from lsc
                                                                                       375,000 
          dividend to minority shareholder
                                                                                           
          effect of exchange rate changes
                                                                                            
          on cash and cash equivalents
                                                                               117,000   77,000       206,000 22,000 813,000 
          decrease in cash
                                                                                2,465,000 2,141,000 -8,350,000          
          net cash provided (used) by financing activities
                                                                                 6,418,000 1,270,000          
          adjustments to reconcile net income to net cash provided by operating activities:
                                                                                            
          loss (gain) on disposal of property, plant and equipment
                                                                                   -69,000 101,000        
          minority shareholder investment in subsidiary
                                                                                            
          prepaid expenses and others
                                                                                    -1,110,000 -256,000 -127,000  -1,261,000 -374,000 1,932,000  
          purchase of property, plant and equipment
                                                                                    -5,118,000 -18,034,000 -11,616,000  -7,415,000 -4,059,000 -2,786,000  
          purchase of available-for-sale securities
                                                                                    -4,722,000 -5,611,000 -5,458,000      
          repayments of line of credit
                                                                                    -4,789,000 124,000 -1,052,000  3,000,000    
          increase (decrease) in cash and equivalents
                                                                                    4,242,000 -4,756,000 -19,617,000   5,092,000 8,952,000  
          cash, beginning of period
                                                                                    73,288,000      
          cash, end of period
                                                                                    4,242,000 -4,756,000 53,671,000      
          excess tax benefits from stock option exercises
                                                                                            
          net cash used by financing activities
                                                                                     423,000 -764,000   -2,827,000 -650,000  
          loss (gain) on fixed assets
                                                                                      120,000      
          excess tax benefits associated with share-based compensation
                                                                                      2,473,000      
          equity awards
                                                                                            
          loss on impairment and disposal of property, plant and equipment
                                                                                            
          changes in operating assets and liabilities
                                                                                            
          prepaid expenses and other
                                                                                            
          equity investment
                                                                                            
          share grant expense
                                                                                        498,000    
          repayments of long-term debts
                                                                                            
          dividend to minority shareholders
                                                                                            
          increase in cash and equivalents
                                                                                            
          loss (gain) on sale of property, plant and equipment
                                                                                         -105,000  
          cash at beginning of period
                                                                                         18,970,000  
          cash at end of period
                                                                                         5,092,000 27,922,000  
          advances on (repayments of) line of credit
                                                                                          -2,032,000  
          increase (decrease) in cash
                                                                                            
          cash, beginning of year
                                                                                            
          cash, end of year
                                                                                            
          loss on fixed assets
                                                                                            
          loss on sale of property, plant and equipment
                                                                                            
          prepaid expenses, taxes and other assets
                                                                                            
          proceeds from the issuance of common stock
                                                                                            
          proceeds from (repayments of) long-term obligations
                                                                                            
          supplemental disclosure of cash flow information
                                                                                            
          cash paid during the period for:
                                                                                            
          income taxes
                                                                                            
          non-cash activities:
                                                                                            
          tax benefit of stock options exercised credited to additional paid-in capital