7Baggers

Harmonic Inc
(NASDAQ:HLIT) 

HLIT stock logo

Harmonic Inc., together with its subsidiaries, provide video delivery software, products, system solutions, and services worldwide. Its products enable customers to create, prepare, store, playout, and deliver a range of broadcast and streaming video services to consumer devices, including televisio...

Founded: 1988
Full Time Employees: 1,162
Sector: Technology
Industry: Communication Equipment

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Quarterly
Annual
    Unit: USD2026-04-03 2025-12-31 2025-09-26 2025-06-27 2025-03-28 2024-12-31 2024-09-27 2024-06-28 2024-03-29 2023-12-31 2023-09-29 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-07-01 2022-04-01 2021-12-31 2021-10-01 2021-07-02 2021-04-02 2020-12-31 2020-09-25 2020-06-26 2020-03-27 2019-12-31 2019-09-27 2019-06-28 2019-03-29 2018-12-31 2018-09-28 2018-06-29 2018-03-30 2017-12-31 2017-09-29 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-07-01 2016-04-01 2015-12-31 2015-10-02 2015-07-03 2015-04-03 2014-12-31 2014-09-26 2014-06-27 2014-03-28 2013-12-31 2013-09-27 2013-06-28 2013-03-29 2012-12-31 2012-09-28 2012-06-29 2012-03-30 2011-12-31 2011-09-30 2011-07-01 2011-04-01 2010-12-31 2010-10-01 2010-07-02 2010-04-02 2009-12-31 2009-10-02 2009-07-03 2009-04-03 2008-12-31 2008-09-26 2008-06-27 2008-03-28 2007-12-31 2007-09-28 2007-06-29 2007-03-30 2006-12-31 2006-09-29 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-07-01 2005-04-01 2004-12-31 2004-10-01 2004-09-26 2004-07-02 2004-04-02 2003-12-31 2003-09-26 2003-06-27 2003-03-28 2002-12-31 2002-09-27 2002-06-28 2002-03-29 2001-12-31 2001-09-28 
                                                                                                        
      revenue:
                                                                                                        
      appliance and integration
    103,759,000 19,405,000 97,774,000 94,067,000 91,541,000 177,914,000 153,685,000 94,184,000 81,595,000 125,197,000 84,760,000 111,127,000 114,794,000 122,513,000 116,441,000 121,868,000 112,984,000 119,340,000 91,853,000 78,598,000 79,976,000 98,787,000 63,251,000 42,224,000 47,752,000 85,933,000 83,082,000 54,417,000 52,365,000                                                                        
      saas and service
    17,936,000 -72,426,000 44,608,000 43,960,000 41,594,000 44,252,000 42,071,000 44,556,000 40,465,000 41,895,000 42,443,000 44,836,000 42,855,000 41,821,000 39,297,000 35,578,000 34,455,000 36,464,000 34,468,000 34,850,000 31,600,000 32,741,000 31,641,000 31,770,000 30,665,000 36,245,000 32,643,000 30,448,000 27,741,000                                                                        
      total net revenue
    121,695,000 -53,021,000 142,382,000 138,027,000 133,135,000 222,166,000 195,756,000 138,740,000 122,060,000 167,092,000 127,203,000 155,963,000 157,649,000 164,334,000 155,738,000 157,446,000 147,439,000 155,804,000 126,321,000 113,448,000 111,576,000 131,528,000 94,892,000 73,994,000 78,417,000 122,178,000 115,725,000 84,865,000 80,106,000 113,655,000 100,616,000 99,160,000 90,127,000 100,974,000 92,014,000 82,315,000 82,943,000 113,102,000 101,406,000 109,571,000 81,832,000 86,603,000 83,305,000                                                          
      yoy
    -8.59% -123.87% -27.27% -0.51% 9.07% 32.96% 53.89% -11.04% -22.57% 1.68% -18.32% -0.94% 6.92% 5.47% 23.29% 38.78% 32.14% 18.46% 33.12% 53.32% 42.29% 7.65% -18.00% -12.81% -2.11% 7.50% 15.02% -14.42% -11.12% 12.56% 9.35% 20.46% 8.66% -10.72% -9.26% -24.88% 1.36% 30.60% 21.73%                                                              
      qoq
    -329.52% -137.24% 3.16% 3.67% -40.07% 13.49% 41.10% 13.67% -26.95% 31.36% -18.44% -1.07% -4.07% 5.52% -1.08% 6.79% -5.37% 23.34% 11.35% 1.68% -15.17% 38.61% 28.24% -5.64% -35.82% 5.58% 36.36% 5.94% -29.52% 12.96% 1.47% 10.02% -10.74% 9.74% 11.78% -0.76% -26.67% 11.53% -7.45% 33.90% -5.51% 3.96%                                                           
      cost of revenue:
                                                                                                        
      total cost of revenue
    58,080,000 1,730,000 65,253,000 64,234,000 54,561,000 97,515,000 91,024,000 65,283,000 58,979,000 85,225,000 65,519,000 71,023,000 73,595,000 78,637,000 77,134,000 75,045,000 78,257,000 77,866,000 60,167,000 52,943,000 56,431,000 59,966,000 45,968,000 36,221,000 41,679,000 60,483,000 40,185,000 40,937,000 38,257,000 53,334,000 50,514,000 47,557,000 42,944,000 52,402,000 44,989,000 48,500,000 42,535,000 55,409,000 50,043,000 58,531,000 41,178,000 39,535,000 37,074,000 48,718,000 48,988,000 51,084,000 54,633,000 59,772,000 55,720,000 60,626,000 66,126,000 59,236,000 55,507,000 56,473,250 76,778,000 75,056,000 74,059,000 76,760,000 74,910,000 72,168,000 70,980,000 76,813,000 57,252,000 49,862,000                                     
      total gross profit
    63,615,000 -54,751,000 77,129,000 73,793,000 78,574,000 124,651,000 104,732,000 73,457,000 63,081,000 81,867,000 61,684,000 84,940,000 84,054,000 85,697,000 78,604,000 82,401,000 69,182,000 77,938,000 66,154,000 60,505,000 55,145,000 71,562,000 48,924,000 37,773,000 36,738,000 61,695,000 75,540,000 43,928,000 41,849,000 60,321,000 50,102,000 51,603,000 47,183,000 48,572,000 47,025,000 33,815,000 40,408,000 57,693,000 51,363,000 51,040,000 40,654,000 47,068,000 46,231,000                                                          
      yoy
    -19.04% -143.92% -26.36% 0.46% 24.56% 52.26% 69.79% -13.52% -24.95% -4.47% -21.53% 3.08% 21.50% 9.96% 18.82% 36.19% 25.45% 8.91% 35.22% 60.18% 50.10% 15.99% -35.23% -14.01% -12.21% 2.28% 50.77% -14.87% -11.30% 24.19% 6.54% 52.60% 16.77% -15.81% -8.45% -33.75% -0.61% 22.57% 11.10%                                                              
      qoq
    -216.19% -170.99% 4.52% -6.08% -36.96% 19.02% 42.58% 16.45% -22.95% 32.72% -27.38% 1.05% -1.92% 9.02% -4.61% 19.11% -11.23% 17.81% 9.34% 9.72% -22.94% 46.27% 29.52% 2.82% -40.45% -18.33% 71.96% 4.97% -30.62% 20.40% -2.91% 9.37% -2.86% 3.29% 39.07% -16.32% -29.96% 12.32% 0.63% 25.55% -13.63% 1.81%                                                           
      gross margin %
    52.27% 103.26% 54.17% 53.46% 59.02% 56.11% 53.50% 52.95% 51.68% 49.00% 48.49% 54.46% 53.32% 52.15% 50.47% 52.34% 46.92% 50.02% 52.37% 53.33% 49.42% 54.41% 51.56% 51.05% 46.85% 50.50% 65.28% 51.76% 52.24% 53.07% 49.80% 52.04% 52.35% 48.10% 51.11% 41.08% 48.72% 51.01% 50.65% 46.58% 49.68% 54.35% 55.50% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% 
      operating expenses:
                                                                                                        
      research and development
    20,881,000 -14,161,000 29,699,000 29,442,000 31,349,000 31,413,000 30,073,000 28,784,000 30,705,000 30,252,000 30,316,000 32,205,000 33,509,000 31,088,000 30,466,000 29,920,000 28,833,000 27,368,000 26,552,000 24,783,000 23,528,000 20,667,000 20,206,000 19,498,000 22,123,000 21,703,000 20,197,000 21,313,000 21,401,000 21,913,000 22,251,000 21,542,000 23,457,000 22,752,000 21,289,000 27,055,000 24,882,000 24,129,000 24,202,000 26,507,000 23,563,000 21,721,000 21,679,000 21,816,000 22,329,000 22,885,000 22,803,000 23,485,000 23,888,000 24,307,000 24,560,000 25,820,000 25,251,000 26,225,000 26,524,000 25,641,000 27,829,000 25,283,000 25,638,000 25,662,000 26,149,000 24,251,000 19,002,000 16,977,000 16,966,000 15,610,000 15,879,000 15,450,000 14,496,000 14,207,000 13,724,000 13,347,000 13,193,000 11,287,000 11,018,000 9,605,000 10,992,000 9,901,000 10,021,000 9,585,000 9,948,000 28,765,000 9,403,000 9,519,000 9,459,000 10,076,000 8,348,000 8,348,000 8,311,000 8,850,000 8,962,000 9,211,000  8,503,000 9,178,000 9,737,000 10,795,000 11,119,000 9,872,000 11,932,000 
      selling, general and administrative
    22,285,000 -30,432,000 36,524,000 38,194,000 37,098,000 38,587,000 35,851,000 39,821,000 38,865,000 41,982,000 39,245,000 42,773,000 39,282,000 36,927,000 36,379,000 36,768,000 36,643,000 35,357,000 34,231,000 33,586,000 34,911,000 32,615,000 28,773,000 27,005,000 31,218,000 30,557,000 31,148,000 29,319,000 28,011,000 30,078,000 29,723,000 27,988,000 31,163,000 31,893,000 37,121,000 32,625,000 34,631,000 38,883,000 36,112,000 36,516,000 32,870,000 29,517,000 28,966,000 31,281,000 31,196,000 32,682,000 32,114,000 32,979,000 33,547,000 33,794,000 32,527,000 34,424,000 33,269,000 34,335,000 32,150,000 32,142,000 32,311,000 32,730,000 32,254,000 32,543,000 33,564,000 37,233,000 25,999,000 24,074,000 20,845,000 19,707,000 19,405,000 20,735,000 21,290,000 26,393,000 19,254,000 20,022,000 17,448,000 24,333,000 14,911,000 15,771,000 15,675,000 16,620,000 16,931,000 15,979,000 15,713,000 46,309,000 15,166,000 16,611,000 15,325,000 17,800,000 14,418,000 14,418,000 13,529,000 13,994,000 10,711,000 11,127,000  12,063,000 12,386,000 36,694,000 17,026,000 15,321,000 17,262,000 41,566,000 
      total operating expenses
    43,166,000 -45,015,000 67,310,000 69,923,000 68,447,000 71,783,000 69,308,000 89,087,000 72,607,000 72,234,000 70,287,000 74,978,000 72,874,000 69,220,000 67,180,000 67,319,000 66,646,000 62,792,000 60,783,000 58,369,000 58,989,000 54,787,000 50,545,000 47,327,000 54,787,000 54,989,000 52,991,000 51,692,000 50,257,000 52,996,000 53,753,000 50,961,000 56,510,000 56,663,000 61,231,000 61,237,000 61,566,000 73,922,000 63,296,000 69,158,000 61,410,000 53,429,000 52,488,000 54,728,000 55,015,000 58,953,000 56,966,000 58,466,000 59,534,000 60,594,000 59,347,000 62,496,000 61,032,000 62,717,000 60,853,000 59,973,000 62,319,000 60,243,000 60,121,000 60,435,000 61,942,000 64,370,000 45,960,000 41,585,000 38,345,000 35,850,000 36,651,000 37,719,000 36,175,000 40,760,000 33,138,000 33,529,000 30,801,000 35,780,000 26,772,000 25,487,000 26,778,000 26,812,000 26,997,000 25,607,000 25,752,000 6,169,750 24,679,000 26,295,000 25,742,000 18,312,500 24,699,000 24,699,000 23,773,000 24,777,000 17,385,500 22,271,000 24,772,000 22,499,000 27,070,250 48,364,000 30,649,000 29,268,000 35,047,250 56,970,000 
      income from operations
    20,449,000 -9,736,000 9,819,000 3,870,000 10,127,000 52,868,000 35,424,000 -15,630,000 -9,526,000 9,633,000 -8,603,000 9,962,000 11,180,000 16,477,000 11,424,000 15,082,000 2,536,000 15,146,000 5,371,000 2,136,000 -3,844,000 16,775,000 -1,621,000 -9,554,000 -18,049,000 6,706,000 22,549,000 -7,764,000 -8,408,000 7,325,000 -3,651,000 642,000 -9,327,000 -8,091,000 -14,206,000 -27,422,000 -21,158,000 -16,229,000 -11,933,000 -18,118,000  -6,361,000 -6,257,000 -343,000 13,000 -2,162,000 -3,538,000 -8,649,000 -7,222,000 -998,000 -2,555,000 -4,604,000 -14,867,000 2,694,000 -949,000 -2,395,000 -8,657,000 6,627,000 3,840,000 1,393,000 -87,000 -2,988,000 1,572,000 4,097,000 2,461,000 3,499,000 -571,000 -4,172,000 -10,790,000 7,446,000 11,058,000 9,323,000 11,478,000 4,935,000 8,871,000 5,078,000 374,000 3,352,000 2,800,000 -4,001,000 -5,872,000 -3,761,000 -3,283,000 -2,898,000 1,305,000 -2,132,000 -4,161,000 -4,161,000 -1,477,000 -2,890,000 838,000 -7,611,000 -12,020,000 -11,752,000 -13,994,000 -38,436,000 -11,414,000 -13,505,000 -13,713,000 -69,374,000 
      yoy
    101.93% -118.42% -72.28% -124.76% -206.31% 448.82% -511.76% -256.90% -185.21% -41.54% -175.31% -33.95% 340.85% 8.79% 112.70% 606.09% -165.97% -9.71% -431.34% -122.36% -78.70% 150.15% -107.19% 23.06% 114.66% -8.45% -717.61% -1309.35% -9.85% -190.53% -74.30% -102.34% -55.92% -50.14% 19.05% 51.35%  155.13% 90.71% 5182.22%  194.22% 76.85% -96.03% -100.18% 116.63% 38.47% 87.86% -51.42% -137.05% 169.23% 92.23% 71.73% -59.35% -124.71% -271.93% 9850.57% -321.79% 144.27% -66.00% -103.54% -185.40% -375.31% -198.20% -122.81% -53.01% -105.16% -144.75% -194.01% 50.88% 24.65% 83.60% 2968.98% 47.23% 216.82% -226.92% -106.37% -189.13% -185.29% 38.06% -549.96% 76.41% -21.10% -30.35% -188.35% -26.23% -596.54% -45.33% -87.71% -75.41% -105.99% -80.20% 5.31% -12.98% 2.05% -44.60%     
      qoq
    -310.03% -199.15% 153.72% -61.79% -80.84% 49.24% -326.64% 64.08% -198.89% -211.97% -186.36% -10.89% -32.15% 44.23% -24.25% 494.72% -83.26% 182.00% 151.45% -155.57% -122.92% -1134.86% -83.03% -47.07% -369.15% -70.26% -390.43% -7.66% -214.78% -300.63% -668.69% -106.88% 15.28% -43.05% -48.19% 29.61% 30.37% 36.00% -34.14%   1.66% 1724.20% -2738.46% -100.60% -38.89% -59.09% 19.76% 623.65% -60.94% -44.50% -69.03% -651.86% -383.88% -60.38% -72.33% -230.63% 72.58% 175.66% -1701.15% -97.09% -290.08% -61.63% 66.48% -29.67% -712.78% -86.31% -61.33% -244.91% -32.66% 18.61% -18.78% 132.58% -44.37% 74.69% 1257.75% -88.84% 19.71% -169.98% -31.86% 56.13% 14.56% 13.29% -322.07% -161.21% -48.76% 0.00% 181.72% -48.89% -444.87% -111.01% -36.68% 2.28% -16.02% -63.59% 236.74% -15.48% -1.52% -80.23%  
      operating margin %
    16.80% 18.36% 6.90% 2.80% 7.61% 23.80% 18.10% -11.27% -7.80% 5.77% -6.76% 6.39% 7.09% 10.03% 7.34% 9.58% 1.72% 9.72% 4.25% 1.88% -3.45% 12.75% -1.71% -12.91% -23.02% 5.49% 19.48% -9.15% -10.50% 6.44% -3.63% 0.65% -10.35% -8.01% -15.44% -33.31% -25.51% -14.35% -11.77% -16.54% 0% -7.35% -7.51% -Infinity% Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% Infinity% -Infinity% -Infinity% -Infinity% Infinity% Infinity% Infinity% -Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% -Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% 
      interest expense
    -1,079,000 112,000 -1,184,000 -1,253,000 -1,474,000 -2,493,000 -2,686,000 -1,424,000 -723,000 -571,000 -619,000 -800,000 -706,000 -929,000 -1,284,000 -1,394,000 -1,433,000 -2,706,000 -2,686,000 -2,630,000 -2,603,000 -2,737,000 -2,807,000 -3,062,000 -2,903,000 -2,789,000 -3,000,000 -2,956,000 -2,906,000 -2,909,000 -2,872,000 -2,863,000 -2,757,000 -3,014,000 -2,794,000 -2,680,000 -2,590,000                                                                
      other income
    -42,000 -1,720,000 113,000 359,000  5,725,000 -3,932,000 619,000  -249,000 343,000 -136,000 -293,000 -212,000 -118,000 4,274,000 62,000 28,000 -213,000 -147,000 1,019,000       -428,000    199,000    -819,000  -1,250 -328,000 332,000  -74,750 148,000 59,000 -506,000 20,000 -261,000 -127,000 12,000 -277,000 230,000 -133,000 -167,000 -412,000 -164,000 -120,000 403,000 -489,000 381,000 -299,000 -107,000       -188,000 -494,000 -530,000 -1,450,000 -358,000  104,000 58,000  -23,000 549,000 137,000 128,000 -92,000 -627,000 -288,000 -304,000 -49,000 77,000 -369,000 -369,000 -496,000            
      income before income taxes
    19,328,000 -11,344,000 8,748,000 2,976,000 8,481,000 56,100,000 28,806,000 -16,435,000 -10,538,000 8,813,000 -8,879,000 9,026,000 10,181,000 15,336,000 10,022,000 17,962,000 1,165,000 12,468,000 2,472,000 -641,000 -5,428,000 13,426,000 -4,595,000 -13,823,000 -21,225,000 3,917,000 12,260,000 -11,148,000 -11,625,000 4,578,000 -6,888,000 -2,022,000 -12,616,000 -12,029,000 -17,498,000 -30,921,000 -24,259,000 -19,077,000 -16,254,000 -20,437,000 -24,662,000 -2,322,250 -6,079,000 -267,000 -2,943,000         2,434,000 -985,000 -2,399,000 -8,135,000 6,256,000 4,311,000 1,168,000 -102,000 -2,762,000 1,332,000 4,396,000 2,474,000 3,928,000 -200,000 -3,537,000 -9,926,000 8,584,000 11,894,000 11,210,000 14,281,000 7,932,000 10,167,000 6,075,000 1,347,000 5,168,000 4,119,000 -2,698,000 -4,972,000 -2,392,000 -2,902,000 -2,566,000 1,778,000 -2,071,000 -4,138,000 -4,138,000 -1,668,000 -2,477,000 1,370,000 -7,354,000 -11,582,000 -11,567,000 -13,752,000 -38,030,000 -11,124,000 -13,512,000 -13,441,000 -69,486,000 
      provision for income taxes
    9,680,000 -1,055,000 6,054,000 105,000 2,541,000 17,980,000 7,088,000 -3,903,000 -2,449,000 -75,028,000 -2,384,000 7,471,000 5,088,000 9,205,000 1,282,000 3,122,000 2,694,000 -7,389,000 942,000 1,368,000 696,000 -39,000 786,000 1,578,000 729,000 -1,653,000 603,000 697,000 -319,000 1,248,000 870,000 891,000 1,078,000 -392,000 -1,915,000 579,000 -232,000 -8,634,000 -242,000 242,000 518,000 420,000 -1,268,000 727,000                  10,976,000 1,693,000 -49,000 -2,845,000 3,881,000 -2,777,000     -14,254,000 927,000   -174,000     175,000 -2,750 -11,000      100,000 100,000        500,000   
      income from continuing operations
    9,648,000                                             -4,854,000 1,078,000 -37,062,000 -5,410,000 -2,179,000 36,675,000 -3,404,000 -9,503,000                                                
      income from discontinued operations, net of tax
    -2,339,000                                                   -396,000 15,924,000                                                
      net income
    7,309,000 -54,815,000 2,694,000 2,871,000 5,940,000 38,120,000 21,718,000 -12,532,000 -8,089,000 83,841,000 -6,495,000 1,555,000 5,093,000 6,131,000 8,740,000 14,840,000 -1,529,000 19,857,000 1,530,000 -2,009,000 -6,124,000 13,465,000 -5,381,000 -15,401,000 -21,954,000 5,570,000 11,657,000 -11,845,000 -11,306,000 3,330,000 -7,758,000 -2,913,000 -13,694,000 -11,845,000 -15,583,000 -31,500,000 -24,027,000 -10,443,000 -16,012,000 -20,679,000 -25,180,000 -7,199,000 -4,811,000 -994,000 -2,657,000 -4,854,000 1,078,000 -37,062,000 -5,410,000 -2,360,000 36,766,000 -3,800,000 6,421,000 4,804,000 -8,230,000 17,000 -7,528,000 4,327,000 3,546,000 390,000 516,000 -13,738,000 -361,000 4,445,000 5,319,000 47,000 2,577,000 -7,919,000 -18,843,000 13,209,000 11,965,000 25,464,000 13,354,000 6,639,000 9,417,000 6,249,000 1,116,000 5,041,000 4,016,000 -2,903,000 -5,147,000 -2,840,000 -2,891,000 -2,530,000 1,706,000 -2,146,000 -4,238,000 -4,238,000 -1,768,000 -2,577,000 1,370,000 -7,454,000 -11,682,000 -11,667,000 -13,752,000 -38,030,000 -11,124,000 -14,012,000 -14,809,000 -68,809,000 
      yoy
    23.05% -243.80% -87.60% -122.91% -173.43% -54.53% -434.38% -905.92% -258.83% 1267.49% -174.31% -89.52% -433.09% -69.12% 471.24% -838.68% -75.03% 47.47% -128.43% -86.96% -72.11% 141.74% -146.16% 30.02% 94.18% 67.27% -250.26% 306.63% -17.44% -128.11% -50.21% -90.75% -43.01% 13.43% -2.68% 52.33% -4.58% 45.06% 232.82% 1980.38% 847.69% 48.31% -546.29% -97.32% -50.89% 105.68% -97.07% 875.32% -184.25% -149.13% -546.73% -22452.94% -185.29% 11.02% -332.09% -95.64% -1558.91% -131.50% -1082.27% -91.23% -90.30% -29329.79% -114.01% -156.13% -128.23% -99.64% -78.46% -131.10% -241.10% 98.96% 27.06% 307.49% 1096.59% 31.70% 134.49% -315.26% -121.68% -277.50% -238.91% 14.74% -401.70% 32.34% -31.78% -40.30% -196.49% -16.72% -409.34% -43.14% -84.87% -77.91% -109.96% -80.40% 5.02% -16.74% -7.14% -44.73%     
      qoq
    -113.33% -2134.71% -6.17% -51.67% -84.42% 75.52% -273.30% 54.93% -109.65% -1390.85% -517.68% -69.47% -16.93% -29.85% -41.11% -1070.57% -107.70% 1197.84% -176.16% -67.19% -145.48% -350.23% -65.06% -29.85% -494.15% -52.22% -198.41% 4.77% -439.52% -142.92% 166.32% -78.73% 15.61% -23.99% -50.53% 31.10% 130.08% -34.78% -22.57% -17.88% 249.77% 49.64% 384.00% -62.59% -45.26% -550.28% -102.91% 585.06% 129.24% -106.42% -1067.53% -159.18% 33.66% -158.37% -48511.76% -100.23% -273.98% 22.02% 809.23% -24.42% -103.76% 3705.54% -108.12% -16.43% 11217.02% -98.18% -132.54% -57.97% -242.65% 10.40% -53.01% 90.68% 101.14% -29.50% 50.70% 459.95% -77.86% 25.52% -238.34% -43.60% 81.23% -1.76% 14.27% -248.30% -179.50% -49.36% 0.00% 139.71% -31.39% -288.10% -118.38% -36.19% 0.13% -15.16% -63.84% 241.87% -20.61% -5.38% -78.48%  
      net income margin %
    6.01% 103.38% 1.89% 2.08% 4.46% 17.16% 11.09% -9.03% -6.63% 50.18% -5.11% 1.00% 3.23% 3.73% 5.61% 9.43% -1.04% 12.74% 1.21% -1.77% -5.49% 10.24% -5.67% -20.81% -28.00% 4.56% 10.07% -13.96% -14.11% 2.93% -7.71% -2.94% -15.19% -11.73% -16.94% -38.27% -28.97% -9.23% -15.79% -18.87% -30.77% -8.31% -5.78% -Infinity% -Infinity% -Infinity% Infinity% -Infinity% -Infinity% -Infinity% Infinity% -Infinity% Infinity% Infinity% -Infinity% Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% 
      net income per share
                                                                                 -0.013 0.05 -0.04    -0.03      -0.04    -0.19    -0.24   
      basic:
                                                                                                        
      continuing operations
    0.09                                             -0.06 0.01 -0.39 -0.06 -0.02 0.36 -0.03 -0.08                                                
      discontinued operations
    -0.02                                                    0.14                                                
      basic net income per share
    0.07                                                                                                    
      diluted:
                                                                                                        
      diluted net income per share
    0.07                                                                                                    
      weighted-average common shares:
                                                                                                        
      basic
    109,708 113,660 112,982 113,392 116,319 115,120 116,403 115,030 112,350 111,651 112,031 111,462 110,794 105,080 105,228 104,630                                      116,457 116,517 117,056 117,275 115,175 115,791 114,939 113,836 101,487 100,246 96,998 96,684 95,833 96,104 95,703 95,306 94,535 94,805 94,229 94,052 81,882 80,371 79,361 78,963 74,639   74,102 73,279                 58,540  
      diluted
    110,617 114,182 113,323 113,493 117,021 117,482 117,358 115,030 112,350 117,359 112,031 119,255 117,758 112,378 113,185 108,984                                      116,457 116,517 117,493 117,275 116,427 116,208 116,298 116,109 101,487 100,246 97,570 97,344 95,833 96,732 95,703 95,306 95,434 95,863 95,198 95,212 83,249 81,642 80,480 80,076 75,183   74,102 73,279                 58,540  
      asset impairment and related charges
       1,637,000  610,000 3,103,000                                                                                              
      restructuring and related charges
     -422,000 1,087,000 650,000  1,173,000 281,000 11,482,000 3,037,000  726,000  83,000 1,205,000 335,000 631,000 1,170,000 67,000   43,000 750,000 814,000 82,000 676,000 1,947,000 861,000 276,000 57,000 214,000 987,000 631,000 1,086,000 1,223,000 2,028,000 777,000 1,279,000 10,114,000 -27,000 1,903,000 2,612,000 156,500 397,000 185,000 44,000 205,250 388,000 284,000 149,000 496,000 259,000 242,000 424,000                                                
      net income per share
                                                                                 -0.013 0.05 -0.04    -0.03      -0.04    -0.19    -0.24   
      basic
     0.025 0.02 0.03 0.05 0.33 0.19 -0.11 -0.07  -0.06 0.01 0.05 0.06 0.08 0.14  0.2 0.01   -0.11 -0.06   -0.033 0.13               -0.025 -0.05  -0.03         0.04 -0.07  -0.06 0.04 0.03   -0.14  0.05 0.06  0.03 -0.08 -0.2 0.14 0.13 0.27 0.14 0.08 0.12 0.08 0.01    -0.07    0.02                
      diluted
     0.025 0.02 0.03 0.05 0.32 0.19 -0.11 -0.07  -0.06 0.01 0.04 0.05 0.08 0.14  0.19 0.01   -0.11 -0.06   -0.033 0.12               -0.025 -0.05  -0.03         0.04 -0.07  -0.06 0.04 0.03   -0.14  0.05 0.05  0.03 -0.08 -0.2 0.14 0.12 0.27 0.14 0.07 0.12 0.08 0.01    -0.07    0.02                
      weighted-average shares outstanding:
                                                                                                        
      basic
    109,708 113,660 112,982 113,392 116,319 115,120 116,403 115,030 112,350 111,651 112,031 111,462 110,794 105,080 105,228 104,630                                      116,457 116,517 117,056 117,275 115,175 115,791 114,939 113,836 101,487 100,246 96,998 96,684 95,833 96,104 95,703 95,306 94,535 94,805 94,229 94,052 81,882 80,371 79,361 78,963 74,639   74,102 73,279                 58,540  
      diluted
    110,617 114,182 113,323 113,493 117,021 117,482 117,358 115,030 112,350 117,359 112,031 119,255 117,758 112,378 113,185 108,984                                      116,457 116,517 117,493 117,275 116,427 116,208 116,298 116,109 101,487 100,246 97,570 97,344 95,833 96,732 95,703 95,306 95,434 95,863 95,198 95,212 83,249 81,642 80,480 80,076 75,183   74,102 73,279                 58,540  
      other expense
        -172,000    -289,000             -84,000 -167,000 -373,000 -273,000  -1,594,000  -311,000 162,000 -365,000  -532,000 -394,000 -498,000  -511,000    -9,000                     118,000 -405,000 -126,000 -371,000 -223,250 -212,000      -214,000   7,000                         
      lease-related asset impairment and other charges
           9,000,000                                                                                             
      amortization of intangibles
                        507,000 755,000 752,000 742,000 770,000 782,000 785,000 784,000 788,000 791,000 792,000 800,000 804,000 795,000 793,000 780,000 774,000 796,000 3,009,000 4,232,000 2,365,000 1,445,000 1,446,000 1,446,000 1,446,000 1,446,000 1,661,000 1,718,000 1,950,000 1,997,000 2,001,000 2,010,000 2,088,000 2,157,000 2,179,000 2,190,000 2,179,000 -7,161,000 5,446,000 2,230,000 2,229,000 2,886,000 959,000 534,000 534,000 533,000 1,367,000 1,534,000 389,000 160,000 160,000 160,000 160,000 160,000 143,000 111,000 111,000 44,750 45,000 43,000 91,000 1,239,000 110,000 165,000 958,000 1,933,000 1,933,000 1,933,000 1,933,000 1,933,000 1,933,000 1,933,000  1,933,000 1,933,000 1,933,000 2,828,000 2,828,000   
      net income per share
                                                                                 -0.013 0.05 -0.04    -0.03      -0.04    -0.19    -0.24   
      basic and diluted
                    -0.01   -0.02 -0.06   -0.16 -0.23   -0.13 -0.13 0.04 -0.09 -0.03 -0.16 -0.14 -0.19 -0.39 -0.3 -0.13 -0.21 -0.27 -0.33   -0.01                                      -0.01 -0.04   -0.03 -0.06 -0.06 -0.02  0.04 -0.12 -0.19  -0.23 -0.63 -0.19  -0.648 -1.17 
      shares used in per share calculation:
                                                                                                        
      basic and diluted
                    103,994   101,218 99,868   96,727 95,575   88,931 88,165 427 86,321 85,304 83,912 356 81,445 80,590 79,810 230 78,092 77,342 76,996   88,426    93,966    109,938                                                 
      loss on convertible debt extinguishment
                                                                                                        
      shares used in per share calculation:
                                                                                                        
      basic
                     427 102,099   24,155.75 97,563   22,257.5 89,964               -845 87,991  88,655 -1,605 90,618  97,921 -2,166 101,144  115,219                                                
      diluted
                     5,114 106,421   24,155.75 97,563   22,257.5 97,596               -845 87,991  88,655 -1,605 91,800  97,921 -2,071 102,723  115,219                                                
      loss on debt extinguishment
                         -208,500  -834,000   -5,695,000                                                                          
      product
                                 73,291,000 62,803,000 60,599,000 55,374,000 65,988,000 58,161,000 50,190,000 50,404,000 79,918,000 70,285,000 77,413,000 57,644,000 61,711,000 57,245,000                                                          
      service
                                 40,364,000 37,813,000 38,561,000 34,753,000                                                                    
      services
                                     24,653,750 33,853,000 32,125,000 32,539,000 21,866,750 31,121,000 32,158,000 24,188,000 18,814,750 26,060,000                                                          
      loss on impairment of long-term investment
                                          -1,259,000  -1,476,000    -2,505,000                                                        
      interest income
                                         -2,822,000 -2,734,000 -2,651,000 -2,421,000 -435,000 30,000 17,000 55,000 -59,000 47,000 67,000 77,000 78,000 47,000 30,000 64,000 152,000 128,000 116,000 119,000 118,000 90,000 74,000 92,000 108,000 165,000 425,000 384,000 417,000 583,000 823,000 1,358,000 1,668,000 2,286,000 2,245,000 3,017,000 2,893,000 1,238,000 990,000 996,000 1,267,000 1,182,000 1,175,000 992,000 1,996,000 669,000 636,000 522,000 406,000 392,000 392,000 305,000            
      profit from operations
                                            -20,756,000                                                            
      product revenue
                                               77,447,000 80,473,000 83,815,000 84,583,000 86,528,000 88,260,000 98,633,000 98,713,000 96,777,000 82,475,000 84,422,750 113,769,000 113,555,000 110,367,000 122,369,000 121,954,000 117,156,000 115,867,000 121,491,000 90,597,000 84,261,000                                     
      service revenue
                                               25,656,000 23,543,000 24,060,000 23,478,000 23,061,000 19,772,000 21,589,000 24,205,000 20,351,000 19,197,000 14,836,500 22,913,000 19,079,000 17,354,000 21,261,000 16,917,000 16,840,000 16,968,000 16,704,000 14,187,000 11,283,000 10,388,000 9,621,000 11,308,000 10,780,000 7,849,000     4,699,250 7,300,000 7,216,000                         
      net revenue
                                               103,103,000 104,016,000 81,420,500 108,061,000 109,589,000 108,032,000 85,429,500 122,918,000 117,128,000 101,672,000 99,259,250 136,682,000 132,634,000 127,721,000 143,630,000 138,871,000 133,996,000 132,835,000 138,195,000 104,784,000 95,544,000                                     
      product cost of revenue
                                               35,977,000 35,460,000 37,944,000 41,802,000 47,928,000 44,606,000 49,850,000 52,747,000 48,932,000 45,237,000 48,375,750 64,927,000 64,266,000 66,936,000 84,543,000 62,257,000 65,315,000 64,751,000 70,778,000 53,019,000 46,058,000                                     
      service cost of revenue
                                               12,741,000 13,528,000 13,140,000 12,831,000 11,844,000 11,114,000 10,776,000 13,379,000 10,304,000 10,270,000 8,097,500 11,851,000 10,790,000 7,123,000 8,296,000 7,207,000 6,853,000 6,229,000 6,035,000 4,233,000 3,804,000                                     
      gross profit
                                               54,385,000 55,028,000 56,791,000 53,428,000 49,817,000 52,312,000 59,596,000 56,792,000 57,892,000 46,165,000 65,411,000 59,904,000 57,578,000 53,662,000 66,870,000 63,961,000 61,828,000 61,855,000 61,382,000 47,532,000 45,682,000 40,806,000 39,349,000 36,080,000 33,547,000 25,385,000 48,206,000 44,196,000 42,852,000 42,279,000 40,715,000 35,643,000 30,565,000 27,152,000 30,164,000 29,797,000 21,606,000 19,880,000 72,552,000 21,396,000 23,397,000 27,047,000 39,773,000 20,538,000 20,538,000 22,296,000 21,887,000 22,444,000 14,660,000 12,752,000 10,747,000 9,503,000 9,928,000 19,235,000 15,763,000 16,440,000 -12,404,000 
      benefit from income taxes
                                                -286,000 2,653,000 -4,830,000 28,353,000     -5,467,000 -2,370,000 7,245,000 -2,416,000 -607,000 1,929,000 765,000 778,000 -618,000       4,382,000 8,917,000 -4,625,000 -71,000   1,293,000 750,000  231,000 127,000 103,000 205,000    -36,000 72,000 289,000 100,000 100,000    100,000 100,000 100,000     -543,500 -677,000 
      income from continuing operations before income taxes
                                                 -2,201,000 -3,752,000 -8,709,000 -7,133,000 -1,197,000 -2,278,000 -4,707,000 -14,970,000                                                
      income from discontinued operations, net of taxes
                                                     -181,000 91,000                                                  
      basic net income per share from:
                                                                                                        
      diluted net income per share from:
                                                                                                        
      basic and diluted net income per share from:
                                                                                                        
      (benefit from) benefit from income taxes
                                                    -1,723,000 -11,430,750 -38,953,000 -1,303,000                                                 
      weighted-average shares:
                                                                                                        
      basic
    109,708 113,660 112,982 113,392 116,319 115,120 116,403 115,030 112,350 111,651 112,031 111,462 110,794 105,080 105,228 104,630                                      116,457 116,517 117,056 117,275 115,175 115,791 114,939 113,836 101,487 100,246 96,998 96,684 95,833 96,104 95,703 95,306 94,535 94,805 94,229 94,052 81,882 80,371 79,361 78,963 74,639   74,102 73,279                 58,540  
      diluted
    110,617 114,182 113,323 113,493 117,021 117,482 117,358 115,030 112,350 117,359 112,031 119,255 117,758 112,378 113,185 108,984                                      116,457 116,517 117,493 117,275 116,427 116,208 116,298 116,109 101,487 100,246 97,570 97,344 95,833 96,732 95,703 95,306 95,434 95,863 95,198 95,212 83,249 81,642 80,480 80,076 75,183   74,102 73,279                 58,540  
      weighted-average shares
                                                                                                        
      basic
    109,708 113,660 112,982 113,392 116,319 115,120 116,403 115,030 112,350 111,651 112,031 111,462 110,794 105,080 105,228 104,630                                      116,457 116,517 117,056 117,275 115,175 115,791 114,939 113,836 101,487 100,246 96,998 96,684 95,833 96,104 95,703 95,306 94,535 94,805 94,229 94,052 81,882 80,371 79,361 78,963 74,639   74,102 73,279                 58,540  
      diluted
    110,617 114,182 113,323 113,493 117,021 117,482 117,358 115,030 112,350 117,359 112,031 119,255 117,758 112,378 113,185 108,984                                      116,457 116,517 117,493 117,275 116,427 116,208 116,298 116,109 101,487 100,246 97,570 97,344 95,833 96,732 95,703 95,306 95,434 95,863 95,198 95,212 83,249 81,642 80,480 80,076 75,183   74,102 73,279                 58,540  
      product sales
                                                                    74,434,000 77,036,000 72,553,000 70,513,000 59,907,000     51,254,250 74,995,000 64,066,000                         
      net sales
                                                                    84,822,000 86,657,000 83,861,000 81,293,000 67,756,000 96,892,000 91,455,000 89,340,000 87,277,000 87,390,000 82,295,000 71,282,000 70,236,000 75,338,000 62,856,000 53,270,000 56,221,000 196,418,000 60,960,000 59,762,000 72,915,000 85,579,000 50,610,000 50,610,000 57,011,000 55,106,000 56,329,000 47,253,000 41,653,000 37,041,000 39,272,000 37,019,000 56,309,000 54,032,000 56,733,000 57,473,000 
      product cost of sales
                                                                    41,010,000 44,117,000 44,477,000 43,458,000 38,681,000     30,386,750 43,131,000 37,501,000                         
      service cost of sales
                                                                    3,006,000 3,191,000 3,304,000 4,288,000 3,690,000     2,226,750 3,521,000 3,216,000                         
      total cost of sales
                                                                    44,016,000 47,308,000 47,781,000 47,746,000 42,371,000     32,613,500 46,652,000 40,717,000                         
      cost of sales
                                                                         48,686,000 47,259,000 46,488,000 44,998,000    43,084,000 45,174,000 33,059,000 31,664,000 36,341,000 123,866,000 39,564,000 36,365,000 45,868,000 45,806,000 30,072,000 30,072,000 34,715,000 33,219,000 33,885,000 32,593,000 28,901,000 26,294,000 29,769,000 27,091,000 37,074,000 38,269,000 40,293,000 69,877,000 
      write-off of acquired in-process technology
                                                                              700,000                          
      weighted-average shares — basic
                                                                                  74,588                      
      weighted-average shares — diluted
                                                                                  75,050                      
      weighted-average shares basic and diluted
                                                                                   74,167    73,112      71,713    60,456    59,476   
      weighted-average shares
                                                                                                        
      basic and diluted
                                                                                      73,554    72,246 72,246 71,832  62,288 60,813 60,462  59,779 60,023 59,552   58,908 
      shares used to compute net income per share:
                                                                                                        
      basic
                                                                                        72,839                
      diluted
                                                                                        74,375                
      interest and other income
                                                                                             413,000 532,000 257,000 438,000 185,000 242,000 406,000 290,000 -7,000 272,000 -112,000 
      amortization of goodwill and other intangibles
                                                                                                      3,019,000 3,472,000 
      acquired in-process technology
                                                                                                        
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-04-03 2025-12-31 2025-09-26 2025-06-27 2025-03-28 2024-12-31 2024-09-27 2024-06-28 2024-03-29 2023-12-31 2023-09-29 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-07-01 2022-04-01 2021-12-31 2021-10-01 2021-07-02 2021-04-02 2020-12-31 2020-09-25 2020-06-26 2020-03-27 2019-12-31 2019-09-27 2019-06-28 2019-03-29 2018-12-31 2018-09-28 2018-06-29 2018-03-30 2017-12-31 2017-09-29 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-07-01 2016-04-01 2015-12-31 2015-10-02 2015-07-03 2015-04-03 2014-12-31 2014-09-26 2014-06-27 2014-03-28 2013-12-31 2013-09-27 2013-06-28 2013-03-29 2012-12-31 2012-09-28 2012-06-29 2012-03-30 2011-12-31 2011-09-30 2011-07-01 2011-04-01 2010-12-31 2010-10-01 2010-07-02 2010-04-02 2009-12-31 2009-10-02 2009-07-03 2009-04-03 2008-12-31 2008-09-26 2008-06-27 2008-03-28 2007-12-31 2007-09-28 2007-06-29 2007-03-30 2006-12-31 2006-09-29 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-07-01 2005-04-01 2004-12-31 2004-10-01 2004-07-02 2004-04-02 2003-12-31 2003-09-26 2003-06-27 2003-03-28 2002-12-31 2002-09-27 2002-06-28 2002-03-29 2001-12-31 2001-09-28 
                                                                                                         
        assets
                                                                                                         
        current assets:
                                                                                                         
        cash and cash equivalents
      109,000,000 124,105,000 127,376,000 123,918,000 148,708,000 101,457,000 58,174,000 45,850,000 84,305,000 84,269,000 75,622,000 71,031,000 90,877,000 89,586,000 105,280,000 121,819,000 100,739,000 133,431,000 128,434,000 115,177,000 100,777,000 98,645,000 70,817,000 77,744,000 71,712,000 93,058,000 66,695,000 58,064,000 69,916,000 65,989,000 61,654,000 54,098,000 52,045,000 57,024,000 50,039,000 52,885,000 55,292,000 55,635,000 44,741,000 51,516,000 56,995,000 126,190,000 61,571,000 76,049,000 79,656,000 73,032,000 42,028,000 59,173,000 69,192,000 90,329,000 93,330,000 83,203,000 118,464,000 96,670,000 103,235,000 92,446,000 81,019,000 90,983,000 75,235,000 70,370,000 59,672,000 96,533,000 70,523,000 187,893,000 155,960,000 152,477,000 149,975,000 125,677,000 110,891,000 179,891,000 169,593,000 172,668,000 182,375,000 129,005,000 40,993,000 21,421,000 26,565,000 33,454,000 50,404,000 49,970,000 41,123,000 37,818,000 32,804,000 21,739,000 31,661,000 26,603,000 20,431,000 15,353,000 36,826,000 41,877,000 15,380,000 22,867,000 27,075,000 21,542,000 28,334,000 37,848,000 37,274,000 36,005,000 28,253,000 
        accounts receivable
      83,499,000 85,935,000 104,542,000 120,665,000 98,568,000 178,013,000 173,730,000 119,999,000 105,854,000 141,531,000 110,345,000 119,203,000 88,135,000 108,427,000 105,581,000 106,351,000 115,594,000 88,529,000 75,442,000 100,599,000 85,704,000 66,227,000 81,353,000 74,781,000 93,058,000 88,500,000 100,905,000 70,571,000 58,930,000 81,795,000 77,986,000 82,635,000 74,760,000 69,844,000 71,582,000 60,427,000 69,771,000 86,765,000 99,078,000 102,668,000 95,477,000 69,515,000 64,128,000 76,079,000 75,864,000 74,144,000 75,640,000 79,937,000 77,515,000 75,052,000 85,069,000 86,248,000 95,692,000 85,920,000 94,638,000 102,748,000 111,753,000 109,886,000 116,429,000 117,861,000 111,929,000 101,652,000 92,438,000 71,363,000 70,041,000 64,838,000 70,347,000 64,503,000 52,698,000 63,923,000 75,949,000 59,205,000 56,812,000 69,302,000 69,339,000 62,476,000 58,421,000 64,674,000 52,423,000 35,493,000 43,329,000 43,433,000 48,204,000 48,190,000 55,777,000 64,148,000 43,287,000 39,103,000 32,360,000 38,528,000 32,150,000 34,775,000  25,380,000 23,426,000 38,473,000 45,602,000 34,402,000 41,129,000 
        inventories
      51,200,000 47,840,000 68,604,000 71,138,000 62,055,000 64,004,000 73,864,000 84,133,000 86,631,000 83,982,000 103,748,000 113,587,000 131,642,000 120,949,000 99,024,000 82,636,000 81,816,000 71,195,000 51,856,000 43,031,000 35,539,000 35,031,000 36,802,000 32,097,000 34,854,000 29,042,000 28,970,000 27,659,000 29,325,000 25,638,000 23,333,000 22,994,000 25,074,000 25,976,000 31,754,000 35,130,000 39,920,000 41,193,000 35,828,000 36,624,000 42,415,000 38,819,000 39,873,000 32,499,000 31,518,000 32,747,000 32,512,000 30,170,000 30,304,000 36,926,000 40,369,000 44,381,000 46,385,000 64,270,000 68,269,000 68,007,000 65,545,000 70,649,000 65,155,000 61,064,000 58,817,000 58,065,000 57,176,000 42,816,000 39,609,000 35,066,000 30,720,000 34,363,000 38,213,000 26,875,000 32,530,000 32,124,000 33,086,000 34,251,000 36,341,000 42,508,000 46,685,000 42,116,000 35,635,000 30,961,000 31,208,000 38,552,000 43,064,000 42,620,000 43,237,000 41,763,000 37,988,000 30,359,000 28,323,000 22,425,000 21,205,000 21,644,000  25,904,000 32,034,000 27,847,000 26,126,000 30,944,000 35,424,000 
        prepaid expenses and other current assets
      17,182,000 12,530,000 26,509,000 26,780,000 31,031,000 22,270,000 30,273,000 31,742,000 24,019,000 20,950,000 33,117,000 27,695,000 27,451,000 26,337,000 26,798,000 27,620,000 27,251,000 29,972,000 35,443,000 42,314,000 38,647,000 38,132,000 25,071,000 23,255,000 32,001,000 40,762,000 40,317,000 29,209,000 22,900,000 23,280,000 24,226,000 19,377,000 29,967,000 18,931,000 22,682,000 24,318,000 27,368,000 26,319,000 38,519,000 43,317,000 42,318,000 25,003,000 31,709,000 28,860,000 30,526,000 17,539,000 26,852,000 23,766,000 28,216,000 21,521,000 14,757,000 19,727,000 28,977,000 23,636,000 19,178,000 24,050,000 18,893,000 21,474,000 22,133,000 26,399,000 28,218,000 28,614,000 24,873,000 25,234,000 24,043,000 20,821,000 15,561,000 16,369,000 14,703,000 15,985,000 11,692,000 14,410,000 12,116,000 17,489,000 11,911,000 16,387,000 10,804,000 12,807,000 16,104,000 11,932,000 8,220,000 8,335,000 7,205,000 7,087,000 9,479,000 8,504,000 10,262,000 7,765,000 6,134,000 6,196,000 4,667,000 3,554,000        
        assets held for sale
      224,374,000 223,961,000                                                                                                  
        total current assets
      485,255,000 494,371,000 327,031,000 342,857,000 340,692,000 366,076,000 336,368,000 284,551,000 300,809,000 330,732,000 329,137,000 331,516,000 338,105,000 345,299,000 336,683,000 338,426,000 325,400,000 323,127,000 291,175,000 301,121,000 260,667,000 238,035,000 214,043,000 207,877,000 231,625,000 251,362,000 236,887,000 185,503,000 181,071,000 196,702,000 187,199,000 179,104,000 181,846,000 171,775,000 176,057,000 172,760,000 192,351,000 216,835,000 226,097,000 247,885,000 256,443,000 286,131,000 226,646,000 245,896,000 243,142,000 232,684,000 234,814,000 275,030,000 309,605,000 328,730,000 329,635,000 332,182,000 419,453,000 396,872,000 403,964,000 402,503,000 394,547,000 391,878,000 384,449,000 379,471,000 356,099,000 348,551,000 324,528,000 443,837,000 427,994,000 418,298,000 405,976,000 404,236,000 403,832,000 470,330,000 440,544,000 410,490,000 384,410,000 393,808,000 216,622,000 203,590,000 198,766,000 211,968,000 214,886,000 191,920,000 191,315,000  203,356,000 196,061,000 213,047,000  180,917,000 169,427,000 175,183,000           
        property and equipment
      24,670,000 25,648,000 27,768,000 28,027,000 26,635,000 26,823,000 28,396,000 29,603,000 35,239,000 36,683,000 36,960,000 37,626,000 38,936,000 39,814,000 40,431,000 41,604,000 42,577,000 42,721,000 43,848,000 44,374,000 43,136,000 43,141,000 41,915,000 41,341,000 37,091,000 22,928,000 18,901,000 19,312,000 20,976,000 22,321,000 24,151,000 25,631,000 27,703,000 29,265,000 30,731,000 31,624,000 31,733,000 32,164,000 35,145,000 36,517,000 36,781,000 27,012,000 26,619,000 27,087,000 27,140,000 27,221,000 30,814,000 32,781,000 34,103,000 34,945,000 35,551,000 37,436,000 37,201,000 38,122,000 39,121,000 39,568,000 40,439,000 40,469,000 39,379,000 39,678,000 39,597,000 39,825,000 38,752,000 42,962,000 28,750,000 25,941,000 19,323,000 19,759,000 19,824,000 15,428,000 14,894,000 14,681,000 14,141,000 14,082,000 14,084,000 14,011,000 14,620,000 14,816,000 14,943,000 15,431,000 16,463,000 17,040,000 18,103,000 19,047,000 19,809,000 19,611,000 19,780,000 21,131,000 22,555,000 23,458,000 25,159,000 27,295,000  32,456,000 35,705,000 38,629,000 42,073,000 45,755,000 46,658,000 
        operating lease right-of-use assets
      12,746,000 13,687,000 12,148,000 11,817,000 12,912,000 12,411,000 13,471,000 15,244,000 19,420,000 20,817,000 21,604,000 23,138,000 24,347,000 25,469,000 25,258,000 27,183,000 29,556,000 30,968,000 29,216,000 30,175,000 25,751,000 27,556,000 24,531,000 25,292,000 26,281,000 27,491,000 27,694,000 30,386,000 21,616,000                                                                       
        goodwill
      60,881,000 60,900,000 241,767,000 241,718,000 238,200,000 236,876,000 239,597,000 237,884,000 238,287,000 239,150,000 237,161,000 238,709,000 238,433,000 237,739,000 233,874,000 236,931,000 239,631,000 240,213,000 241,302,000 242,248,000 241,847,000 243,674,000 241,425,000 239,816,000 238,614,000 239,780,000 238,734,000 240,335,000 239,848,000 240,618,000 241,512,000 241,176,000 243,805,000 242,827,000 241,932,000 240,570,000 237,911,000 237,279,000 239,880,000 235,369,000 237,899,000 197,781,000 197,825,000 197,903,000 197,776,000 197,884,000 198,007,000 198,099,000 198,036,000 198,022,000 197,956,000 197,857,000 197,820,000 212,518,000 212,523,000 212,440,000 212,485,000 212,417,000 212,443,000 212,210,000 212,214,000 211,878,000 212,475,000 64,603,000 64,637,000 63,953,000 64,147,000 63,662,000 62,730,000 41,674,000 42,613,000 42,806,000 45,811,000 45,793,000 46,222,000 37,204,000 37,148,000 37,141,000                      
        deferred income taxes
      102,050,000 104,043,000 115,454,000 121,364,000 120,472,000 121,028,000 107,380,000 112,906,000 108,418,000 104,707,000                                     2,631,000 6,746,000 25,831,000 24,650,000 20,144,000 20,145,000 20,145,000 21,870,000 29,897,000 29,897,000 29,897,000 28,032,000 39,849,000 39,849,000 39,849,000 39,849,000 39,923,000 26,503,000 26,503,000 26,503,000 36,384,000 36,384,000 36,384,000 36,384,000 26,964,000 16,542,000 3,506,000 3,506,000                     2,785,000 4,219,000 7,019,000 9,065,000 27,984,000 
        other non-current assets
      19,704,000 19,834,000 34,427,000 37,564,000 34,837,000 33,292,000 34,649,000 33,508,000 38,497,000 36,117,000 48,949,000 59,363,000 63,994,000 61,697,000 61,625,000 54,315,000 63,281,000 56,657,000 38,325,000 33,322,000 38,308,000 38,609,000                                                                              
        total assets
      705,306,000 718,483,000 758,595,000 783,347,000 773,748,000 796,506,000 759,861,000 713,696,000 740,670,000 768,206,000 673,811,000 690,352,000 703,815,000 710,018,000 697,871,000 698,459,000 700,445,000 693,686,000 643,866,000 651,240,000 609,709,000 591,523,000 559,422,000 557,521,000 576,275,000 587,327,000 568,206,000 526,721,000 514,177,000 510,835,000 506,424,000 505,784,000 516,234,000 508,059,000 511,962,000 508,016,000 530,699,000 554,069,000 565,461,000 588,044,000 610,693,000 524,957,000 466,908,000 489,218,000 486,847,000 480,518,000 489,722,000 532,443,000 574,749,000 606,084,000 617,153,000 626,990,000 715,144,000 717,531,000 723,500,000 729,737,000 730,055,000 734,166,000 733,440,000 736,361,000 720,598,000 720,386,000 703,205,000 595,177,000 568,078,000 556,304,000 536,155,000 538,037,000 540,508,000 564,363,000 539,620,000 490,659,000 464,901,000 475,779,000 300,353,000 270,703,000 267,519,000 281,962,000 237,067,000 214,673,000 215,162,000 226,297,000 230,044,000 224,425,000 242,540,000 242,356,000 211,760,000 205,117,000 215,775,000 224,726,000          
        liabilities and stockholders’ equity
                                                                                                         
        current liabilities:
                                                                                                         
        current portion of long-term debt
      2,944,000 2,944,000 2,944,000 2,694,000 2,444,000 2,194,000 1,944,000 944,000                                                                      460,000 596,000 693,000 751,000 812,000 853,000 888,000 967,000 1,067,000 915,000 957,000 882,000 1,027,000 1,342,000 1,581,000  1,862,000 2,863,000 1,664,000 1,424,000 1,281,000 1,075,000 
        accounts payable
      34,973,000 23,093,000 23,270,000 40,666,000 27,332,000 35,250,000 42,480,000 30,017,000 43,844,000 38,562,000 47,123,000 37,108,000 55,404,000 67,455,000 60,892,000 38,515,000 52,524,000 64,429,000 32,352,000 37,625,000 36,148,000 23,543,000 31,555,000 27,235,000 45,159,000 40,933,000 31,227,000 31,849,000 25,436,000 33,778,000 29,354,000 28,992,000 27,573,000 33,112,000 31,839,000 31,322,000 22,340,000 28,892,000 31,407,000 35,794,000 31,774,000 19,364,000 16,626,000 21,286,000 18,497,000 15,318,000 21,377,000 24,630,000 19,847,000 22,380,000 19,987,000 22,850,000 22,815,000 25,447,000 30,915,000 29,857,000 31,481,000 30,537,000 30,918,000 30,594,000 22,197,000 26,300,000 28,465,000 28,694,000 21,217,000 22,065,000 15,051,000 13,910,000 13,126,000 13,366,000 12,688,000 11,142,000 11,603,000 20,500,000 15,583,000 16,716,000 25,228,000 33,863,000 22,864,000 16,249,000 16,445,000 19,378,000 19,998,000 13,586,000 23,834,000 22,381,000 15,981,000 13,037,000 15,180,000 14,863,000 12,511,000 9,578,000  7,258,000 11,246,000 10,992,000 10,629,000 10,296,000 14,345,000 
        deferred revenue
      30,265,000 31,519,000 49,522,000 51,188,000 51,090,000 47,069,000 50,891,000 53,142,000 51,500,000 46,217,000 56,325,000 66,218,000 65,606,000 62,383,000 58,023,000 74,599,000 75,474,000 57,226,000 58,106,000 68,392,000 63,851,000 54,294,000 42,729,000 47,605,000 48,719,000 37,117,000 47,873,000 47,330,000 47,422,000 41,592,000 48,679,000 56,278,000 57,629,000 52,429,000 52,811,000 55,165,000 59,072,000 52,414,000 54,319,000 62,679,000 59,747,000 33,856,000 43,350,000 46,922,000 48,124,000  35,095,000 38,017,000 33,528,000  34,115,000 32,976,000 31,575,000  34,660,000 37,140,000 35,803,000 33,095,000 37,125,000 47,617,000 49,815,000 46,279,000 41,412,000 40,049,000 41,391,000 32,855,000 29,905,000 30,834,000 27,646,000 29,909,000 29,378,000 23,426,000 29,710,000 37,865,000 30,794,000 28,844,000 22,527,000 29,052,000 23,019,000 16,518,000 17,241,000 19,687,000 18,552,000 17,391,000 21,693,000 15,469,000 11,671,000 4,991,000 6,986,000 11,712,000          
        operating lease liabilities
      6,413,000 6,433,000 5,961,000 5,794,000 5,679,000 5,675,000 5,971,000 6,166,000                                                                                            
        other current liabilities
      52,908,000 48,288,000 69,647,000 66,306,000 73,567,000 72,440,000 55,091,000 53,284,000 53,045,000 61,024,000 45,786,000 58,460,000 59,269,000 66,724,000 54,378,000 59,615,000 53,072,000 53,644,000 64,963,000 67,829,000 43,986,000 50,333,000                                                                              
        liabilities to be disposed of
      86,740,000 85,671,000                                                                                                  
        total current liabilities
      214,243,000 197,948,000 157,102,000 172,209,000 165,221,000 167,569,000 161,662,000 151,901,000 274,818,000 272,394,000 275,219,000 287,689,000 305,898,000 322,072,000 221,942,000 221,984,000 230,856,000 224,461,000 203,739,000 186,371,000 192,565,000 147,295,000 145,770,000 145,401,000 196,728,000 191,899,000 146,450,000 138,311,000 134,104,000 136,405,000 137,274,000 138,774,000 142,436,000 142,089,000 146,323,000 145,238,000 141,429,000 144,897,000 143,465,000 158,787,000 161,870,000 84,881,000 89,291,000 98,305,000 96,189,000 89,930,000 87,822,000 96,987,000 85,321,000 85,080,000 87,797,000 95,253,000 96,684,000 102,894,000 106,619,000 107,778,000 107,205,000 112,818,000 108,459,000 117,823,000 112,172,000 130,653,000 112,730,000 102,046,000 95,375,000 93,113,000 83,429,000 88,414,000 88,676,000 95,199,000 82,701,000 80,969,000 84,927,000 110,532,000 91,007,000 83,796,000 87,003,000 114,570,000 94,421,000 77,597,000 75,430,000  82,936,000 72,512,000 89,223,000  79,317,000 68,021,000 76,940,000     74,690,000      
        long-term debt
      108,403,000 109,140,000 109,875,000 110,611,000 111,347,000 112,084,000 112,819,000 113,805,000                                                                                            
        operating lease liabilities, non-current
      13,297,000 14,664,000 13,972,000 14,156,000 15,002,000 14,727,000 15,647,000 16,594,000 17,711,000 18,965,000 20,019,000 21,557,000 22,872,000 24,110,000 24,132,000 25,885,000 27,689,000 29,120,000 28,049,000 29,015,000 24,548,000                                                                               
        other non-current liabilities
      14,209,000 13,485,000 26,583,000 27,828,000 27,059,000 28,174,000 31,338,000 33,343,000 28,716,000 29,478,000 27,781,000 27,766,000 27,909,000 28,169,000 27,320,000 29,153,000 31,183,000 31,379,000 26,181,000 22,001,000 20,963,000 20,262,000 41,204,000 41,108,000 41,388,000 41,254,000 39,836,000 41,311,000 30,231,000 18,228,000 18,989,000 19,169,000 21,273,000 22,626,000 21,366,000 16,716,000 16,559,000 18,431,000 17,604,000 15,341,000 16,424,000 9,727,000 10,358,000 11,679,000 11,007,000 10,711,000 17,554,000 17,913,000 11,594,000 11,673,000 11,694,000 11,675,000 11,732,000 11,915,000 12,453,000 10,576,000 9,660,000 9,070,000 7,168,000 6,082,000 6,539,000 4,645,000   2,717,000 4,804,000 4,783,000 5,407,000 5,614,000 8,339,000 8,511,000 8,539,000 6,594,000 8,565,000 8,968,000 7,045,000 6,792,000 5,824,000 7,020,000 9,937,000 10,064,000 10,703,000 11,229,000 11,632,000 11,152,000 8,532,000 5,658,000 5,469,000 5,231,000 4,952,000 4,598,000 1,501,000  1,417,000 1,349,000 1,274,000 1,196,000 1,054,000 929,000 
        total liabilities
      350,152,000 335,237,000 315,584,000 336,945,000 327,618,000 331,248,000 330,924,000 320,888,000 331,516,000 331,332,000 333,011,000 347,551,000 368,029,000 385,512,000 397,250,000 401,623,000 415,792,000 396,890,000 369,070,000 383,916,000 348,375,000 333,221,000 324,884,000 327,239,000 338,176,000 332,471,000 327,156,000 314,655,000 293,616,000 282,585,000 283,395,000 285,049,000 290,261,000 289,716,000 291,364,000 280,435,000 279,291,000 283,428,000 284,008,000 295,967,000 299,420,000 196,789,000 107,040,000 118,002,000 115,323,000 108,705,000 109,575,000 127,634,000 112,268,000 111,918,000 111,646,000 157,474,000 159,085,000 164,118,000 170,192,000 168,696,000 165,933,000 169,850,000 179,386,000 189,931,000 183,846,000 200,183,000 174,604,000 168,481,000 150,629,000 148,831,000 131,487,000 138,285,000 138,556,000 150,046,000 138,569,000 107,205,000 112,852,000 141,366,000 119,344,000 112,284,000 117,595,000 136,828,000 119,391,000 104,231,000 103,512,000  115,280,000 106,626,000 124,264,000  111,342,000 100,596,000 110,355,000     111,571,000      
        commitments and contingencies
                                                                                                         
        stockholders’ equity:
                                                                                                         
        preferred stock, 0.001 par value...
                                                                                                         
        common stock, 0.001 par value...
      108,000 111,000 112,000 113,000 115,000 117,000 117,000 116,000 112,000 112,000 112,000 112,000 111,000 110,000 105,000 105,000 105,000 103,000 103,000 102,000 101,000 98,000 98,000 97,000 97,000 92,000 90,000 89,000 89,000 87,000 87,000 85,000 85,000 83,000 82,000 81,000 81,000 78,000 78,000 78,000 77,000 76,000 87,000 88,000 89,000 88,000 88,000 92,000 96,000 99,000 101,000 101,000 114,000 114,000 116,000 116,000 118,000 116,000 116,000 116,000 115,000 112,000 112,000 98,000 97,000 96,000 96,000 96,000 96,000 95,000 95,000 94,000 94,000 94,000 81,000 79,000 79,000 78,000 75,000 74,000 74,000 74,000    72,000    71,000          
        additional paid-in capital
      2,475,698,000 2,466,177,000 2,458,285,000 2,448,446,000 2,442,010,000 2,432,733,000 2,424,322,000 2,416,152,000 2,410,094,000 2,405,043,000 2,399,282,000 2,389,573,000 2,384,806,000 2,380,651,000 2,375,529,000 2,371,001,000 2,362,873,000 2,387,039,000 2,381,177,000 2,373,851,000 2,365,129,000 2,353,559,000 2,348,638,000 2,342,856,000 2,336,459,000 2,327,359,000 2,323,839,000 2,302,798,000 2,300,259,000 2,296,795,000 2,293,174,000 2,283,649,000 2,280,847,000 2,272,690,000 2,267,213,000 2,260,886,000 2,257,093,000 2,254,055,000 2,249,857,000 2,245,120,000 2,240,830,000 2,236,418,000 2,259,757,000 2,264,312,000 2,265,055,000  2,264,422,000 2,289,187,000 2,309,955,000  2,345,512,000 2,346,784,000 2,429,631,000                                               
        accumulated deficit
      -2,112,344,000 -2,076,406,000 -2,008,215,000 -1,995,193,000 -1,983,872,000 -1,953,495,000 -1,991,615,000 -2,013,333,000 -1,992,339,000 -1,962,575,000 -2,046,416,000 -2,039,921,000 -2,041,476,000 -2,046,569,000 -2,052,700,000 -2,061,320,000 -2,073,288,000 -2,087,957,000 -2,107,814,000 -2,109,344,000 -2,107,335,000 -2,101,211,000 -2,114,676,000 -2,109,295,000 -2,093,894,000 -2,071,940,000 -2,077,510,000 -2,089,167,000 -2,077,322,000 -2,067,416,000 -2,070,746,000 -2,062,988,000 -2,060,075,000 -2,057,812,000 -2,045,967,000 -2,030,384,000 -1,998,884,000 -1,976,222,000 -1,965,779,000 -1,949,767,000 -1,929,088,000 -1,903,908,000 -1,896,709,000 -1,891,898,000 -1,890,904,000 -1,888,247,000 -1,883,393,000 -1,884,471,000 -1,847,409,000 -1,841,999,000 -1,839,639,000 -1,876,405,000 -1,872,605,000 -1,879,026,000 -1,883,830,000 -1,875,600,000 -1,875,617,000 -1,868,089,000 -1,872,416,000 -1,875,962,000 -1,876,352,000 -1,876,868,000 -1,863,130,000 -1,862,769,000 -1,867,214,000 -1,872,533,000 -1,872,580,000 -1,875,157,000 -1,867,238,000 -1,848,394,000 -1,861,603,000 -1,873,568,000 -1,899,032,000 -1,912,386,000 -1,919,025,000 -1,928,442,000 -1,934,691,000 -1,933,708,000 -1,938,750,000 -1,942,766,000 -1,939,863,000 -1,934,715,000 -1,932,699,000 -1,929,808,000 -1,927,279,000 -1,928,984,000 -1,939,142,000 -1,934,903,000 -1,933,135,000 -1,930,558,000 -1,931,928,000 -1,924,474,000  -1,901,125,000 -1,887,373,000 -1,849,343,000 -1,838,219,000 -1,824,207,000 -1,809,398,000 
        accumulated other comprehensive loss
      -8,308,000 -6,636,000 -7,171,000 -6,964,000 -12,123,000 -14,097,000 -3,887,000 -10,127,000 -8,713,000 -5,706,000 -12,178,000 -6,963,000 -7,655,000 -9,686,000 -22,313,000 -12,950,000 -5,037,000       -3,376,000 -6,340,000 -3,065,000 -5,369,000 -1,654,000 -2,465,000      -730,000 -3,002,000 -6,882,000 -7,270,000 -2,703,000 -3,354,000 -546,000 -4,418,000 -3,267,000 -1,286,000 -2,716,000 -1,980,000 -970,000 1,000 -161,000 -209,000 -467,000 -964,000 -1,081,000 -465,000 -517,000 -922,000 -537,000 -875,000 -646,000 -192,000 -269,000 -712,000 -482,000 -1,096,000 -388,000 -35,000   -431,000 -620,000 -1,120,000 -180,000  -170,000 -106,000 -210,000 -88,000 -99,000 -168,000 -270,000 -395,000 -467,000 -478,000 -158,000 -344,000               
        total stockholders’ equity
      355,154,000 383,246,000 443,011,000 446,402,000 446,130,000 465,258,000 428,937,000 392,808,000 409,154,000 436,874,000 340,800,000 342,801,000 335,786,000 324,506,000 300,621,000 296,836,000 284,653,000 295,913,000 273,681,000 267,324,000 259,770,000 258,302,000 234,457,000 230,282,000 236,322,000 252,446,000 241,050,000 212,066,000 220,561,000 228,250,000 223,029,000 220,735,000 225,973,000 218,343,000 220,598,000 227,581,000 251,408,000 270,641,000 281,453,000 292,077,000 311,273,000 328,168,000 359,868,000 371,216,000 371,524,000 371,813,000 380,147,000 404,809,000 462,481,000 494,166,000 505,507,000 469,516,000 556,059,000 553,413,000 553,308,000 561,041,000 564,122,000 564,316,000 554,054,000 546,430,000 536,752,000 520,203,000 528,601,000 426,696,000 417,449,000 407,473,000 404,668,000 399,752,000 401,952,000 414,317,000 401,051,000 383,454,000 352,049,000 334,413,000 181,009,000 158,419,000 149,924,000 145,134,000 117,676,000 110,442,000 111,650,000  114,764,000 117,799,000 118,276,000  100,418,000 104,521,000 105,420,000           
        total liabilities and stockholders’ equity
      705,306,000 718,483,000 758,595,000 783,347,000 773,748,000 796,506,000 759,861,000 713,696,000 740,670,000 768,206,000 673,811,000 690,352,000 703,815,000 710,018,000 697,871,000 698,459,000 700,445,000 693,686,000 643,866,000 651,240,000 609,709,000 591,523,000 559,422,000 557,521,000 576,275,000 587,327,000 568,206,000 526,721,000 514,177,000 510,835,000 506,424,000 505,784,000 516,234,000 508,059,000 511,962,000 508,016,000 530,699,000 554,069,000 565,461,000 588,044,000 610,693,000 524,957,000 466,908,000 489,218,000 486,847,000 480,518,000 489,722,000 532,443,000 574,749,000 606,084,000 617,153,000 626,990,000 715,144,000 717,531,000 723,500,000 729,737,000 730,055,000 734,166,000 733,440,000 736,361,000 720,598,000 720,386,000 703,205,000 595,177,000 568,078,000 556,304,000 536,155,000 538,037,000 540,508,000 564,363,000 539,620,000 490,659,000 464,901,000 475,779,000 300,353,000 270,703,000 267,519,000 281,962,000 237,067,000 214,673,000 215,162,000 226,297,000 230,044,000 224,425,000 242,540,000 242,356,000 211,760,000 205,117,000 215,775,000 224,726,000          
        current portion of other borrowings
        5,758,000 5,561,000 5,109,000 4,941,000 5,285,000 8,348,000                                                                                            
        other borrowings
        8,052,000 12,141,000                                                                                                
        restricted cash
         356,000 330,000 332,000 327,000 2,827,000                                                                                   6,554,000         
        other long-term borrowings
          8,989,000 8,694,000 9,458,000 5,245,000                                                                                            
        convertible debt
                       883,000 1,115,000  1,564,000                                                                               
        convertible debt, current
              115,109,000 114,880,000 114,654,000 114,428,000 114,204,000 113,981,000 37,657,000 37,588,000 37,518,000 36,824,000 36,592,000  36,143,000                                                                               
        other debts, current
              4,813,000 4,918,000 4,820,000 4,851,000 4,684,000 4,756,000 4,401,000 4,717,000 4,906,000 4,992,000 5,028,000 5,678,000 5,405,000                                                                               
        operating lease liabilities, current
              6,507,000 6,793,000 6,511,000 6,624,000 6,731,000 6,773,000 6,591,000 6,950,000 7,362,000 7,346,000 6,698,000 6,847,000 7,032,000 7,354,000                                                                              
        other debts, non-current
              10,271,000 10,495,000 9,992,000 10,539,000 11,350,000 11,161,000 10,095,000 11,060,000 12,740,000 12,989,000 13,538,000 13,954,000 15,415,000                                                                               
        short-term investments
                6,305,000                           6,923,000 7,931,000 13,760,000 19,238,000 26,604,000 25,990,000 29,034,000 22,203,000 31,847,000 55,151,000 75,238,000 78,547,000 80,252,000 75,966,000 78,478,000 109,790,000 104,506,000 88,747,000 85,355,000 87,440,000 70,854,000 65,648,000 63,928,000 57,614,000 23,838,000 39,595,000 90,028,000 111,838,000 118,593,000 102,989,000 126,940,000 150,943,000 147,272,000 123,816,000 115,541,000 96,515,000 140,255,000 58,038,000 60,798,000 56,291,000 58,917,000 60,320,000 63,564,000 67,435,000 73,010,000 72,079,000 76,425,000 72,893,000 74,004,000 68,949,000 76,847,000 71,540,000 70,720,000 11,938,000 13,443,000  27,616,000 26,223,000 19,007,000 14,678,000 18,272,000 25,731,000 
        convertible debt, non-current
                    113,761,000 113,541,000 113,324,000 98,941,000 97,563,000 132,575,000 94,884,000                                                                               
        accumulated other comprehensive income
                       -3,272,000 215,000 2,715,000 1,875,000 5,856,000 397,000       -1,216,000 514,000 -11,000 5,116,000 3,382,000                                 160,000 576,000     107,000             -269,000 -111,000 -172,000 -4,000 126,000 72,000 157,000  14,000 81,000 133,000 143,000 159,000 291,000 
        intangibles
                           508,000 1,256,000 1,993,000 2,789,000 4,461,000 6,518,000 8,640,000 10,704,000 12,817,000 14,938,000 17,010,000 19,233,000 21,279,000 23,316,000 25,317,000 27,208,000 29,231,000 33,121,000 39,638,000 46,042,000 4,097,000 5,628,000 7,160,000 8,692,000 10,599,000 12,740,000 18,252,000 24,453,000 31,119,000 37,878,000 44,642,000 51,414,000 58,447,000 65,647,000 72,874,000 80,111,000 87,651,000 95,303,000 102,979,000 110,700,000 118,070,000 125,461,000 20,033,000 22,649,000 25,265,000 27,947,000 31,524,000 35,283,000 12,069,000 13,598,000 14,640,000 16,219,000 17,844,000 19,522,000 14,483,000 15,559,000 16,634,000                      
        convertible notes, short-term
                            7,972,000 7,855,000 44,008,000 43,375,000                                                                          
        other debts and finance lease obligations, current
                           11,771,000 11,402,000 6,323,000 6,343,000 6,713,000 6,962,000 1,379,000 7,124,000                                                                       
        convertible notes, long-term
                           129,507,000 128,018,000 126,554,000 89,832,000 88,629,000 130,217,000 118,070,000 116,413,000 114,808,000 113,230,000 111,702,000 110,201,000 108,748,000 107,318,000 105,935,000 104,575,000 103,259,000 101,964,000 100,712,000 99,482,000                                                           
        other debts and finance lease obligations, long-term
                           10,086,000 9,707,000 13,994,000 10,048,000 10,511,000 10,384,000 16,697,000 12,402,000                                                                       
        operating lease liabilities, long-term
                           26,071,000                                                                              
        convertible notes
                            81,000  1,777,000 2,410,000                                                                          
        other long-term assets
                            36,252,000 41,202,000 39,875,000 41,305,000 39,472,000 42,545,000 39,962,000 38,377,000 38,624,000 42,863,000 43,647,000 42,913,000 39,926,000 37,745,000 41,496,000 38,560,000 31,218,000 28,635,000 33,528,000                                                           
        income taxes payable
                            826,000 1,017,000 419,000 1,226,000 1,128,000 989,000 884,000 1,099,000 830,000 560,000 481,000 233,000 1,411,000 1,349,000 1,153,000 1,166,000 545,000 139,000 314,000 307,000 176,000 112,000 320,000 893,000 307,000 664,000 98,000 331,000 577,000 496,000  1,797,000 1,122,000 527,000 871,000 2,290,000 655,000 126,000 781,000 6,791,000 2,808,000 2,583,000 1,675,000 609,000 2,357,000 4,926,000 2,365,000 1,434,000 46,000 467,000 508,000 481,000 726,000 480,000 274,000 7,098,000 6,952,000 6,856,000 6,586,000 6,480,000 6,365,000 6,510,000 6,476,000 7,099,000 6,914,000 6,884,000 6,924,000 6,935,000 7,120,000 7,179,000  6,900,000 5,941,000 6,047,000 6,064,000 2,804,000 22,039,000 
        accrued and other current liabilities
                            51,286,000 55,366,000 52,080,000 62,535,000 59,260,000 56,764,000 53,238,000 52,761,000 50,734,000 51,221,000 49,202,000 48,705,000 52,828,000 50,272,000 52,062,000 55,150,000                                                              
        income taxes payable, long-term
                            185,000 182,000 180,000 178,000 269,000 266,000 466,000 460,000 747,000 1,086,000 927,000 917,000 591,000 2,996,000 2,961,000 2,926,000 2,863,000 3,980,000 3,933,000 3,886,000 4,296,000 4,923,000 5,032,000 4,969,000 4,199,000 12,734,000 15,353,000 15,165,000 12,155,000 50,546,000 50,669,000 49,309,000 46,972,000 46,492,000 47,809,000 47,307,000 49,855,000 48,622,000 48,139,000 48,883,000 41,768,000 39,884,000 41,391,000 43,948,000 43,018,000 42,558,000 40,910,000 41,555,000 40,773,000 9,668,000 9,210,000 8,908,000  8,040,000 8,660,000                       
        other debts and capital lease obligations, current
                                   7,175,000 7,677,000 1,723,000 7,551,000 7,610,000 7,434,000 7,130,000 6,802,000 7,275,000 6,825,000 7,829,000 8,843,000                                                           
        other debts and capital lease obligations, long-term
                                   12,684,000 13,155,000 14,318,000 15,424,000 15,336,000 15,439,000 9,292,000 13,767,000 13,915,000 15,949,000 16,190,000 16,464,000                                                           
        deferred tax liabilities, long-term
                                        327,000 258,000   2,163,000 957,000 1,247,000  3,095,000 3,095,000 3,095,000 3,095,000                                                      
        accrued liabilities
                                            50,369,000 52,346,000 61,192,000 31,354,000 29,139,000 29,985,000 29,248,000 35,118,000 31,043,000 33,676,000 31,848,000 35,349,000 33,118,000 38,931,000 42,294,000 42,415,000 39,922,000 40,254,000 39,050,000 46,896,000 39,761,000 39,486,000 39,379,000 51,283,000 40,045,000 30,720,000 31,092,000 37,584,000 36,116,000 38,744,000 45,539,000 50,490,000 40,589,000 45,934,000 43,106,000 51,686,000 43,904,000 37,756,000 38,974,000 44,097,000 40,990,000 37,281,000 34,407,000 37,438,000 37,168,000 34,137,000 36,253,000 51,894,000 43,836,000 42,152,000 46,968,000 49,820,000 53,096,000 59,336,000  58,670,000 58,354,000 58,069,000 57,905,000 57,474,000 47,066,000 
        deferred tax assets, short-term
                                                   3,375,000                                                      
        other assets
                                               9,936,000 10,190,000 11,172,000 10,097,000 12,130,000 13,347,000 8,281,000 8,552,000 13,268,000 16,133,000 14,873,000 9,256,000 11,572,000 2,245,000 2,352,000 2,473,000 1,751,000 1,866,000 2,023,000 1,988,000 2,062,000 1,989,000 23,742,000 24,048,000 22,847,000 18,762,000 18,856,000 18,839,000 24,862,000 27,971,000 8,042,000 4,320,000 4,252,000 3,903,000 1,415,000 1,426,000 1,403,000                      
        convertible debt, long-term
                                               98,295,000                                                          
        deferred income taxes, short-term
                                                3,375,000 3,375,000 3,375,000                                                       
        deferred revenues
                                                   38,601,000    27,020,000    33,235,000                                              
        capital in excess of par value
                                                   2,261,952,000    2,336,275,000    2,432,790,000 2,437,539,000 2,437,447,000 2,440,158,000 2,433,164,000 2,427,000,000 2,422,468,000 2,413,258,000 2,397,671,000 2,392,101,000 2,290,463,000 2,284,954,000 2,279,945,000 2,276,992,000 2,274,237,000 2,269,525,000 2,263,236,000 2,263,679,000 2,257,108,000 2,250,880,000 2,246,875,000 2,100,059,000 2,086,992,000 2,084,624,000 2,078,863,000 2,056,519,000 2,053,404,000 2,051,834,000 2,048,090,000 2,047,867,000 2,047,691,000 2,045,826,000 2,039,738,000 2,039,599,000 2,039,524,000 2,038,487,000 2,036,522,000 1,964,956,000 1,964,120,000  1,963,234,000 1,963,230,000 1,961,863,000 1,961,539,000 1,959,043,000 1,958,800,000 
        deferred income taxes, long-term
                                                            4,148,000 3,850,000 1,259,000 655,000 12,570,000 15,635,000 15,635,000 14,849,000 15,633,000           3,454,000                          
        accrued excess facility costs, long-term
                                                                1,334,000 1,769,000 1,361,000 1,153,000                                34,754,000      
        financing liability, long-term
                                                                     24,323,000 11,127,000 6,908,000                                  
        accrued excess facilities costs, long-term
                                                                      19,000 58,000 257,000 1,906,000 3,356,000 4,953,000 6,584,000 8,029,000 8,667,000 9,907,000  13,403,000 15,140,000 16,434,000 17,889,000 16,536,000 17,717,000 18,357,000 20,458,000 21,693,000 22,903,000 24,085,000 25,463,000 26,191,000 27,603,000 28,627,000 30,106,000 32,407,000        
        other long-term liabilities
                                                                    4,473,000 2,228,000                                    
        deferred taxes, long-term
                                                                              3,454,000                           
        accrued excess facilities costs, non-current
                                                                                11,126,000                         
        income taxes payable, non-current
                                                                                8,243,000                         
        current assets
                                                                                                         
        current liabilities
                                                                                                         
        long-term debt, less current portion
                                                                                    61,000 161,000 301,000 460,000 657,000 789,000 986,000 1,272,000 904,000 915,000 581,000 629,000 468,000 511,000  710,000  1,350,000 1,385,000 1,465,000 1,401,000 
        stockholders’ equity
                                                                                                         
        intangibles and other assets
                                                                                    7,238,000 7,322,000 7,384,000 8,109,000    7,723,000  14,559,000 18,037,000 21,522,000 24,881,000 28,378,000  35,362,000    53,838,000  
        goodwill, intangibles and other assets
                                                                                        8,585,000 9,317,000 9,684,000  11,063,000        38,730,000 42,102,000 47,942,000  73,315,000 
        preferred stock, .001 par value...
                                                                                                         
        common stock, .001 par value...
                                                                                        74,000 74,000 73,000   72,000 72,000  61,000 60,000  60,000 60,000 59,000 59,000 59,000  
        72,256 and 71,240 shares issued and outstanding
                                                                                            72,000             
        stockholders’ equity: preferred stock, .001 par value...
                                                                                                         
        restricted cash, noncurrent
                                                                                                468,000         
        short-term investments:
                                                                                                         
        less than one year
                                                                                                  16,452,000       
        due in 1-2 years
                                                                                                         
        total cash, cash equivalents and short-term investments
                                                                                                  43,527,000       
        in thousands
                                                                                                         
        raw materials
                                                                                                         
        work-in-process
                                                                                                         
        finished goods
                                                                                                         
        prepaid expenses and other assets
                                                                                                   5,494,000 6,749,000 5,901,000 7,049,000 9,775,000 7,083,000 
        current assets: - sum
                                                                                                   173,754,000 193,986,000  227,763,000   
        commitments and contingencies (notes 15, 16 and 17) stockholders’ equity:
                                                                                                         
        accrued excess facilities costs
                                                                                                    35,450,000     
        accrued excess facility costs
                                                                                                     17,699,000 18,619,000 19,563,000 19,949,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-04-03 2025-12-31 2025-09-26 2025-06-27 2025-03-28 2024-12-31 2024-09-27 2024-06-28 2024-03-29 2023-12-31 2023-09-29 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-07-01 2022-04-01 2021-12-31 2021-10-01 2021-07-02 2021-04-02 2020-12-31 2020-09-25 2020-06-26 2020-03-27 2019-12-31 2019-09-27 2019-06-28 2019-03-29 2018-12-31 2018-09-28 2018-06-29 2018-03-30 2017-12-31 2017-09-29 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-07-01 2016-04-01 2015-12-31 2015-10-02 2015-07-03 2015-04-03 2014-12-31 2014-09-26 2014-06-27 2014-03-28 2013-12-31 2013-09-27 2013-06-28 2013-03-29 2012-12-31 2012-09-28 2012-06-29 2012-03-30 2011-12-31 2011-09-30 2011-07-01 2011-04-01 2010-12-31 2010-10-01 2010-07-02 2010-04-02 2009-12-31 2009-10-02 2009-07-03 2009-04-03 2008-12-31 2008-09-26 2008-06-27 2008-03-28 2007-12-31 2007-09-28 2007-06-29 2007-03-30 2006-12-31 2006-09-29 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-07-01 2005-04-01 2004-12-31 2004-10-01 2004-07-02 2004-04-02 2003-12-31 2003-09-26 2003-06-27 2003-03-28 2002-12-31 2002-09-27 2001-12-31 
                                                                                                        
          cash flows from continuing and discontinued operations
                                                                                                        
          cash flows from operating activities:
                                                                                                        
          net income
        7,309,000 -54,815,000 2,694,000 2,871,000 5,940,000 38,120,000 21,718,000 -12,532,000 -8,089,000 83,841,000 -6,495,000 1,555,000 5,093,000 6,131,000 8,740,000                              -2,657,000 -4,854,000 1,078,000 -37,062,000 -5,410,000 -2,360,000 36,766,000 -3,800,000 6,421,000 4,804,000 -8,230,000 17,000 -7,528,000 4,327,000 3,546,000 390,000 516,000 -13,738,000 -361,000 4,445,000 5,319,000 47,000 2,577,000 -7,920,000 -18,843,000 13,209,000 11,965,000 25,464,000 13,354,000 6,639,000 9,417,000 6,249,000 1,116,000  4,017,000 -2,904,000 -5,147,000   -2,530,000 1,706,000 10,158,000    1,370,000 -7,454,000 -11,682,000 -11,667,000   -14,809,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                                                                        
          depreciation
        2,523,000 2,867,000 2,823,000 2,672,000 2,720,000 2,968,000 2,860,000 3,226,000 3,085,000 3,077,000 3,089,000 3,059,000 3,030,000 3,035,000 3,097,000 3,017,000 3,111,000 3,151,000 3,231,000 3,107,000 3,057,000 3,054,000 3,148,000 2,692,000 2,843,000 2,807,000 2,764,000 2,870,000 2,846,000 3,061,000 3,139,000 3,315,000 3,456,000 3,554,000 3,906,000 3,540,000 3,599,000 5,621,000 5,461,000 4,420,000 3,317,000 3,098,000 3,213,000 3,437,000 3,493,000 3,818,000 4,155,000 4,259,000 4,227,000 4,276,000 4,225,000 4,100,000 4,040,000 3,858,000 3,818,000 3,721,000 3,798,000 3,561,000 3,482,000 3,421,000 3,403,000 3,294,000 2,292,000 2,071,000 2,333,000 2,356,000 2,209,000 2,235,000 1,855,000 1,799,000 1,748,000 1,738,000 1,729,000  1,742,000 1,658,000 1,689,000  1,726,000 1,823,000 2,170,000  2,245,000 1,953,000 2,080,000  2,270,000 2,323,000 2,461,000        
          stock-based compensation
        9,811,000 8,396,000 7,324,000 7,697,000 8,465,000 8,486,000 5,710,000 6,954,000 6,923,000 6,605,000 7,241,000 6,059,000 7,424,000 5,591,000 6,460,000 5,575,000 7,586,000 5,193,000 6,434,000 4,031,000 8,398,000 4,303,000 3,930,000 3,548,000 6,259,000 3,355,000 4,096,000 2,510,000 2,113,000 3,087,000 5,433,000 3,012,000 5,757,000 5,503,000 3,720,000 4,136,000 3,251,000 4,518,000 2,680,000 2,768,000 3,094,000 3,737,000 3,827,000 3,884,000 4,134,000 4,567,000 4,352,000 4,561,000 3,807,000 4,136,000 3,945,000 4,022,000 3,986,000 4,804,000 4,620,000 4,702,000 4,800,000 4,814,000 5,005,000 5,092,000 6,002,000 5,359,000 3,517,000 3,420,000 3,243,000 2,942,000 2,694,000 2,569,000 2,374,000 2,336,000 2,220,000 1,730,000 1,520,000 1,721,000 1,689,000 1,577,000 1,209,000  1,246,000 1,503,000 1,627,000 26,000 1,000 3,000 5,000            
          foreign currency remeasurement
        1,076,000 401,000 -150,000 219,000 377,000 -6,198,000 4,044,000 3,577,000 -1,108,000 2,267,000 -1,805,000 -299,000 1,290,000 627,000 -1,632,000 -1,117,000 -563,000 -1,691,000 -1,538,000 712,000 -2,609,000                                                                            
          deferred income taxes
        199,000 11,596,000 -402,000 -3,430,000 712,000 -13,763,000 6,224,000 -5,091,000 -3,806,000 -94,882,000 705,000 774,000 547,000 3,096,000 397,000 774,000 627,000 -7,465,000 287,000 549,000 432,000 -1,632,000 411,000 463,000 653,000 -2,151,000 220,000 393,000 -538,000 -395,000 526,000               381,000 4,375,000 23,897,000 3,510,000 2,110,000 -1,340,000 -9,103,000 -204,000 -6,596,000 297,000 2,592,000 -1,262,000 -98,000 -2,294,000 76,000 -1,418,000 1,365,000 -1,422,000                 -84,000 -146,000    -10,000 -38,000 3,000        
          provision for excess and obsolete inventories
        586,000 481,000 801,000 195,000 1,793,000 7,836,000 983,000 1,395,000 757,000 882,000 3,131,000 1,356,000 2,027,000 1,467,000 716,000 1,067,000 2,738,000 1,611,000 845,000 360,000 644,000 457,000 667,000 489,000 234,000 775,000 320,000 130,000 254,000 390,000 437,000 364,000 458,000 427,000 484,000 4,707,000 387,000 625,000 1,043,000 4,785,000 418,000 351,000 391,000                                                      
          other
        44,000 66,000                                                                                               
          changes in operating assets and liabilities:
                                                                                                        
          accounts receivable
        3,206,000 -20,213,000 16,054,000 -21,542,000 79,609,000 -6,630,000 -52,376,000 -14,422,000 35,187,000 -31,125,000 7,165,000 -31,790,000 20,277,000 -1,021,000 -729,000 7,093,000 -28,479,000 -14,252,000 24,239,000 -15,951,000 -20,758,000 15,750,000 -7,588,000 18,092,000 -5,068,000 12,133,000 -31,220,000 -11,652,000 22,351,000 -5,115,000 3,987,000 -7,647,000 -5,925,000 1,231,000 -12,112,000 9,091,000 14,388,000 10,306,000 3,131,000 -5,106,000 -10,894,000 -6,845,000 10,662,000 131,000 -1,353,000 -563,000 5,013,000 -3,558,000 -1,927,000 10,218,000 1,080,000 9,498,000 -10,888,000 5,332,000 9,046,000 7,169,000 -1,179,000 4,418,000 1,426,000 -5,932,000 -10,277,000 -9,213,000 -4,002,000 -1,325,000 -5,204,000 5,729,000 -5,876,000 -11,756,000 17,329,000 13,141,000 -16,641,000 -2,395,000 12,424,000 43,000 -6,406,000 -4,081,000 6,253,000  -16,944,000 7,816,000 -186,000  -101,000 7,727,000 9,148,000  -4,132,000 -6,773,000 6,259,000        
          inventories
        -4,713,000 -3,159,000 2,663,000 -8,849,000 2,242,000 1,782,000 10,521,000 642,000 -4,571,000 20,871,000 7,638,000 17,441,000 -10,547,000 -19,479,000 -19,523,000 -3,588,000 -11,841,000 -20,555,000 -9,958,000 -7,706,000 -1,119,000 1,106,000 -5,269,000 2,249,000 -6,281,000 -649,000 -1,730,000 1,717,000 -4,157,000 -3,042,000 -1,003,000 1,576,000 424,000 5,499,000 3,276,000 1,970,000 942,000 -6,332,000 -933,000 3,209,000 -51,000 1,982,000 -7,341,000 -1,370,000 775,000 -791,000 -2,978,000 -521,000 5,900,000 2,781,000 3,342,000 335,000 6,832,000 3,088,000 -4,988,000 714,000 4,189,000 -5,495,000 -4,163,000 -2,262,000 -732,000 -891,000 -3,364,000 -3,212,000 -4,512,000 -4,372,000 3,683,000 3,832,000 4,583,000 5,647,000 -392,000 966,000 1,167,000 2,088,000 6,160,000 4,170,000 -4,553,000  -4,687,000 240,000 7,324,000  -645,000 787,000 -120,000  -6,369,000 -874,000 -5,200,000        
          prepaid expenses and other assets
        -3,802,000 -7,057,000 10,851,000 7,864,000 -8,356,000                  4,503,000 8,603,000 10,579,000 2,356,000 -4,177,000 -2,943,000 1,417,000 720,000 610,000 8,408,000 -6,511,000 -60,000 769,000 9,084,000 -3,151,000 4,046,000 -1,790,000 1,930,000 -6,078,000 5,611,000 -2,182,000 1,427,000 -13,062,000 1,989,000 -2,897,000 4,247,000 -6,671,000 -6,715,000 4,981,000 12,138,000 -8,597,000 -4,531,000 5,031,000 -5,076,000 1,892,000 748,000 4,393,000 1,785,000 998,000 -3,659,000 -1,876,000 1,191,000 -1,101,000 -11,377,000 850,000 -1,310,000 9,524,000 -2,477,000 2,939,000 -2,375,000 5,191,000 -7,153,000 4,505,000 -5,665,000 1,959,000  -4,402,000 -3,914,000 183,000  570,000 -714,000 2,419,000  -2,424,000 -1,655,000 107,000        
          accounts payable
        9,233,000 7,820,000 -16,815,000 11,850,000 -8,820,000 -4,894,000 10,467,000 -14,668,000 5,988,000 -8,752,000 9,921,000 -18,020,000 -12,507,000 4,532,000 24,660,000 -11,095,000 -12,260,000 32,159,000 -4,400,000 1,017,000 13,527,000 -7,126,000 3,916,000 -14,721,000 -242,000 7,925,000 -1,087,000 6,425,000 -8,177,000 5,050,000 155,000 1,523,000 -5,710,000 1,303,000 695,000 8,121,000 -6,687,000 3,288,000 337,000 6,058,000 -3,890,000 2,911,000 -4,643,000 3,035,000 3,380,000 842,000 -3,110,000 4,857,000 -2,533,000 2,055,000 -2,489,000 -133,000 -2,796,000 -5,565,000 1,048,000 -1,620,000 936,000 -367,000 337,000 8,396,000 -3,616,000 -1,182,000 -282,000 1,740,000 -3,356,000 7,014,000 1,140,000 784,000 -3,203,000 678,000 1,546,000 -461,000 -8,897,000 5,088,000 -1,304,000 -8,278,000 -8,635,000  6,615,000 -196,000 -2,933,000  6,412,000 -10,248,000 1,109,000  2,944,000 -2,143,000 317,000        
          deferred revenues
        7,837,000 9,047,000 -1,029,000 -949,000 3,151,000 -4,272,000 -4,117,000 1,108,000 5,071,000 -11,615,000 -10,431,000 -498,000 1,721,000 3,565,000 -17,348,000 -2,015,000 18,408,000 5,036,000 -5,575,000 4,268,000 11,285,000                                                                            
          other liabilities
        -1,619,000 -663,000 -1,114,000 -11,942,000 -4,209,000 18,341,000 -3,770,000 263,000 -7,816,000 14,560,000 -14,285,000 -2,242,000 -10,475,000 8,915,000 -5,057,000 7,769,000 -3,482,000 -13,094,000 -4,564,000 23,378,000 -7,736,000                                                                            
          net cash from operating activities
        31,690,000 12,288,000 23,770,000 -11,697,000 83,605,000 48,531,000 8,720,000 -22,154,000 26,820,000 6,267,000 11,044,000 -16,522,000 6,270,000 19,351,000 -8,219,000 21,826,000 -27,482,000 7,361,000 15,217,000 16,761,000 1,678,000 41,582,000 -3,309,000 11,931,000 -11,041,000 30,154,000 5,787,000 -8,862,000 4,216,000 6,617,000 2,419,000 9,872,000 -6,624,000 9,034,000 -8,584,000 5,710,000 -3,096,000 13,355,000 -4,624,000 -2,885,000 -5,408,000 -2,213,000 -5,024,000 11,560,000 2,028,000 19,848,000 742,000 15,534,000 11,245,000 18,625,000 16,052,000 24,825,000 -5,743,000 20,587,000 22,012,000 20,250,000 7,964,000 24,788,000 11,249,000 16,823,000 -7,683,000 16,625,000 -4,271,000 8,462,000 -2,979,000 20,859,000 3,350,000 -8,395,000 -4,726,000 41,461,000 2,047,000 4,742,000 11,877,000 26,019,000 19,324,000 2,197,000 -12,180,000 8,643,000 -3,327,000 5,865,000 -2,547,000  8,236,000 -7,116,000 7,903,000  -1,813,000 -16,188,000 -4,425,000        
          capital expenditures
        -1,399,000 -2,676,000 -2,732,000 -3,800,000 -1,872,000 -2,346,000 -2,984,000 -1,945,000 -1,911,000 -2,726,000 -1,916,000 -1,502,000 -2,331,000 -1,861,000 -1,885,000 -3,066,000 -2,438,000 -2,405,000 -2,885,000 -4,040,000 -3,645,000 -6,029,000 -5,423,000 -9,529,000 -11,224,000 -5,355,000 -2,034,000 -1,265,000 -1,674,000 -2,341,000 -1,522,000 -1,406,000 -1,775,000 -2,324,000 -3,132,000 -2,726,000 -3,217,000 -3,684,000 -3,715,000 -5,044,000 -2,664,000 -3,963,000 -2,888,000 -3,854,000 -3,651,000 -1,206,000 -2,380,000 -3,048,000 -3,431,000 -3,332,000 -2,494,000 -4,274,000 -2,759,000 -3,142,000 -2,993,000 -3,715,000 -4,896,000 -3,871,000 -3,545,000 -4,957,000 -5,787,000 -16,662,000 -12,022,000 -1,153,000 -1,981,000 -2,330,000 -2,320,000 -1,455,000 -2,497,000 -1,974,000 -2,279,000 -1,796,000 -1,675,000 -1,711,000 -1,072,000 -1,410,000 -1,273,000 -811,000 -1,593,000  -1,303,000 -1,114,000 -1,815,000  -1,131,000 -1,014,000 -1,647,000        
          free cash flows
        30,291,000 9,612,000 21,038,000 -15,497,000 81,733,000 46,185,000 5,736,000 -24,099,000 24,909,000 3,541,000 9,128,000 -18,024,000 3,939,000 17,490,000 -10,104,000 18,760,000 -29,920,000 4,956,000 12,332,000 12,721,000 -1,967,000 35,553,000 -8,732,000 2,402,000 -22,265,000 24,799,000 3,753,000 -10,127,000 2,542,000 4,276,000 897,000 8,466,000 -8,399,000 6,710,000 -11,716,000 2,984,000 -6,313,000 9,671,000 -8,339,000 -7,929,000 -8,072,000 -6,176,000 -7,912,000 7,706,000 -1,623,000 18,642,000 -1,638,000 12,486,000 7,814,000 15,293,000 13,558,000 24,825,000 -10,017,000 17,828,000 18,870,000 17,257,000 4,249,000 19,892,000 7,378,000 13,278,000 -12,640,000 10,838,000 -20,933,000 -3,560,000 -4,132,000 18,878,000 1,020,000 -10,715,000 -6,181,000 38,964,000 73,000 2,463,000 10,081,000 24,344,000 17,613,000 1,125,000 -13,590,000 8,643,000 -4,600,000 5,054,000 -4,140,000  6,933,000 -8,230,000 6,088,000  -2,944,000 -17,202,000 -6,072,000        
          cash flows from investing activities:
                                                                                                        
          purchases of property and equipment
        -1,399,000 -2,676,000 -2,732,000 -3,800,000 -1,872,000 -2,346,000 -2,984,000 -1,945,000 -1,911,000 -2,726,000 -1,916,000 -1,502,000 -2,331,000 -1,861,000 -1,885,000 -3,066,000 -2,438,000 -2,405,000 -2,885,000 -4,040,000 -3,645,000 -6,029,000 -5,423,000 -9,529,000 -11,224,000 -5,355,000 -2,034,000 -1,265,000 -1,674,000 -2,341,000 -1,522,000 -1,406,000 -1,775,000 -2,324,000 -3,132,000 -2,726,000 -3,217,000 -3,684,000 -3,715,000 -5,044,000 -2,664,000 -3,963,000 -2,888,000 -3,854,000 -3,651,000 -1,206,000 -2,380,000 -3,048,000 -3,431,000 -3,332,000 -2,494,000                                              
          net cash from investing activities
        -1,399,000 -2,676,000 -2,732,000 -3,800,000 -1,872,000 -2,346,000 -2,984,000 -1,945,000 -1,911,000 3,579,000 -8,221,000 -1,502,000 -2,331,000 -1,861,000 -1,885,000 4,896,000 -2,438,000 -2,405,000 -2,885,000 -4,040,000 -3,645,000 -6,029,000 -5,423,000 -9,529,000 -11,224,000 -5,355,000 -2,034,000 -1,265,000 -1,674,000 -2,341,000 -1,418,000 -1,406,000 -1,775,000 -2,036,000 -3,132,000 -2,726,000 3,681,000 -2,078,000 -545,000 -3,053,000 -64,802,000 -4,665,000 -917,000 -10,593,000 5,761,000 18,480,000 11,551,000 -99,000 -2,133,000 -8,598,000 -418,000 25,707,000 34,403,000 -18,938,000 -6,835,000 -1,240,000 -20,536,000 -10,314,000 -5,850,000 -10,296,000 -38,871,000 9,473,000 -119,745,000 9,145,000 4,772,000 -18,321,000 20,832,000 20,811,000 -66,234,000 -28,570,000 -9,585,000 -18,948,000 39,151,000 -83,071,000 -2,672,000 -8,088,000 1,225,000 -26,245,000 2,103,000 3,132,000 4,057,000  2,986,000 -4,512,000 -6,810,000  6,827,000 -6,698,000 -2,428,000        
          cash flows from financing activities:
                                                                                                        
          proceeds from long-term debt
        55,000,000 40,000,000 55,000,000                                                                                            
          repayment of long-term debt and other borrowings
        -55,750,000 -40,919,000 -59,431,000                                                                                              
          repurchase of common stock
        -42,951,000 -13,270,000 -15,655,000 -14,023,000 -36,079,000 -8,372,000 -21,675,000     -120,000 -2,872,000 -2,141,000                                                                                
          proceeds from common stock issued to employees
        3,089,000 2,927,000 3,056,000 3,086,000 3,542,000 6,000 3,468,000 -1,000 3,085,000 963,000 -1,000 3,164,000 2,966,000 910,000 2,333,000 3,383,000 5,685,000 245,000 2,227,000 3,000,000 2,833,000 3,426,000 135,000 2,012,000 648,000 1,933,000 19,000 2,347,000 19,000 2,580,000 3,000 2,114,000 708,000 -1,000 1,663,000 2,074,000 -33,000                                                       
          taxes paid related to net share settlement of equity awards
        -3,937,000 -570,000 -589,000 -655,000 -2,551,000 -637,000 -625,000 -839,000 -5,413,000 -850,000 -1,000,000 -1,290,000 -6,353,000 -1,287,000                                                                                   
          net cash from financing activities
        -44,549,000 -14,759,000 -17,748,000 -12,809,000 -36,074,000 -1,287,000 2,941,000 -11,050,000 -23,873,000 -2,007,000 2,468,000 -2,031,000 -3,420,000 -38,134,000 -2,139,000 -893,000 -1,967,000 366,000 1,328,000 1,581,000 4,664,000 -8,311,000 1,255,000 3,217,000 1,730,000 1,281,000 5,364,000 -1,758,000 1,418,000 20,000 6,495,000 -5,763,000 1,899,000 -381,000 8,371,000 -5,873,000 -1,222,000 77,000 -1,798,000 884,000 685,000 71,573,000 -8,382,000 -4,628,000 -1,030,000 -7,035,000 -29,253,000 -25,452,000 -30,267,000 -13,061,000 -5,587,000 -85,794,000 -6,760,000 -8,233,000 -4,529,000 -7,416,000 2,479,000 1,355,000 -402,000 4,133,000 9,570,000 -59,000 6,533,000 14,482,000 1,736,000 4,000 54,000 2,160,000 2,025,000 -2,768,000 4,342,000 4,494,000 2,395,000 145,108,000 2,941,000 770,000 4,056,000 543,000 1,655,000 -147,000 1,833,000  -14,000 1,569,000 3,825,000  17,000 1,441,000 1,765,000        
          effect of exchange rate changes on cash and cash equivalents and restricted cash
        -836,000 1,893,000 151,000 3,542,000 1,590,000 -1,610,000 1,059,000                                                                                          
          net increase in cash and cash equivalents and restricted cash
        -15,094,000 -3,254,000 3,441,000 -24,764,000 47,249,000                                                                                            
          cash and cash equivalents and restricted cash at beginning of period
        124,461,000  101,789,000                                                                                           
          cash and cash equivalents and restricted cash at end of period
        109,367,000  3,441,000 -24,764,000 149,038,000  9,736,000                                                                                          
          cash and cash equivalents
        109,000,000 -3,271,000 3,458,000 -24,790,000 148,708,000 43,283,000 12,324,000                   26,363,000 8,631,000 -11,852,000 69,916,000 4,335,000 7,556,000                                                                  
          restricted cash included in other current assets
        367,000 17,000                                                                                               
          total cash, cash equivalents and restricted cash as shown in the condensed consolidated statement of cash flows
        109,367,000  3,441,000 -24,764,000 149,038,000  9,736,000                                                                                          
          asset impairment and related charges
           -67,000                                                                                           
          impairment of goodwill
                                                                                                        
          purchases of investments
                                                 -4,547,000 -7,728,000   -12,515,000 -14,084,000 -23,991,000 -15,656,000 -13,209,000 -25,908,000 -39,655,000 -36,462,000 -21,007,000 -36,654,000 -31,380,000 -14,155,000 -20,196,000 -41,813,000 -12,422,000 -3,668,000 -35,367,000 -27,981,000 -31,000,000 -9,564,000 -60,657,000 -40,945,000 -38,429,000 -43,449,000 -9,990,000 -107,539,000 -16,741,000 -31,678,000 -22,165,000  -18,630,000 -20,822,000 -18,609,000 -16,126,000 -16,814,000 -10,601,000 -19,787,000 -17,239,000 -10,998,000 -34,659,000 -22,561,000 -64,179,000     -5,500,000 
          proceeds from maturities of investments
                                         3,106,000 1,015,000 5,850,000 5,448,000 7,394,000 3,845,000 10,790,000 6,247,000 9,497,000 17,575,000 12,390,000 15,464,000 15,382,000 12,353,000 13,843,000 20,589,000 16,249,000 12,608,000 18,766,000 7,319,000 18,791,000 13,211,000 4,255,000 4,394,000 6,873,000 -2,728,000 17,562,000 24,835,000 41,292,000 11,640,000                               
          repayment of convertible debt
                                                                                                      
          payments for debt issuance costs
             -5,000 -327,000                                                                                        
          proceeds from other borrowings
                                                                                                     
          cash and cash equivalents and restricted cash, beginning of the year
                                                                                                        
          cash and cash equivalents and restricted cash, end of the year
                                                                                                        
          cash and cash equivalents and restricted cash at end of the year
                                                                                                        
          total cash, cash equivalents and restricted cash as shown in the consolidated statement of cash flows
                                                                                                        
          other adjustments
           10,000 -19,000 134,000 81,000 114,000 240,000 5,000 171,000 -70,000 45,000 94,000 81,000 261,000 77,000 -34,000 104,000 -32,000 143,000                                                                            
          restricted cash
           26,000 330,000 5,000                                                                                          
          restricted cash included in other non-current assets
                                                                                                        
          repayment of long-term debt
            -500,000                                                                                            
          gain on sale of investment in equity securities
                                                                                                        
          other assets
             6,688,000 3,272,000 -1,720,000 -5,041,000 19,319,000 4,104,000 4,626,000 -2,566,000 1,969,000 -9,004,000 2,582,000 -3,949,000 -5,710,000 1,732,000 1,901,000 -1,019,000                                                                            
          proceeds from sales of equity investments
                                                                                                        
          repayment of other borrowings
             -650,000 -3,463,000                                                                                          
          purchases of short-term investments
                                                                                                        
          net decrease in cash and cash equivalents and restricted cash
              9,736,000                                                                                          
          lease related asset impairment and other charges
                                                                                                        
          restricted cash included in prepaid expenses and other current assets
                                      -52,000                                                                  
          repayment of other debts
                 -144,000 -4,569,000 -152,000 -103,000 -87,000 -4,294,000 -99,000 -99,000 -669,000 -5,293,000 -108,000                                                                            
          effect of exchange rate changes on cash and cash equivalents
                -1,000,000 808,000 -700,000 209,000 772,000 4,950,000 -4,296,000 -4,749,000 -805,000 -325,000 -403,000 98,000 -565,000 586,000 550,000          73,000 368,000 499,000 482,000 294,000 -460,000 192,000 -425,000 330,000 -76,000 -155,000 54,000 -135,000 -289,000 -185,000 -2,000 18,000 33,000 80,000 1,000 -106,000 19,000 141,000 -167,000 129,000 -81,000 -132,000 38,000 123,000 -29,000 113,000 -156,000 -46,000 -40,000 62,000 210,000 -65,000 175,000 121,000 5,000 -53,000 -44,000 -21,000 -23,000 10,000  3,000 -3,000 -38,000 29,000 -143,000 137,000 140,000 -120,000 47,000 -28,000 37,000 -40,000 23,000 21,000 -76,000 113,000 -69,000  
          net increase in cash and cash equivalents
                36,000    1,291,000 -15,694,000 -16,539,000 21,080,000 -32,692,000 4,997,000 13,257,000 14,400,000 2,132,000 27,828,000                  -5,479,000 -69,195,000   -3,607,000 6,624,000    -21,137,000 -3,001,000 10,127,000 -35,261,000 21,794,000 -6,565,000 10,789,000     10,698,000 -36,861,000   31,933,000 3,483,000 2,502,000 24,298,000 14,786,000 -69,000,000 10,298,000 -3,075,000 -9,707,000 53,370,000 88,012,000 19,572,000 -5,144,000 -6,889,000  434,000 8,847,000 3,305,000    5,058,000   -21,473,000 -5,051,000   -4,208,000 5,533,000 -6,792,000 -9,514,000  
          cash and cash equivalents at beginning of period
                84,269,000  89,586,000  133,431,000  98,645,000            55,635,000 126,190,000 73,032,000 90,329,000 96,670,000 90,983,000 96,533,000 152,477,000 179,891,000 129,005,000 33,454,000  37,818,000 26,603,000 41,877,000 21,542,000 
          cash and cash equivalents at end of period
                84,305,000  4,591,000 -19,846,000 90,877,000  -16,539,000 21,080,000 100,739,000  13,257,000 14,400,000 100,777,000  -6,927,000           6,985,000 -2,846,000 -2,407,000 55,292,000 10,894,000 -6,775,000 -5,479,000 56,995,000 64,619,000 -14,478,000 -3,607,000 79,656,000 31,004,000 -17,145,000 -10,019,000 69,192,000 -3,001,000 10,127,000 -35,261,000 118,464,000 -6,565,000 10,789,000 11,427,000 81,019,000 15,748,000 4,865,000 10,698,000 59,672,000 26,010,000 -117,370,000 31,933,000 155,960,000 2,502,000 24,298,000 14,786,000 110,891,000 10,298,000 -3,075,000 -9,707,000 182,375,000 88,012,000 19,572,000 -5,144,000 26,565,000  434,000 8,847,000 41,123,000 5,014,000 11,065,000 -9,922,000 31,661,000 6,172,000 5,078,000 -21,473,000 36,826,000 26,497,000 -7,487,000 -4,208,000 27,075,000 -6,792,000 -9,514,000 7,752,000 
          supplemental schedule of non-cash investing activities:
                                                                                                        
          capital expenditures incurred but not yet paid
                396,000 -1,184,000 613,000 308,000 881,000 256,000 195,000 -704,000 1,328,000 -304,000 -85,000 167,000 973,000 -2,129,000 -1,716,000 -2,620,000 7,620,000 1,512,000 465,000 -13,000 91,000                                                                    
          amortization of intangibles
                         507,000 756,000 752,000 807,000 1,655,000 2,077,000 2,080,000 2,079,000 2,083,000 2,086,000 2,087,000 2,095,000 2,099,000 2,090,000 2,088,000 2,075,000 2,069,000 2,125,000 4,389,000 5,539,000 2,783,000 1,531,000 1,532,000 1,532,000 1,907,000 2,142,000 5,512,000 6,200,000 6,666,000 6,760,000 6,764,000 6,772,000 7,033,000 7,200,000 7,227,000 7,238,000 7,539,000 7,653,000 7,675,000 7,721,000 7,371,000 8,521,000 3,673,000 2,615,000 2,616,000 2,682,000 3,577,000 3,759,000 1,886,000 1,529,000 1,542,000 1,579,000 1,625,000  1,510,000 1,076,000 1,075,000  214,000 208,000 250,000 292,000 246,000 335,000 1,730,000 3,474,000 3,473,000 3,474,000 3,473,000        
          amortization of convertible debt discount
                 226,000 226,000 224,000 223,000 274,000 301,000 299,000 297,000 1,623,000 1,592,000 1,561,000 1,532,000                                                                            
          amortization of warrant
                 435,000 435,000 436,000 435,000 434,000 429,000 439,000 439,000 434,000 429,000                                                                            
          provision for expected credit losses and returns
                 988,000 669,000 868,000 253,000 119,000 187,000 300,000 1,348,000 1,093,000 819,000 1,141,000 1,089,000                                                                            
          payment of convertible debt
                                                                                                        
          proceeds from other debts
                 6,000     89,000                                                                              
          cash and cash equivalents, beginning of the year
                                                                                                        
          cash and cash equivalents, end of the year
                                                                                                        
          supplemental disclosure of cash flow information:
                                                                                                        
          income tax payments
                               401,000 408,000 158,000 120,000 370,000 490,000                             -33,000 1,216,000 2,046,000 4,368,000 443,000 214,000 579,000 191,000 -207,000 184,000 211,000 2,203,000  575,000 266,000 686,000  364,000 705,000 63,000  39,000 35,000 103,000 86,000 83,000 59,000 127,000  92,000 203,000 152,000        
          interest payments
                        1,178,000 853,000 1,182,000 877,000 1,183,000 1,005,000 1,179,000 942,000 1,095,000 828,000 937,000 2,403,000 92,000                                                                    
          supplemental schedule of non-cash investing and financing activities:
                                                                                                        
          proceeds from sales of investments
                                        3,792,000         5,637,000    6,384,000 4,000,000 23,506,000 4,000,000 10,868,000 14,003,000 15,441,000 1,042,000 12,751,000 7,921,000 9,301,000 1,026,000 30,660,000           26,722,000 19,650,000 27,128,000 24,800,000  22,006,000 24,765,000 24,259,000                
          net decrease in cash and cash equivalents
                  4,591,000                        -2,846,000 -2,407,000 -343,000          -17,145,000          -9,964,000 15,748,000                         11,065,000              
          loss on convertible debt extinguishment
                                                                                                        
          proceeds from sale of investment
                                                                                                      
          payment of convertible debt issuance costs
                             -637,000 -35,000 -812,000             -582,000                                                        
          income tax payments (refunds)
                             409,000                                                                       21,000   -2,596,000 
          fair value of 2022 notes used to settle 2020 notes
                                                                                                        
          gains on sale of investment in equity securities
                                                                                                       
          payment of tax withholding obligations related to net share settlements of restricted stock units
                       -390,000 -2,693,000 -445,000 -425,000 -281,000 -913,000 -278,000 -335,000 -220,000 -829,000 -214,000 -450,000 -171,000 -657,000 -64,000 -112,000   -31,000 -343,000 -2,383,000 -331,000 -279,000 -79,000 -955,000 -261,000                                                       
          net loss
                        -1,529,000  1,530,000 -2,009,000 -6,124,000 13,465,000 -5,381,000 -15,401,000 -21,954,000 5,570,000 11,657,000 -11,845,000 -11,306,000 3,330,000 -7,758,000 -2,913,000 -13,694,000 -11,845,000 -15,583,000 -31,500,000 -24,027,000 -10,443,000 -16,012,000 -20,679,000 -25,180,000  -4,811,000                                             -1,768,000 -2,577,000     -13,752,000   
          adjustments to reconcile net loss to net cash from operating activities:
                                                                                                        
          supplemental disclosures of cash flow information:
                                                                                                        
          income taxes, net of refunds
                        1,026,000  757,000 438,000 537,000                                                                            
          proceeds from convertible debt
                                                                                                       
          fair value of warrants issued
                                                                                                        
          amortization of discount on convertible and other debt
                             1,607,000 1,666,000                                                                          
          foreign currency adjustments
                             3,854,000   -2,066,000 1,429,000 -1,394,000 313,000 -638,000  8,000 -1,877,000 835,000                                                                
          provision for doubtful accounts and returns
                                                                                                        
          other non-cash adjustments
                             232,000 59,000 5,000 113,000 75,000 847,000 16,000 287,000 121,000 222,000 -68,000 132,000 147,000 109,000 117,000 72,000 157,000 107,000    102,000 98,000 154,000 261,000 385,000 462,000 878,000 443,000 369,000 408,000 389,000 307,000 318,000 -8,000 237,000 242,000 201,000 121,000 185,000 268,000 509,000 567,000  432,000 937,000 626,000  -816,000 -1,410,000 136,000                        
          payments of convertible debt
                             -7,974,000                                                                         
          repayment of other debts and finance leases
                             -304,000 -5,936,000 -406,000 -526,000 -225,000 -6,065,000 -97,000                                                                    
          amortization of non-cash warrant
                              439,000 434,000 434,000 439,000 13,089,000 23,000 25,000  790,000 284,000 111,000  -378,000 416,000                                                            
          loss on debt extinguishment
                                                                                                      
          provision for doubtful accounts, returns and discounts
                              1,304,000 331,000 331,000                                                                        
          deferred revenue
                              -5,175,000 -1,236,000 12,477,000  3,013,000 239,000 4,750,000  -7,595,000 -631,000 10,009,000  -2,406,000 -4,127,000 5,435,000  -5,918,000 993,000 24,963,000  -4,596,000 -272,000 10,105,000  -3,103,000 4,491,000 6,382,000  1,190,000 1,270,000 2,667,000 -1,973,000 -1,141,000 1,708,000 2,740,000 -3,860,000 -10,398,000 -3,642,000 4,430,000 4,092,000 -3,601,000 -1,850,000 6,445,000 2,959,000 -1,161,000 3,342,000 -3,068,000 534,000 6,279,000 -5,767,000 -7,479,000 6,491,000 2,092,000 6,874,000 -5,252,000  5,722,000 -104,000 -3,144,000  630,000 -3,962,000 8,106,000  6,680,000 -1,995,000 -4,726,000        
          income taxes payable
                              -203,000 587,000 -768,000 -22,000 178,000 -100,000 -192,000 -21,000 -42,000 250,000 253,000 -856,000 -2,350,000 222,000 6,000 694,000 -705,000 -109,000 -13,000 -265,000 -557,000 -314,000 -501,000 1,198,000 -8,854,000 284,000 278,000 -1,337,000 -38,332,000 380,000 -1,257,000 3,017,000 1,078,000 -1,631,000 -929,000 -916,000 998,000 -177,000 -6,748,000 11,121,000 2,107,000 -595,000 -1,616,000 -767,000 -2,044,000 4,047,000 153,000 2,227,000 30,580,000 586,000 264,000 479,000 393,000 -398,000 -266,000  47,000 242,000 77,000  -123,000 -17,000 -566,000  8,000 103,000 -26,000        
          accrued and other liabilities
                              -3,025,000 147,000 -12,083,000 3,126,000 -734,000 -775,000 -9,027,000 1,687,000 -1,851,000 596,000 -933,000 -5,446,000 4,609,000 -3,663,000 -3,999,000 8,797,000 799,000 -8,075,000 1,046,000 1,204,000 -1,932,000 825,000 -6,819,000 3,311,000 -3,092,000 1,822,000 -3,447,000 2,307,000 -5,298,000 -2,730,000 -216,000 4,287,000 253,000 1,650,000 -7,255,000 7,869,000 1,089,000 1,278,000 -9,334,000 11,247,000 -2,221,000 1,146,000 -4,613,000 2,820,000 -3,095,000 -7,814,000 -16,423,000 6,597,000 -6,162,000 3,815,000 -7,592,000 8,292,000 1,812,000 494,000 -5,548,000  66,000 2,273,000 -1,575,000  3,041,000 1,089,000 -16,605,000  2,341,000 -4,432,000 -2,782,000        
          proceeds from other debts and finance leases
                                181,000 4,343,000 160,000                                                                    
          issuance of warrant
                                                                                                       
          fair value of convertible senior notes due 2022 used to settle convertible senior notes due 2020
                                                                                                       
          amortization of discount on convertible debt
                                1,835,000            1,316,000 1,295,000 1,252,000 1,230,000 1,187,000                                                        
          restructuring, asset impairment and loss on retirement of fixed assets
                                8,000 39,000 -16,000 -2,000 103,000 386,000 1,012,000 53,000 40,000 1,341,000 337,000 41,000 187,000 829,000 -211,000 12,000 1,675,000                                                        
          effect of exchange rate changes on cash, cash equivalents and restricted cash
                                -811,000 283,000   -33,000 -183,000 8,000                                                                  
          net increase in cash, cash equivalents and restricted cash
                                -21,346,000 26,363,000 8,631,000 -11,852,000 3,927,000 4,113,000                                                                   
          cash, cash equivalents and restricted cash at beginning of period
                                93,058,000  65,989,000  58,757,000                                                                
          cash, cash equivalents and restricted cash at end of period
                                71,712,000  8,631,000 -11,852,000 69,916,000  7,504,000 2,042,000 52,330,000                                                                
          loss on impairment of long-term investments
                                                                                                        
          cash, cash equivalents and restricted cash, beginning of the year
                                                                                                        
          cash, cash equivalents and restricted cash, end of the year
                                                                                                        
          reconciliation of cash, cash equivalents, and restricted cash to the consolidated balance sheets
                                                                                                        
          restricted cash included in other long-term assets
                                                                                                        
          total cash, cash equivalents and restricted cash
                                 26,363,000 8,631,000 -11,852,000 69,916,000 4,113,000 7,504,000                                                                  
          amortization of discount on convertible debt and issuance cost
                                  1,698,000 1,657,000 1,605,000  1,528,000 1,501,000 1,453,000  1,384,000                                                              
          allowance for doubtful accounts and returns
                                  488,000 83,000 417,000  734,000 -499,000 1,122,000  1,035,000 574,000 2,700,000                                                            
          reconciliation of cash, cash equivalents, and restricted cash to the condensed consolidated balance sheets
                                                                                                        
          provision for non-cash warrant
                                                                                                        
          unrealized foreign exchange loss
                                                                                                        
          gain on pension curtailment
                                                                                                        
          changes in operating assets and liabilities, net of effects of acquisition:
                                                                                                        
          acquisition of business, net of cash and restricted cash acquired
                                                                                                        
          payment of convertible debt issuance cost
                                                                                                        
          proceeds from other debts and capital leases
                                         6,180,000                                                             
          repayment of other debts and capital leases
                                     -564,000 -392,000 -5,728,000 -448,000 -400,000 -358,000 -5,697,000 -953,000 -300,000 -1,514,000 -6,410,000 -114,000                                                        
          net decrease in cash, cash equivalents and restricted cash
                                       2,042,000 -6,427,000                                                                
          loss on impairment of long-term investment
                                             1,259,000 1,476,000 2,505,000                                                    
          acquisition of business, net of cash acquired
                                             -2,680,000 -3,457,000 -69,532,000                                                        
          purchases of long-term investments
                                                 -85,000 -3,526,000                                                   
          decrease in restricted cash
                                                                                                        
          payments for repurchases of common stock
                                                                                                        
          debt issuance costs incurred but not yet paid
                                                                                                        
          excess tax benefits from stock-based compensation
                                                   98,000 -120,000 179,000 110,000 -119,000 -185,000                      -831,000                          
          allowance for doubtful accounts, returns and discounts
                                              525,000 -42,000 739,000  1,289,000 -346,000 -367,000  -716,000 1,136,000 -536,000  99,000 -54,000 1,116,000  -936,000 1,836,000 -684,000                                        
          payments for repurchase of common stock
                                                  -7,836,000 -6,989,000 -5,182,000  -31,656,000 -25,676,000 -29,075,000 -13,033,000 -8,124,000 -86,104,000 -9,268,000  -7,435,000                                          
          increase in other debts and capital leases
                                               5,710,000 262,000                                                        
          gain on sale of discontinued operations, net of tax
                                                         150,000 6,000 137,000 -14,956,000                                            
          changes in assets and liabilities:
                                                                                                        
          proceeds from sale of discontinued operations, net of selling costs
                                                         -12,000 -111,000 -698,000 44,336,000                                            
          proceeds from (repurchases of) common stock issued to employees
                                                   2,459,000 4,032,000   105,000 -1,377,000                                                
          benefit from excess and obsolete inventories
                                                    454,000 556,000 636,000 655,000 722,000                                   -102,000 -51,000    -667,000        
          restructuring, asset impairment and (gain) loss on retirement of fixed assets
                                                                                                        
          benefit from doubtful accounts and sales returns
                                                                                                        
          proceeds from issuance of common stock
                                                         -169,000 2,537,000 310,000 2,508,000 -103,000 2,906,000 -463,000 2,479,000 -600,000 -402,000 4,133,000 9,570,000 -59,000 85,000 2,097,000 1,736,000 4,000 54,000 2,160,000 2,025,000 96,000 3,511,000 2,461,000 2,395,000 145,045,000 2,963,000 792,000 4,537,000  1,872,000 72,000 2,073,000 197,000 175,000 1,863,000 4,243,000 134,000 70,000 1,032,000 1,958,000 71,562,000 826,000     244,000 
          supplemental schedule of non-cash investing activity:
                                                                                                        
          net increase in accrued purchases of property and equipment
                                                                                                        
          prepaid inventories netted with accounts payable
                                                                                                        
          loss on impairment of fixed assets
                                                         48,000 101,000                                            
          net (gain) loss on disposal of fixed assets
                                                                                                        
          other acquisitions
                                                                                                      
          benefit from inventories
                                                          670,000 1,576,000 567,000  4,727,000 -3,176,000 915,000                                        
          acquisition of property and equipment
                                                            -4,274,000 -2,759,000 -3,142,000 -2,993,000 -3,715,000 -4,896,000 -3,871,000 -3,545,000 -4,957,000 -5,787,000 -16,662,000 -12,022,000 -1,153,000 -1,981,000 -2,330,000 -2,320,000 -1,455,000 -2,497,000 -1,974,000 -2,279,000 -1,796,000 -1,675,000 -1,711,000 -1,072,000 -1,410,000  -1,273,000 -811,000 -1,593,000 -1,434,000 -1,303,000 -1,114,000 -1,815,000 -2,526,000 -1,131,000 -1,014,000 -1,647,000 -1,193,000 -657,000     -3,590,000 
          changes in assets and liabilities, net of effect of acquisitions:
                                                                                                        
          accrued excess facility costs
                                                                 -447,000 -436,000 510,000 46,000                                    
          acquisition of omneon, net of cash received
                                                                                                        
          proceeds from lease financing liability
                                                                     6,448,000                                  
          non-cash investing and financing activities:
                                                                                                        
          issuance of restricted common stock for omneon acquisition
                                                                                                       
          fair value of vested portion of stock options and restricted stock units assumed in connection with the omneon acquisition
                                                                                                       
          net gain on disposal of fixed assets
                                                                                                        
          net income on disposal of fixed assets
                                                                 221,000 347,000 42,000 61,000       150,000 37,000                            
          allowance for doubtful accounts
                                                                                                        
          acquisition of scopus, net of cash received
                                                                                                        
          issuance of restricted common stock for rhozet acquisition
                                                                         1,870,000                            
          financing liability for construction in progress
                                                                                                        
          acquisition of omneon, net of cash acquired
                                                                                                       
          issuance of restricted common stock in omneon acquisition
                                                                                                        
          fair value of vested portion of stock options and restricted stock units assumed in omneon acquisition
                                                                                                        
          adjustments to reconcile net income to net cash provided by operating activities:
                                                                                                        
          net loss on disposal of fixed assets
                                                                     89,000 46,000 8,000 19,000                                
          acquisition of scopus, net of cash acquired
                                                                                                        
          acquisition of intellectual property
                                                                                                       
          sale of entone, inc. convertible note
                                                                                                        
          accrued excess facilities costs
                                                                      -1,832,000 -1,701,000 -1,697,000 -1,598,000 -1,640,000 -1,250,000 -1,556,000 170,000 -1,637,000 -1,598,000 -1,573,000 -1,023,000 -3,015,000 -1,502,000 -1,144,000  3,018,000 -1,142,000 -1,193,000  -1,158,000 -1,225,000 -1,147,000  -1,347,000 -1,346,000 -1,164,000        
          acquisition of rhozet
                                                                          -453,000    -2,828,000                        
          acquisition of scopus
                                                                          -656,000 -62,397,000                            
          write-off of acquired in-process technology
                                                                                                       
          loss on disposal of fixed assets
                                                                                      35,000    2,000 -76,000 89,000  211,000 115,000 89,000        
          accretion and loss on investments
                                                                                                        
          acquisitions, net of cash received
                                                                                                        
          repayments under bank line and term loan
                                                                                 -460,000  -197,000 -198,000 -220,000 -238,000 -167,000 -276,000 -386,000 -209,000 -295,000 -296,000 -421,000 -618,000 -509,000      
          repayments of capital lease obligations
                                                                                 -7,000 -22,000 -22,000 -21,000  -20,000 -21,000 -20,000 -20,000 -22,000 -18,000 -32,000            
          interest paid during the period
                                                                                 1,000 1,000 65,000  35,000 23,000 36,000 35,000 28,000 39,000 51,000 40,000 24,000 18,000 21,000        
          loss on impairment of investment
                                                                                                        
          deferred tax assets
                                                                              -31,151,000                          
          redemption of entone, inc. convertible note
                                                                                                        
          proceeds from maturities and sales of investments
                                                                           33,351,000 58,728,000 14,874,000 28,818,000 26,780,000 53,765,000                        
          impairment and loss on disposal of fixed assets
                                                                                                        
          changes in assets and liabilities, net of effect of acquisition:
                                                                                                        
          sale (purchase) of entone, inc. convertible note
                                                                                                        
          non-cash investing and financing activities
                                                                                                        
          issuance of restricted common stock from entone acquisition
                                                                                                        
          net gain on disposal and impairment of fixed assets
                                                                                    -83,000                    
          acquisition of rhozet corp, net of cash received
                                                                                                        
          redemption/(purchase) of entone, inc. convertible note
                                                                                                        
          acquisition costs related to the merger of entone technologies, inc.
                                                                                                       
          liability for future issuance of common stock for rhozet acquisition
                                                                                                        
          net loss on disposal and impairment of fixed assets
                                                                               1,000 8,000  29,000                      
          acquisition of rhozet corp.
                                                                                                        
          amortization and impairment of intangibles
                                                                                                        
          depreciation and amortization
                                                                                                        
          cash flows used in investing activities:
                                                                                                        
          acquisition of rhozet, net of cash received
                                                                                                        
          purchase of entone, inc. convertible note
                                                                                                       
          acquisition of entone technologies, inc., net of cash received
                                                                                                        
          acquisition of btl, net of cash received
                                                                                                        
          issuance of restricted common stock from rhozet acquisition
                                                                                                        
          issuance of restricted common stock and options from entone acquisition
                                                                                                        
          issuance of restricted common stock from btl acquisition
                                                                                                        
          acquisition of rhozet corporation, net of cash received
                                                                                                        
          benefit from income taxes
                                                                                                        
          as a % of net sales
                                                                                                        
          increase
                                                                                                        
          percent change
                                                                                                        
          cash, cash equivalents and short-term investments
                                                                                                        
          issuance of restricted common stock for btl acquisition
                                                                                                        
          borrowings under bank line and term loan
                                                                                             729,000 242,000 705,000 228,000 464,000 227,000      
          adjustments to reconcile net loss to cash from operating activities:
                                                                                                        
          proceeds from sale of investments
                                                                                          21,103,000 7,203,000 20,747,000  18,956,000 28,975,000 21,780,000  1,506,000     12,789,000 
          acquisition of btl, net of cash acquired
                                                                                          -5,955,000            
          issuance of restricted common stock to btl shareholders
                                                                                          1,831,000            
          adjustments to reconcile net income to cash from operating activities:
                                                                                                        
          non-employee stock option charge
                                                                                                        
          benefit from sale of previously written-off inventory
                                                                                              -1,224,000          
          stock option charge
                                                                                               5,000 8,000        
          interest expense
                                                                                                    57,000  51,000  
          adjustments to reconcile net loss to net cash used in operating activities:
                                                                                                        
          impairment of goodwill and other intangibles
                                                                                                        
          acquired in-process technology
                                                                                                        
          cash received from acquisitions
                                                                                                        
          non-cash financing activities:
                                                                                                        
          issuance of common stock for acquisitions
                                                                                                        
          income tax refunds
                                                                                                      30,000  
          adjustments to reconcile net income to net cash from operating activities:
                                                                                                        
          amortization of goodwill and other intangibles
                                                                                                        
          changes in assets and liabilities, net of effect of acquisitions:
                                                                                                        
          cash flows from investing activities:
                                                                                                        
          effect of exchange rate changes on cash and cash equivalents
                                                                                                        
          net increase in cash and cash equivalents
                                                                                                        
          net cash received from divicom acquisition
                                                                                                        
          borrowings under bank line of credit
                                                                                                        
          repayments under bank line of credit
                                                                                                        
          issuance of common stock and assumption of options for acquisitions