7Baggers

IPG Photonics Corporation
(NASDAQ:IPGP) 

IPGP stock logo

IPG Photonics Corporation develops and manufactures a range of high-performance fiber lasers, fiber amplifiers, and diode lasers used in various applications primarily in materials processing worldwide. The company's laser products include high power lasers; fiber pigtailed packaged diodes and fiber...

Founded: 1990
Full Time Employees: 5,960
Sector: Technology
Industry: Semiconductor Equipment & Materials

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    Unit: USD2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 
                                                                                 
      net sales
    274,471,000 250,792,000 250,721,000 227,793,000 234,337,000 233,143,000 257,645,000 252,009,000 298,893,000 301,401,000 339,971,000 347,174,000 333,539,000 349,006,000 377,023,000 369,979,000 364,467,000 379,150,000 371,658,000 345,585,000 336,630,000 318,441,000 296,411,000 249,242,000 306,627,000 329,138,000 363,769,000 315,047,000 330,051,000 356,346,000 413,613,000 359,864,000 361,055,000 392,615,000 369,373,000 285,846,000 280,121,000 266,017,000 252,787,000 207,248,000 223,626,000 243,541,000 235,138,000 198,960,000 207,402,000 199,651,000 192,204,000 170,575,000 165,859,000 172,152,000 168,171,000 141,852,000 145,030,000 156,379,000 137,927,000 123,192,000 123,524,000 129,064,000 121,936,000 99,958,000 100,985,000 79,809,000 67,258,000 51,204,000 54,293,000 45,808,000 40,385,000 45,408,000 58,194,000 62,012,000 55,994,000 52,876,000 55,067,000 47,905,000 43,952 41,753,000  
      yoy
    17.13% 7.57% -2.69% -9.61% -21.60% -22.65% -24.22% -27.41% -10.39% -13.64% -9.83% -6.16% -8.49% -7.95% 1.44% 7.06% 8.27% 19.06% 25.39% 38.65% 9.78% -3.25% -18.52% -20.89% -7.10% -7.64% -12.05% -12.45% -8.59% -9.24% 11.98% 25.89% 28.89% 47.59% 46.12% 37.92% 25.26% 9.23% 7.51% 4.17% 7.82% 21.98% 22.34% 16.64% 25.05% 15.97% 14.29% 20.25% 14.36% 10.09% 21.93% 15.15% 17.41% 21.16% 13.11% 23.24% 22.32% 61.72% 81.30% 95.22% 86.00% 74.23% 66.54% 12.76% -6.70% -26.13% -27.88% -14.12% 5.68% 29.45% 127298.07% 26.64%      
      qoq
    9.44% 0.03% 10.07% -2.79% 0.51% -9.51% 2.24% -15.69% -0.83% -11.35% -2.07% 4.09% -4.43% -7.43% 1.90% 1.51% -3.87% 2.02% 7.54% 2.66% 5.71% 7.43% 18.92% -18.71% -6.84% -9.52% 15.46% -4.55% -7.38% -13.85% 14.94% -0.33% -8.04% 6.29% 29.22% 2.04% 5.30% 5.23% 21.97% -7.32% -8.18% 3.57% 18.18% -4.07% 3.88% 3.87% 12.68% 2.84% -3.66% 2.37% 18.55% -2.19% -7.26% 13.38% 11.96% -0.27% -4.29% 5.85% 21.99% -1.02% 26.53% 18.66% 31.35% -5.69% 18.52% 13.43% -11.06% -21.97% -6.16% 10.75% 5.90% -3.98% 14.95% 108893.90% -99.89%   
      cost of sales
    175,398,000 151,787,000 157,148,000 137,981,000 143,993,000 179,054,000 161,459,000 154,473,000 184,726,000 168,499,000 192,280,000 200,236,000 272,715,000 198,582,000 204,679,000 198,158,000 198,462,000 193,276,000 191,130,000 181,594,000 189,751,000 165,649,000 159,962,000 146,366,000 182,424,000 176,280,000 183,532,000 166,136,000 163,303,000 161,162,000 178,638,000 156,502,000 152,262,000 168,060,000 163,077,000 128,579,000 124,786,000 121,226,000 115,084,000 92,838,000 101,583,000 110,237,000 106,435,000 91,133,000 93,485,000 90,561,000 87,977,000 81,291,000 84,337,000 79,339,000 78,249,000 66,211,000 69,856,000 70,420,000 63,017,000 54,508,000 57,100,000 58,605,000 55,230,000 46,292,000 45,466,000 39,878,000 36,797,000 30,657,000 34,381,000 29,085,000 28,613,000 29,547,000 31,663,000 32,590,000 29,047,000 28,476,000 31,440,000 26,200,000 23,633 22,422,000  
      gross profit
    99,073,000 99,005,000 93,573,000 89,812,000 90,344,000 54,089,000 96,186,000 97,536,000 114,167,000 132,902,000 147,691,000 146,938,000 60,824,000 150,424,000 172,344,000 171,821,000 166,005,000 185,874,000 180,528,000 163,991,000 146,879,000 152,792,000 136,449,000 102,876,000 124,203,000 152,858,000 180,237,000 148,911,000 166,748,000 195,184,000 234,975,000 203,362,000 208,793,000 224,555,000 206,296,000 157,267,000 155,335,000 144,791,000 137,703,000 114,410,000 122,043,000 133,304,000 128,703,000 107,827,000 113,917,000 109,090,000 104,227,000 89,284,000 81,522,000 92,813,000 89,922,000 75,641,000 75,174,000 85,959,000 74,910,000 68,684,000 66,424,000 70,459,000 66,706,000 53,666,000 55,519,000 39,931,000 30,461,000 20,547,000 19,912,000 16,723,000 11,772,000 15,861,000 26,531,000 29,422,000 26,947,000 24,400,000 23,627,000 21,705,000 20,319 19,331,000  
      yoy
    9.66% 83.04% -2.72% -7.92% -20.87% -59.30% -34.87% -33.62% 87.70% -11.65% -14.30% -14.48% -63.36% -19.07% -4.53% 4.77% 13.02% 21.65% 32.30% 59.41% 18.26% -0.04% -24.29% -30.91% -25.51% -21.69% -23.30% -26.78% -20.14% -13.08% 13.90% 29.31% 34.41% 55.09% 49.81% 37.46% 27.28% 8.62% 6.99% 6.11% 7.13% 22.20% 23.48% 20.77% 39.74% 17.54% 15.91% 18.04% 8.44% 7.97% 20.04% 10.13% 13.17% 22.00% 12.30% 27.98% 19.64% 76.45% 118.99% 161.19% 178.82% 138.78% 158.76% 29.54% -24.95% -43.16% -56.31% -35.00% 12.29% 35.55% 132519.72% 26.22%      
      qoq
    0.07% 5.81% 4.19% -0.59% 67.03% -43.77% -1.38% -14.57% -14.10% -10.01% 0.51% 141.58% -59.56% -12.72% 0.30% 3.50% -10.69% 2.96% 10.08% 11.65% -3.87% 11.98% 32.63% -17.17% -18.75% -15.19% 21.04% -10.70% -14.57% -16.93% 15.55% -2.60% -7.02% 8.85% 31.18% 1.24% 7.28% 5.15% 20.36% -6.25% -8.45% 3.57% 19.36% -5.35% 4.42% 4.67% 16.74% 9.52% -12.17% 3.22% 18.88% 0.62% -12.55% 14.75% 9.06% 3.40% -5.73% 5.63% 24.30% -3.34% 39.04% 31.09% 48.25% 3.19% 19.07% 42.06% -25.78% -40.22% -9.83% 9.18% 10.44% 3.27% 8.86% 106721.20% -99.89%   
      gross margin %
    36.10% 39.48% 37.32% 39.43% 38.55% 23.20% 37.33% 38.70% 38.20% 44.09% 43.44% 42.32% 18.24% 43.10% 45.71% 46.44% 45.55% 49.02% 48.57% 47.45% 43.63% 47.98% 46.03% 41.28% 40.51% 46.44% 49.55% 47.27% 50.52% 54.77% 56.81% 56.51% 57.83% 57.19% 55.85% 55.02% 55.45% 54.43% 54.47% 55.20% 54.57% 54.74% 54.74% 54.20% 54.93% 54.64% 54.23% 52.34% 49.15% 53.91% 53.47% 53.32% 51.83% 54.97% 54.31% 55.75% 53.77% 54.59% 54.71% 53.69% 54.98% 50.03% 45.29% 40.13% 36.68% 36.51% 29.15% 34.93% 45.59% 47.45% 48.12% 46.15% 42.91% 45.31% 46.23% 46.30%  
      operating expenses:
                                                                                 
      sales and marketing
    24,109,000 23,771,000 25,552,000 24,430,000 21,864,000 22,233,000 22,487,000 22,998,000 22,161,000 22,243,000 20,187,000 21,088,000 17,876,000 19,383,000 19,010,000 20,374,000 19,416,000 20,688,000 19,193,000 18,883,000 17,242,000 17,332,000 17,326,000 18,683,000 18,838,000 18,969,000 20,663,000 19,275,000 16,284,000 13,479,000 14,536,000 13,516,000 13,454,000 13,384,000 12,136,000 10,827,000 10,210,000 10,460,000 9,689,000 8,034,000 8,640,000 7,717,000 7,962,000 7,549,000 7,929,000 7,496,000 8,047,000 7,165,000 7,178,000 6,801,000 6,845,000 5,868,000 7,074,000 5,785,000 5,854,000 5,132,000 5,280,000 5,656,000 5,847,000 4,948,000 5,303,000 4,527,000 4,932,000 4,338,000 4,300,000 3,788,000 3,880,000 3,189,000 3,315,000 3,735,000 3,703,000 3,147,000 2,870,000 2,488,000 2,836 1,909,000  
      research and development
    28,771,000 30,358,000 29,937,000 28,336,000 25,738,000 27,177,000 27,487,000 29,381,000 27,714,000 24,708,000 23,512,000 22,770,000 26,620,000 25,436,000 30,608,000 33,450,000 36,766,000 34,277,000 35,191,000 33,339,000 31,766,000 31,710,000 31,584,000 31,838,000 30,469,000 32,160,000 34,872,000 32,496,000 31,501,000 30,909,000 31,813,000 28,546,000 26,589,000 25,541,000 25,960,000 22,780,000 22,108,000 20,543,000 18,412,000 17,489,000 17,769,000 16,221,000 15,114,000 14,230,000 13,810,000 13,447,000 13,362,000 12,784,000 10,878,000 11,501,000 10,483,000 8,798,000 9,270,000 7,762,000 7,229,000 7,140,000 6,580,000 6,501,000 6,610,000 5,731,000 5,292,000 4,981,000 4,729,000 4,158,000 5,098,000 4,569,000 4,734,000 4,142,000 4,353,000 4,130,000 4,447,000 2,874,000 2,656,000 2,354,000 2,388 2,129,000  
      general and administrative
    40,358,000 35,092,000 34,882,000 32,808,000 28,893,000 32,660,000 31,602,000 31,158,000 35,003,000 30,958,000 29,660,000 30,128,000 33,365,000 33,813,000 33,411,000 30,664,000 32,167,000 32,557,000 31,066,000 30,092,000 27,444,000 29,038,000 26,399,000 27,124,000 25,071,000 26,776,000 28,538,000 27,212,000 27,572,000 25,245,000 24,117,000 25,495,000 21,576,000 21,491,000 19,875,000 17,726,000 19,637,000 16,797,000 16,151,000 13,901,000 14,718,000 14,679,000 15,017,000 12,778,000 15,126,000 14,172,000 13,124,000 12,916,000 13,049,000 13,175,000 12,829,000 11,810,000 9,937,000 10,609,000 8,736,000 9,949,000 9,943,000 10,997,000 8,333,000 8,169,000 6,633,000 7,800,000 7,384,000 6,828,000 5,797,000 4,758,000 4,944,000 4,990,000 4,069,000 4,468,000 6,024,000 5,839,000 5,749,000 4,049,000 4,989 4,241,000  
      net loss from divestiture and sale of assets
        47,550,250 197,651,000                                                                        
      impairment of long-lived assets
        440,000 26,566,000    1,237,000                                                                    
      restructuring charges
    106,250 425,000                                                                            
      loss on foreign exchange
    2,341,000 1,504,000 3,098,000 2,411,000 -543,000 1,148,000 3,244,000 1,675,000 442,000 -449,000 1,306,000  -7,186,000 -541,000 17,640,000    2,826,000  5,186,000 -11,302,000 12,766,000 -19,565,000 5,332,000 808,000 5,074,000 1,613,000 -4,661,000 1,688,000 2,118,000  -1,093,000 3,917,000 7,183,000 4,453,000 -1,820,000 2,905,000               -68,000 1,796,000  1,286,000 -353,250 -1,927,000  720,000 -523,000 2,078,000 -2,295,000 -108,000 47,000 -40,000 -500,000 1,515,000          
      total operating expenses
    95,755,000 91,150,000 93,469,000 87,985,000 76,392,000 307,435,000 84,146,000 78,436,000 85,389,000 77,196,000 75,628,000 71,512,000 149,304,000 57,262,000 100,669,000 78,678,000 81,202,000 83,888,000 88,276,000 75,149,000 81,638,000 111,379,000 89,240,000 58,080,000 123,960,000 78,713,000 89,147,000 80,596,000 70,696,000 71,321,000 72,584,000 62,262,000 60,526,000 64,333,000 65,154,000 55,786,000 50,135,000 50,705,000 42,696,000 44,391,000 39,027,000 43,742,000 41,260,000 25,805,000 34,286,000 31,501,000 35,478,000 31,495,000 32,669,000 33,040,000 30,047,000 25,995,000 27,915,000 25,952,000 18,465,000 23,507,000 20,354,000 21,227,000 20,584,000 19,568,000 16,705,000 19,386,000 14,750,000 15,216,000 15,242,000 13,075,000 13,058,000 13,836,000 11,737,000 12,333,000 14,174,000 11,860,000 11,275,000 8,891,000 10,213 8,279,000  
      operating income
    3,318,000 7,855,000 104,000 1,827,000 13,952,000 -253,346,000 12,040,000 19,100,000 28,778,000 55,706,000 72,063,000 75,426,000 -88,480,000 93,162,000 71,675,000 93,143,000 84,803,000 101,986,000 92,252,000 88,842,000 65,241,000 41,413,000 47,209,000 44,796,000 243,000 74,145,000 91,090,000 68,315,000 96,052,000 123,863,000 162,391,000 141,100,000 148,267,000 160,222,000 141,142,000 101,481,000 105,200,000 94,086,000 95,007,000 70,019,000 83,016,000 89,562,000 87,443,000 82,022,000 79,631,000 77,589,000 68,749,000 57,789,000 48,853,000 59,773,000 59,875,000 49,646,000 47,259,000 60,007,000 56,445,000 45,177,000 46,070,000 49,232,000 46,122,000 34,098,000 38,814,000 20,545,000 15,711,000 5,331,000 4,670,000 3,648,000 -1,286,000 2,025,000 14,794,000 17,089,000 12,773,000 12,540,000 12,352,000 12,814,000 10,106 11,052,000  
      yoy
    -76.22% -103.10% -99.14% -90.43% -51.52% -554.79% -83.29% -74.68% -132.52% -40.21% 0.54% -19.02% -204.34% -8.65% -22.31% 4.84% 29.98% 146.27% 95.41% 98.33% 26748.15% -44.15% -48.17% -34.43% -99.75% -40.14% -43.91% -51.58% -35.22% -22.69% 15.06% 39.04% 40.94% 70.29% 48.56% 44.93% 26.72% 5.05% 8.65% -14.63% 4.25% 15.43% 27.19% 41.93% 63.00% 29.81% 14.82% 16.40% 3.37% -0.39% 6.08% 9.89% 2.58% 21.89% 22.38% 32.49% 18.69% 139.63% 193.57% 539.62% 731.13% 463.19% -1321.70% 163.26% -68.43% -78.65% -110.07% -83.85% 19.77% 33.36% 126290.26% 13.46%      
      qoq
    -57.76% 7452.88% -94.31% -86.91% -105.51% -2204.20% -36.96% -33.63% -48.34% -22.70% -4.46% -185.25% -194.97% 29.98% -23.05% 9.83% -16.85% 10.55% 3.84% 36.18% 57.54% -12.28% 5.39% 18334.57% -99.67% -18.60% 33.34% -28.88% -22.45% -23.73% 15.09% -4.83% -7.46% 13.52% 39.08% -3.54% 11.81% -0.97% 35.69% -15.66% -7.31% 2.42% 6.61% 3.00% 2.63% 12.86% 18.97% 18.29% -18.27% -0.17% 20.60% 5.05% -21.24% 6.31% 24.94% -1.94% -6.42% 6.74% 35.26% -12.15% 88.92% 30.77% 194.71% 14.15% 28.02% -383.67% -163.51% -86.31% -13.43% 33.79% 1.86% 1.52% -3.61% 126695.96% -99.91%   
      operating margin %
    1.21% 3.13% 0.04% 0.80% 5.95% -108.67% 4.67% 7.58% 9.63% 18.48% 21.20% 21.73% -26.53% 26.69% 19.01% 25.18% 23.27% 26.90% 24.82% 25.71% 19.38% 13.00% 15.93% 17.97% 0.08% 22.53% 25.04% 21.68% 29.10% 34.76% 39.26% 39.21% 41.06% 40.81% 38.21% 35.50% 37.56% 35.37% 37.58% 33.79% 37.12% 36.77% 37.19% 41.23% 38.39% 38.86% 35.77% 33.88% 29.45% 34.72% 35.60% 35.00% 32.59% 38.37% 40.92% 36.67% 37.30% 38.15% 37.82% 34.11% 38.44% 25.74% 23.36% 10.41% 8.60% 7.96% -3.18% 4.46% 25.42% 27.56% 22.81% 23.72% 22.43% 26.75% 22.99% 26.47%  
      other income, net:
                                                                                 
      interest income
    7,129,000 7,283,000 8,001,000 7,444,000 7,409,000 11,103,000 12,778,000 14,177,000 13,369,000 11,569,000 9,264,000 7,533,000 7,888,000 3,625,000 1,177,000  -649,000 -288,000 -407,000 -495,000 173,000 1,168,000 1,856,000 3,073,000 2,501,000 3,734,000 4,051,000 3,952,000 4,132,000 3,884,000 729,000 311,000 86,000 -125,000 468,000 308,000 469,000 373,000 270,000 192,000     66,000 -4,000   24,000 63,000 -35,000  -222,000 55,000 615,000              -118,000 -194,000 -183,000 -95,000 177,750 198,000 117 396,000  
      other income
    109,000 516,000 166,000 1,344,000 651,000 -271,000 194,000 325,000 6,000 545,000 285,000 331,000 548,000 301,000 618,000 -236,000 367,000 -211,000 28,000 253,000 182,000 -59,000 449,000 191,000 216,000 -520,000 658,000 -9,000 681,000 423,000 386,000 443,000 69,000 459,000 23,000 -529,000 606,000 194,000 141,000 7,000 -503,000 132,000 161,000 85,000 58,000 162,000 239,000 334,000 106,000 218,000 -239,000 70,000 989,000 205,000 -92,000 -1,094,000 208,000 145,000 -618,000 8,000     223,000 -75,000 -36,000 -148,000 108,250 -103,000 489,000 47,000 86,250 309,000 -8 44,000  
      total other income
    7,238,000 7,799,000 8,167,000 8,788,000 8,060,000 10,832,000 12,972,000 14,502,000 13,375,000 12,114,000 9,549,000 7,864,000 8,436,000 3,926,000 1,795,000  -282,000 -499,000 -379,000 -242,000 355,000 1,109,000 2,305,000 3,264,000 2,717,000 3,214,000 4,709,000 3,943,000 4,813,000 4,307,000 1,115,000 754,000 155,000 334,000 491,000 -221,000 1,075,000 567,000 411,000 199,000 -469,000 92,000 49,000 -99,000 124,000 158,000 239,000 195,000 130,000 281,000 -274,000 17,000 767,000 260,000 523,000    -788,000      -6,000 -341,000 -403,000  -593,000 -297,000 306,000 -48,000 230,000 507,000 109   
      income before provision for income taxes
    10,556,000 15,654,000 8,271,000 10,615,000 22,012,000 -242,514,000 25,012,000 33,602,000 42,153,000 67,820,000 81,612,000 83,290,000 -80,044,000 97,088,000 73,470,000 92,837,000 84,521,000 101,487,000 91,873,000 88,600,000 65,596,000 42,522,000 49,514,000 48,060,000 2,960,000 77,359,000 95,799,000 72,258,000 100,865,000 128,170,000 163,506,000    141,633,000  106,275,000 94,653,000               40,297,250 60,267,000  43,954,000 32,100,500 49,168,000  33,900,000 38,828,000 19,873,000  5,057,000 4,664,000 3,307,000  1,487,000          
      provision for income taxes
    -2,714,000 8,191,000 1,666,000 6,857,000   4,858,000 9,503,000 725,000 12,826,000 19,291,000 23,155,000 12,851,000 20,390,000 16,139,000 23,209,000 19,253,000 26,788,000 22,196,000 20,378,000 15,920,000 6,992,000 11,148,000 11,294,000 128,967,000 -20,232,000 -23,278,000 -17,342,000 -25,399,000 -27,418,000 -41,889,000    -37,530,000  -31,146,000 -25,426,000               -12,089,250 -17,832,000  -13,406,000 -9,812,000 -14,899,000  -10,522,000 -11,560,000 -6,558,000  -1,633,000 -1,507,000 -1,041,000  -461,000 -3,341,250 -5,310,000 -4,058,000 -3,997,000   -3,611 -4,507,000  
      net income
    13,270,000 7,463,000 6,605,000 3,758,000     41,428,000 54,994,000 62,321,000 60,135,000 -92,895,000 76,698,000 57,331,000 69,628,000 65,268,000 74,699,000 69,677,000 68,222,000 49,676,000 35,530,000 38,366,000 36,766,000 -4,303,000 57,127,000 72,521,000 54,916,000 75,466,000 100,752,000 121,617,000 106,334,000 52,956,000 115,597,000 104,103,000 74,932,000 75,129,000 69,227,000 67,031,000 49,328,000 60,678,000 62,757,000 61,244,000 57,346,000     36,595,000 42,338,000 41,720,000 35,127,000 34,912,000 42,435,000 39,849,000 30,548,000 31,855,000 34,269,000 31,507,000 23,378,000 27,268,000 13,315,000 10,345,000 3,424,000 3,157,000 2,266,000 -1,165,000 1,026,000 9,060,000 10,893,000 8,552,000 8,149,000 8,337,000 8,557,000 6,388 6,613,000  
      yoy
            -144.60% -28.30% 8.70% -13.63% -242.33% 2.68% -17.72% 2.06% 31.39% 110.24% 81.61% 85.56% -1254.45% -37.81% -47.10% -33.05% -105.70% -43.30% -40.37% -48.36% 42.51% -12.84% 16.82% 41.91% -29.51% 66.98% 55.31% 51.91% 23.82% 10.31% 9.45% -13.98%         4.82% -0.23% 4.70% 14.99% 9.60% 23.83% 26.48% 30.67% 16.82% 157.37% 204.56% 582.77% 763.73% 487.60% -987.98% 233.72% -65.15% -79.20% -113.62% -87.41% 8.67% 27.30% 133776.02% 23.23%      
      qoq
    77.81% 12.99% 75.76%      -24.67% -11.76% 3.64% -164.73% -221.12% 33.78% -17.66% 6.68% -12.63% 7.21% 2.13% 37.33% 39.81% -7.39% 4.35% -954.43% -107.53% -21.23% 32.06% -27.23% -25.10% -17.16% 14.37% 100.80% -54.19% 11.04% 38.93% -0.26% 8.53% 3.28% 35.89% -18.71% -3.31% 2.47% 6.80%      -13.56% 1.48% 18.77% 0.62% -17.73% 6.49% 30.45% -4.10% -7.04% 8.77% 34.77% -14.27% 104.79% 28.71% 202.13% 8.46% 39.32% -294.51% -213.55% -88.68% -16.83% 27.37% 4.95% -2.26% -2.57% 133854.29% -99.90%   
      net income margin %
    4.83% 2.98% 2.63% 1.65% 0% 0% 0% 0% 13.86% 18.25% 18.33% 17.32% -27.85% 21.98% 15.21% 18.82% 17.91% 19.70% 18.75% 19.74% 14.76% 11.16% 12.94% 14.75% -1.40% 17.36% 19.94% 17.43% 22.86% 28.27% 29.40% 29.55% 14.67% 29.44% 28.18% 26.21% 26.82% 26.02% 26.52% 23.80% 27.13% 25.77% 26.05% 28.82% 0% 0% 0% 0% 22.06% 24.59% 24.81% 24.76% 24.07% 27.14% 28.89% 24.80% 25.79% 26.55% 25.84% 23.39% 27.00% 16.68% 15.38% 6.69% 5.81% 4.95% -2.88% 2.26% 15.57% 17.57% 15.27% 15.41% 15.14% 17.86% 14.53% 15.84%  
      net income per common share:
                                                                                 
      basic
    310 180 160 90                                                                 0.2 0.24 0.19 0.18 0.19 0.2 0.15 0.15  
      diluted
    310 180 160 90                                                                 0.19 0.23 0.19 0.18 0.18 0.19 0.14 0.15  
      weighted-average common shares outstanding:
                                                                                 
      basic
    42,345,000 42,199,000 42,481,000 42,605,000 44,336,000 43,837,000 44,918,000 45,960,000 47,154,000 47,237,000 47,316,000 47,542,000 50,761,000 51,629,000 51,687,000 52,810,000 53,410,000 53,387,000 53,472,000 53,541,000 53,186 53,098 53,040 53,075 53,061 52,928 53,042 53,001 53,522 53,571 53,662 53,694 53,495 53,440 53,380 53,368 53,068 53,071 53,065 52,898 52,676 52,675 52,657 52,486 52,104 52,088 52,068 51,970 51,548 51,495 51,462 51,407 50,477 51,090 50,989 48,446 47,365 47,483 47,310 47,099 46,424 46,533 46,220 46,098 45,489 45,573 45,431 45,094 44,507 44,685 44,355 44,095 43,269 43,362 42,974 42,909  
      diluted
    42,650,000 42,556,000 42,577,000 42,832,000 44,336,000 43,837,000 45,012,000 46,175,000 47,320,000 47,388,000 47,453,000 47,776,000 50,925,000 51,737,000 51,795,000 53,100,000 53,930,000 53,834,000 53,999,000 54,201,000 53,785 53,664 53,530 53,676 53,839 53,622 53,848 53,874 54,726 54,696 54,992 55,182 54,699 54,698 54,471 54,370 53,797 53,761 53,788 53,621 53,427 53,392 53,442 53,267 52,824 52,792 52,769 52,724 52,375 52,367 52,385 52,350 51,536 52,102 52,071 49,582 48,685 48,747 48,610 48,690 47,594 47,700 47,333 47,191 46,595 46,695 45,431 46,152 46,223 46,375 46,132 46,041 45,749 45,731 45,631 45,602  
      gain on sale of assets
          -674,000 -6,776,000                                                                      
      restructuring charges (recoveries)
            69,000 -1,501,000                                                                    
      income tax expense
        1,360,250 -8,920,000                                                                        
      net income attributable to ipg photonics corporation common stockholders
        7,815,000 -233,594,000 20,154,000 24,099,000 41,428,000 54,994,000 62,321,000 60,135,000 -92,895,000 76,264,000 56,968,000 69,572,000 65,087,000 75,402,000 69,800,000 68,127,000                                                          
      net income attributable to ipg photonics corporation per common share:
                                                                                 
      basic
        130 -5,330 450 520 890 1,160 1,320 1,260 -1,770 1,480 1,100 1,320 1,220 1,410 1,310 1,270 0.93 0.67 0.72 0.69 -0.08 1.08 1.36 1.04 1.43 1.88 2.27 1.98 0.99 2.16 1.95 1.4 1.41 1.3 1.26 0.93 1.15 1.19 1.16 1.09 1.08 1.06 0.93 0.78 0.7 0.82 0.81 0.68 0.67 0.83 0.74 0.63    0.49 0.58 0.28  0.07 0.07 0.05 -0.03 0.03          
      diluted
        130 -5,330 450 520 900 1,160 1,310 1,260 -1,770 1,470 1,100 1,310 1,210 1,400 1,290 1,260 0.92 0.66 0.71 0.68 -0.08 1.07 1.34 1.02 1.41 1.84 2.21 1.93 0.96 2.11 1.91 1.38 1.4 1.29 1.25 0.92 1.13 1.18 1.15 1.08 1.06 1.05 0.92 0.77 0.69 0.81 0.8 0.67 0.65 0.81 0.72 0.61    0.47 0.56 0.28  0.07 0.07 0.05 -0.03 0.03          
      gain on divestiture
                -5,437,000 -21,748,000                                                                
      less: net income attributable to non-controlling interests
                 434,000 363,000 56,000 181,000 -703,000 -123,000 95,000 337,000 -74,000 140,000 363,000 147,000 -126,000 249,000                                                   
      other restructuring charges
              963,000 181,000                                                                  
      gain on foreign exchange
               -2,655,000    -5,810,000 -1,993,250 -3,634,000                      4,967,000 -115,000 5,125,000 3,167,000 -8,752,000   945,000 -1,370,000 1,564,000 1,563,000 -110,000                           
      impairment of long-lived assets and other restructuring charges
                229,750 919,000        12,000 1,165,000                                                       
      interest expense
                   -70,000                         34,000 -40,000 -112,000 -184,000    -139,000    -53,000    -129,000 -96,000 -209,000 -170,000 -206,000 -439,000 -350,000 -191,000 -208,000 -255,750 -266,000 -367,000 -390,000          
      total other expense
                   -306,000                                        -1,223,000 -262,500 -64,000  -198,000 14,000 -672,000 -217,000 -274,000    -538,000        440,000  
      goodwill impairment
                         44,589,000                                                        
      (gain) on foreign exchange
                       -7,165,000                                                          
      net income attributable to ipg photonics corporation
                        49,339,000 35,604,000 38,226,000 36,403,000 -4,450,000 57,253,000 72,272,000 55,159,000 75,559,000 100,517,000 121,617,000 106,334,000 52,956,000 115,597,000 104,116,000 74,945,000 75,132,000 69,235,000 67,058,000 49,326,000 60,704,000 62,791,000 61,299,000 57,359,000 56,431,000 55,200,000 48,283,000 40,531,000 36,595,000 42,338,000 41,720,000 35,127,000 34,912,000 42,435,000 37,742,000 29,915,000 31,086,000 32,869,000 30,736,000 23,068,000 27,062,000 13,226,000 10,306,000 3,397,000 3,122,000 2,255,000 -1,229,000 1,271,000          
      net income attributable to ipg photonics corporation per share:
                                                                                 
      basic
        130 -5,330 450 520 890 1,160 1,320 1,260 -1,770 1,480 1,100 1,320 1,220 1,410 1,310 1,270 0.93 0.67 0.72 0.69 -0.08 1.08 1.36 1.04 1.43 1.88 2.27 1.98 0.99 2.16 1.95 1.4 1.41 1.3 1.26 0.93 1.15 1.19 1.16 1.09 1.08 1.06 0.93 0.78 0.7 0.82 0.81 0.68 0.67 0.83 0.74 0.63    0.49 0.58 0.28  0.07 0.07 0.05 -0.03 0.03          
      diluted
        130 -5,330 450 520 900 1,160 1,310 1,260 -1,770 1,470 1,100 1,310 1,210 1,400 1,290 1,260 0.92 0.66 0.71 0.68 -0.08 1.07 1.34 1.02 1.41 1.84 2.21 1.93 0.96 2.11 1.91 1.38 1.4 1.29 1.25 0.92 1.13 1.18 1.15 1.08 1.06 1.05 0.92 0.77 0.69 0.81 0.8 0.67 0.65 0.81 0.72 0.61    0.47 0.56 0.28  0.07 0.07 0.05 -0.03 0.03          
      weighted-average shares outstanding:
                                                                                 
      basic
    42,345,000 42,199,000 42,481,000 42,605,000 44,336,000 43,837,000 44,918,000 45,960,000 47,154,000 47,237,000 47,316,000 47,542,000 50,761,000 51,629,000 51,687,000 52,810,000 53,410,000 53,387,000 53,472,000 53,541,000 53,186 53,098 53,040 53,075 53,061 52,928 53,042 53,001 53,522 53,571 53,662 53,694 53,495 53,440 53,380 53,368 53,068 53,071 53,065 52,898 52,676 52,675 52,657 52,486 52,104 52,088 52,068 51,970 51,548 51,495 51,462 51,407 50,477 51,090 50,989 48,446 47,365 47,483 47,310 47,099 46,424 46,533 46,220 46,098 45,489 45,573 45,431 45,094 44,507 44,685 44,355 44,095 43,269 43,362 42,974 42,909  
      diluted
    42,650,000 42,556,000 42,577,000 42,832,000 44,336,000 43,837,000 45,012,000 46,175,000 47,320,000 47,388,000 47,453,000 47,776,000 50,925,000 51,737,000 51,795,000 53,100,000 53,930,000 53,834,000 53,999,000 54,201,000 53,785 53,664 53,530 53,676 53,839 53,622 53,848 53,874 54,726 54,696 54,992 55,182 54,699 54,698 54,471 54,370 53,797 53,761 53,788 53,621 53,427 53,392 53,442 53,267 52,824 52,792 52,769 52,724 52,375 52,367 52,385 52,350 51,536 52,102 52,071 49,582 48,685 48,747 48,610 48,690 47,594 47,700 47,333 47,191 46,595 46,695 45,431 46,152 46,223 46,375 46,132 46,041 45,749 45,731 45,631 45,602  
      less: net loss attributable to noncontrolling interests
                               -243,000       -13,000  -3,000 -8,000                                        
      less: net income attributable to noncontrolling interests
                                -93,000 235,000   -6,500   -13,000   -27,000 2,000 -26,000 -34,000 -55,000 -13,000           2,107,000 633,000   771,000 310,000 206,000 89,000 39,000 27,000 35,000 11,000 64,000 -245,000          
      (gain) loss on foreign exchange
                                   -5,295,000       -1,556,000      -2,579,000 -3,614,000      -481,000   -3,354,000    -206,000                   
      income before benefit from income taxes
                                   141,854,000 100,862,250 160,556,000  101,260,000   95,418,000 70,218,000 82,547,000 89,654,000 87,492,000 81,923,000 79,755,000 77,747,000 68,988,000 57,984,000 48,983,000 60,054,000 59,601,000 49,663,000   56,968,000    45,334,000    15,494,000    -1,689,000           
      benefit from income taxes
                                   -35,520,000 -27,204,250 -44,959,000  -26,328,000   -28,387,000 -20,890,000 -21,869,000 -26,897,000 -26,248,000 -24,577,000 -23,324,000 -22,547,000 -20,705,000 -17,453,000 -12,388,000 -17,716,000 -17,881,000 -14,536,000   -17,119,000    -13,827,000    -5,149,000    524,000      -2,905,750 -3,505,000    
      other expense, net:
                                                                                 
      less: net income attributable to
                                                                                 
      noncontrolling interests
                                                            620,250 1,400,000                    
      net income attributable to ipg photonics
                                                                                 
      corporation per share:
                                                                                 
      basic
                                                            0.455 0.68 0.65    0.22               
      diluted
                                                            0.443 0.66 0.63    0.22               
      other expense
                                                                -103,500 -322,000 -26,000 -66,000              
      net income attributable to ipg photonics corporation per share:
                                                                                 
      income before provision for income taxes and minority interests in consolidated subsidiaries
                                                                        10,590,750 16,792,000 13,079,000 12,492,000   10,215 11,492,000  
      minority interests in consolidated subsidiaries
                                                                        -395,000 -589,000 -469,000 -346,000 -346,000 -1,259,000 -216 -372,000  
      net income per share
                                                                                 
      basic
    310 180 160 90                                                                 0.2 0.24 0.19 0.18 0.19 0.2 0.15 0.15  
      diluted
    310 180 160 90                                                                 0.19 0.23 0.19 0.18 0.18 0.19 0.14 0.15  
      fair value adjustment to series b warrants
                                                                                 
      income before benefit from income taxes and minority interests in consolidated subsidiaries
                                                                            12,582,000 13,321,000    
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 
                                                                                   
        assets
                                                                                   
        current assets:
                                                                                   
        cash and cash equivalents
      403,790,000 346,026,000 359,184,000 363,046,000 620,040,000 883,871,000 720,540,000 496,452,000 514,674,000 528,284,000 573,071,000 521,137,000 698,209,000 869,274,000 771,788,000 642,517,000 709,105,000 794,904,000 754,199,000 896,741,000 876,231,000 763,920,000 747,859,000 570,058,000 680,070,000 580,329,000 530,013,000 548,938,000 544,358,000 647,606,000 816,792,000 969,123,000 909,900,000 880,267,000 808,111,000 697,778,000 623,855,000 645,558,000 587,286,000 613,692,000 582,532,000 651,220,000 571,508,000 541,474,000 522,150,000 487,518,000 483,432,000 480,609,000 448,776,000 398,355,000 369,484,000 355,715,000 384,053,000 372,569,000 345,578,000 377,071,000 180,234,000 196,586,000 188,196,000 160,618,000 147,860,000 96,630,000 90,655,000 84,407,000 82,920,000 76,309,000 78,068,000 71,601,000 51,283,000 44,339,000 44,926,000 38,698,000 37,972,000 44,750,000 46,709,000 49,129,000 75,667,000 
        short-term investments
      435,538,000 524,359,000 540,414,000 563,832,000 310,152,000 135,444,000 343,363,000 643,655,000 662,807,000 605,207,000 523,341,000 548,473,000 479,374,000 365,409,000 462,865,000 774,161,000 805,400,000 724,103,000 743,210,000 548,196,000 514,835,000 537,696,000 501,040,000 625,085,000 502,546,000 498,508,000 512,816,000 481,139,000 500,432,000 474,422,000 308,970,000 206,786,000 206,257,000 165,655,000 122,304,000 165,025,000 206,779,000 126,970,000 126,794,000 126,273,000 106,584,000              9,765,000 18,451,000 25,451,000                     
        accounts receivable
      181,734,000 166,384,000 201,038,000 176,909,000 171,131,000 163,541,000 176,153,000 184,012,000 219,053,000 229,597,000 231,125,000 236,575,000 211,347,000 195,194,000 246,877,000 257,464,000 262,121,000 272,699,000 250,669,000 252,877,000 264,321,000 240,352,000 203,568,000 200,646,000 238,479,000 252,926,000 273,697,000 231,850,000 255,509,000 251,613,000 242,128,000 235,477,000 237,278,000 226,756,000 237,332,000 180,226,000 155,901,000 162,725,000 151,476,000 146,505,000 150,479,000 154,814,000 169,828,000 149,781,000 143,109,000 136,629,000 124,144,000 107,598,000 103,803,000 120,640,000 114,498,000 102,793,000 96,630,000 110,649,000 86,132,000 88,426,000 75,755,000 80,361,000 73,284,000 57,970,000 55,399,000 53,720,000 39,907,000 30,078,000 30,356,000 29,768,000 32,006,000 29,740,000 41,842,000 39,503,000 37,747,000 37,269,000 33,946,000 33,277,000 26,726,000 24,413,000 22,353,000 
        inventories
      313,416,000 323,934,000 303,841,000 287,623,000 284,780,000 320,723,000 400,839,000 431,899,000 453,874,000 479,829,000 491,301,000 506,149,000 509,363,000 555,537,000 556,747,000 484,971,000 460,747,000 435,070,000 404,547,000 368,149,000 364,993,000 370,344,000 367,166,000 363,383,000 380,790,000 417,163,000 425,996,000 417,817,000 403,579,000 397,409,000 376,019,000 356,375,000 307,712,000 282,495,000 260,661,000 261,893,000 239,010,000 242,370,000 241,282,000 226,907,000 203,738,000 197,635,000 190,848,000 174,140,000 171,009,000 179,476,000 178,925,000 170,556,000 172,700,000 171,268,000 154,093,000 142,096,000 139,618,000 135,121,000 121,979,000 123,430,000 116,978,000 117,276,000 109,273,000 88,698,000 72,470,000 64,898,000 54,029,000 52,135,000 52,869,000 59,155,000 62,085,000 66,445,000 72,555,000 72,797,000 76,574,000 69,630,000 60,412,000 58,850,000 52,691,000 45,167,000  
        prepaid income taxes
      43,196,000 27,847,000 28,813,000 16,955,000 17,592,000 27,115,000 30,208,000 24,530,000 26,038,000 32,538,000 50,748,000 47,054,000 40,934,000 49,496,000 52,912,000 40,888,000 36,990,000 34,482,000 64,810,000 70,421,000 69,893,000 60,436,000 62,778,000 50,840,000 38,873,000 50,693,000 49,885,000 50,961,000 43,782,000 61,222,000 40,215,000 42,430,000 44,944,000 40,639,000 37,912,000 41,959,000 34,128,000 35,342,000 32,890,000 37,159,000 33,692,000 32,571,000 27,822,000 25,712,000 20,967,000   17,977,000 15,996,000                             
        prepaid expenses and other current assets
      45,766,000 45,963,000 40,866,000 35,022,000 27,300,000 39,720,000 46,849,000 49,071,000 38,208,000 45,005,000 54,482,000 56,199,000 47,047,000 84,177,000 79,662,000 82,833,000 73,320,000 63,917,000 73,157,000 65,877,000 57,804,000 58,905,000 68,115,000 64,514,000 55,876,000 65,896,000 70,675,000 61,389,000 57,764,000 50,013,000 51,911,000 54,695,000 47,919,000 46,727,000 44,454,000 44,133,000 41,289,000 38,913,000 33,042,000 24,577,000 25,564,000 23,221,000 24,241,000 23,785,000 21,295,000 23,464,000 32,634,000 33,118,000 30,836,000 30,072,000 25,942,000 23,265,000 18,639,000 18,296,000 14,516,000 14,251,000 11,855,000 13,532,000 17,179,000 17,834,000 13,816,000 10,792,000 7,191,000 6,095,000 4,653,000 6,581,000 6,138,000 6,265,000 7,200,000 9,228,000 7,759,000 9,308,000 7,071,000 9,449,000 7,914,000 9,182,000 6,666,000 
        total current assets
      1,423,440,000 1,434,513,000 1,474,156,000 1,443,387,000 1,430,995,000 1,570,414,000 1,717,952,000 1,829,619,000 1,914,654,000 1,920,460,000 1,924,068,000 1,915,587,000 1,986,274,000 2,119,087,000 2,170,851,000 2,282,834,000 2,347,683,000 2,325,175,000 2,290,592,000 2,202,261,000 2,148,077,000 2,031,653,000 1,950,526,000 1,874,526,000 1,896,634,000 1,865,515,000 1,863,082,000 1,792,094,000 1,805,424,000 1,882,285,000 1,836,035,000 1,864,886,000 1,754,010,000 1,642,539,000 1,510,774,000 1,391,014,000 1,300,962,000 1,276,498,000 1,197,247,000 1,197,639,000 1,122,935,000 1,078,072,000 1,002,370,000 931,028,000 893,838,000 863,254,000 854,092,000 825,133,000 786,343,000 749,208,000 691,585,000 649,371,000 664,959,000 661,106,000 602,957,000 647,678,000 434,457,000 431,612,000 399,800,000 336,810,000 300,801,000 239,613,000 204,879,000 185,161,000 180,914,000 184,063,000 189,831,000 183,678,000 181,023,000 173,753,000 176,006,000 165,372,000 155,691,000 161,323,000 148,638,000 133,439,000 156,439,000 
        long-term investments
      76,533,000 30,166,000                                                                            
        deferred income taxes
      123,889,000 119,552,000 114,268,000 109,232,000 115,031,000 106,254,000 88,865,000 84,452,000 88,788,000 79,583,000 69,644,000 59,089,000 75,152,000 69,323,000 60,563,000 49,942,000 47,761,000 49,008,000 45,751,000 41,276,000 43,197,000 38,616,000 30,544,000 32,801,000 31,395,000 23,415,000 20,833,000 17,438,000 19,165,000 19,995,000 27,818,000 24,940,000 26,976,000 40,547,000 47,843,000 47,048,000 42,442,000 24,620,000 24,477,000 22,526,000 20,346,000 18,611,000 18,123,000 16,136,000 15,308,000 15,227,000 15,251,000 15,275,000 14,232,000 11,547,000 11,422,000 11,105,000 12,948,000 10,503,000 11,041,000 11,615,000 10,899,000 9,363,000 7,449,000 9,314,000 8,593,000 8,374,000 10,137,000 9,253,000 7,558,000 11,275,000 9,539,000 8,042,000 6,175,000 6,871,000 8,065,000 7,215,000 6,195,000 7,334,000 8,717,000 5,548,000 9,591,000 
        goodwill
      71,735,000 71,650,000 71,763,000 68,617,000 67,241,000 38,484,000 38,278,000 38,351,000 38,540,000 38,265,000 38,494,000 38,388,000 38,325,000 37,963,000 39,285,000 39,741,000 38,609,000 38,705,000 39,000,000 38,764,000 41,366,000 37,731,000 81,911,000 81,627,000 82,092,000 109,954,000 110,868,000 110,349,000 100,722,000 56,769,000 59,616,000 55,705,000 55,831,000 51,143,000 28,728,000 19,831,000 19,828,000 20,142,000 20,461,000 502,000 505,000 508,000 516,000 519,000 455,000 455,000 455,000 455,000 455,000 455,000 455,000 3,258,000 2,898,000 3,113,000                        
        intangible assets
      49,933,000 52,226,000 54,653,000 54,297,000 55,376,000 22,054,000 23,423,000 24,802,000 26,234,000 28,056,000 30,086,000 32,104,000 34,120,000 36,171,000 46,866,000 50,017,000 52,678,000 55,786,000 59,070,000 61,768,000 62,114,000 64,999,000 67,995,000 70,832,000 74,271,000 85,561,000 89,906,000 93,280,000 87,139,000 45,844,000 47,249,000 49,284,000 51,223,000 49,669,000 32,294,000 27,892,000 28,789,000 28,372,000 29,396,000 11,066,000 11,904,000 12,744,000 14,013,000 14,913,000 9,227,000 9,847,000 8,472,000 9,018,000 9,564,000 10,131,000 10,956,000 11,412,000 7,510,000 7,875,000 4,946,000 5,727,000 6,157,000 6,954,000 7,736,000 8,104,000 7,131,000                 
        property, plant and equipment
      637,516,000 622,122,000 621,352,000 603,271,000 588,375,000 589,559,000 593,136,000 585,751,000 602,257,000 581,970,000 609,344,000 594,273,000 580,561,000 661,510,000 680,321,000 625,366,000 635,302,000 624,576,000 612,420,000 600,911,000 597,527,000 576,398,000 585,644,000 580,980,000 600,852,000 596,138,000 600,977,000 570,756,000 543,068,000 529,163,000 514,767,000 483,907,000 460,206,000 441,494,000 389,853,000 395,858,000 379,375,000 367,474,000 350,432,000 309,206,000 288,604,000 286,514,000 288,553,000 274,145,000 275,082,000 271,286,000 268,122,000 249,361,000 252,245,000 236,507,000 225,195,000 218,995,000 210,563,000 195,153,000 177,441,000 169,876,000 155,202,000 143,339,000 141,902,000 131,300,000 120,683,000  106,106,000 109,639,000  114,957,000 115,258,000 112,865,000  112,479,000 111,207,000 107,010,000  89,811,000 81,483,000 73,826,000  
        other assets
      41,234,000 50,734,000 43,256,000 38,544,000 32,246,000 28,365,000 33,777,000 35,461,000 28,425,000 24,530,000 24,781,000 31,715,000 28,848,000 38,466,000 50,883,000 50,569,000 48,507,000 50,660,000 39,679,000 37,971,000 43,419,000 45,535,000 42,116,000 39,368,000 45,192,000 50,321,000 51,750,000 44,819,000 18,932,000 28,043,000 44,993,000 19,285,000 19,009,000 20,673,000 21,050,000 20,930,000 18,603,000 19,441,000 18,333,000 19,798,000 20,095,000 21,131,000 21,594,000 22,787,000 26,847,000 30,872,000 19,106,000 7,032,000 7,810,000 7,395,000 7,662,000 6,878,000 7,461,000 6,719,000 6,010,000 6,303,000 7,486,000 9,656,000 7,676,000 8,868,000 8,751,000 16,499,000 17,413,000 15,859,000 15,956,000 15,842,000 15,004,000 14,497,000 15,303,000 14,872,000 13,164,000 12,818,000 8,466,000 6,911,000 6,498,000 5,854,000 5,013,000 
        total assets
      2,424,280,000 2,380,963,000 2,379,448,000 2,317,348,000 2,289,264,000 2,355,130,000 2,495,431,000 2,598,436,000 2,698,898,000 2,672,864,000 2,696,417,000 2,671,156,000 2,743,280,000 2,962,520,000 3,048,769,000 3,098,469,000 3,170,540,000 3,143,910,000 3,086,512,000 2,982,951,000 2,935,700,000 2,794,932,000 2,758,736,000 2,680,134,000 2,730,436,000 2,730,904,000 2,737,416,000 2,628,736,000 2,574,450,000 2,562,099,000 2,530,478,000                                               
        liabilities and equity
                                                                                   
        current liabilities:
                                                                                   
        accounts payable
      39,288,000 40,225,000 41,522,000 37,923,000 35,385,000 39,578,000 26,232,000 26,675,000 28,618,000 33,126,000 37,418,000 40,902,000 46,233,000 55,072,000 57,276,000 46,481,000 55,839,000 52,428,000 50,714,000 44,704,000 25,748,000 37,375,000 42,261,000 39,648,000 27,329,000 30,466,000 38,016,000 39,970,000 36,302,000 29,494,000 42,989,000 33,369,000 35,109,000 34,271,000 28,996,000 25,388,000 28,048,000 17,899,000 20,414,000 20,277,000 26,314,000 20,862,000 21,537,000 15,916,000 17,141,000 18,969,000 15,059,000 18,620,000 18,787,000 14,293,000 18,525,000 14,575,000 17,783,000 14,291,000 13,200,000 13,488,000 11,122,000 15,241,000 14,884,000 12,526,000 9,510,000 10,663,000 10,427,000 5,824,000 5,620,000 4,624,000 6,065,000 5,029,000 7,739,000 10,031,000 9,613,000 11,364,000 9,444,000 9,204,000 10,788,000 8,640,000 7,640,000 
        accrued expenses and other current liabilities
      184,849,000 171,028,000 170,790,000 152,829,000  150,788,000 161,229,000 163,011,000  174,517,000 184,156,000 189,786,000  199,636,000 210,813,000 203,579,000  208,915,000 192,164,000 162,775,000  156,472,000 148,226,000 148,671,000  151,431,000 161,209,000 153,151,000                                                  
        income taxes payable
      9,900,000 2,128,000 4,640,000 6,282,000 17,586,000 3,816,000 3,022,000 2,441,000 4,893,000 12,066,000 6,613,000 3,100,000 9,618,000 24,752,000 15,588,000 12,317,000 8,642,000 12,709,000 9,181,000 3,446,000 8,280,000 3,806,000 1,024,000 3,356,000 11,053,000 19,944,000 19,298,000 13,007,000 51,161,000 47,777,000 29,339,000 22,820,000 15,773,000 10,060,000 10,102,000 23,423,000 24,554,000 34,117,000 26,688,000 53,656,000 37,809,000 45,084,000 28,690,000 25,606,000 21,672,000 25,088,000 16,823,000 14,054,000 15,218,000 27,031,000 17,861,000 9,191,000 42,443,000 37,604,000 31,191,000 24,720,000 21,230,000 29,029,000 7,555,000 7,688,000 11,594,000 10,025,000 7,408,000 4,236,000 2,179,000 3,341,000 1,653,000 2,364,000 507,000 1,462,000 1,875,000 1,353,000 96,000 199,000 1,930,000 7,516,000 8,289,000 
        total current liabilities
      234,037,000 213,381,000 216,952,000 197,034,000 205,019,000 194,182,000 190,483,000 192,127,000 214,861,000 219,709,000 228,187,000 249,522,000 274,646,000 295,788,000 315,902,000 279,836,000 313,433,000 292,840,000 255,905,000 214,753,000 214,578,000 201,445,000 195,286,000 195,432,000 191,904,000 205,563,000 222,228,000 209,816,000 245,774,000 217,985,000 210,279,000 195,560,000 198,903,000 182,191,000 156,785,000 157,736,000 158,275,000 155,627,000 134,976,000 150,671,000 144,980,000 148,850,000 125,771,000 123,130,000 122,075,000 128,013,000 113,172,000 103,278,000 100,079,000 105,807,000 95,202,000 88,110,000 125,455,000 121,281,000 103,778,000 103,139,000 93,712,000 110,658,000 90,828,000 83,401,000 82,770,000 70,548,000 63,327,000 44,129,000 36,831,000 46,251,000 59,724,000 56,330,000 49,026,000 49,404,000 50,924,000 45,404,000 34,482,000 42,878,000 37,830,000 30,984,000 40,771,000 
        other long-term liabilities and deferred income taxes
      62,113,000 62,770,000 57,944,000 59,872,000 59,774,000 46,336,000 51,578,000 65,589,000 68,652,000 69,204,000 69,680,000 83,109,000 83,274,000 86,223,000 92,516,000 94,650,000                                                              
        total liabilities
      296,150,000 276,151,000 274,896,000 256,906,000 264,793,000 240,518,000 242,061,000 257,716,000 283,513,000 288,913,000 297,867,000 332,631,000 357,920,000 382,011,000 408,418,000 390,220,000 423,319,000 404,065,000 380,232,000 342,281,000 341,589,000 323,858,000 321,430,000 324,204,000 327,993,000 350,244,000 370,055,000 360,448,000 368,215,000 355,291,000 358,321,000 352,638,000 344,933,000 286,966,000 226,185,000 236,301,000 232,275,000 224,282,000 206,144,000 203,102,000 192,764,000 192,320,000 170,786,000 168,741,000 164,326,000 148,685,000 134,526,000 135,697,000 133,247,000 134,109,000 123,288,000 119,033,000 152,571,000 148,813,000 128,283,000 128,152,000 118,399,000 177,361,000 158,977,000 129,118,000                  
        commitments and contingencies
                                                                                   
        ipg photonics corporation equity:
                                                                                   
        common stock, 0.0001 par value...
      6,000 6,000 6,000 6,000 6,000 6,000 6,000 6,000 6,000 6,000 6,000 6,000 6,000 6,000 6,000 6,000 6,000 6,000 6,000 6,000 6,000 6,000 6,000 6,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000  5,000 5,000 5,000  5,000 5,000 5,000  4,000 4,000 4,000  4,000 4,000 4,000  
        treasury stock
      -1,555,629,000 -1,551,924,000 -1,535,525,000 -1,505,216,000 -1,505,321,000 -1,447,984,000 -1,373,525,000 -1,251,121,000 -1,161,505,000 -1,097,537,000 -1,051,040,000 -1,051,103,000 -938,009,000 -821,388,000 -750,109,000 -517,260,000 -438,503,000 -381,685,000 -345,345,000 -306,662,000 -303,614,000 -303,614,000 -293,960,000 -278,446,000 -265,730,000 -250,919,000 -227,282,000 -224,998,000 -224,998,000 -160,859,000 -99,997,000 -69,004,000 -48,933,000 -35,857,000 -33,058,000 -21,485,000 -8,946,000 -3,483,000                                        
        additional paid-in capital
      1,077,172,000 1,063,762,000 1,053,080,000 1,040,264,000 1,035,285,000 1,025,268,000 1,014,094,000 1,002,600,000 994,020,000 978,331,000 969,889,000 957,103,000 951,371,000 939,040,000 930,950,000 917,693,000 908,423,000 894,264,000 883,546,000 868,097,000 854,301,000 828,796,000 811,559,000 788,568,000 785,636,000 772,152,000 761,936,000 746,926,000 744,937,000 738,285,000 729,082,000 714,255,000 704,727,000 693,337,000 681,263,000 668,003,000 650,974,000 635,778,000 629,694,000 616,156,000 607,649,000 597,803,000 591,718,000 580,926,000 567,617,000 556,401,000 551,885,000 544,351,000 538,908,000 526,481,000 521,044,000 515,755,000 511,039,000 506,854,000 499,951,000 504,243,000 332,585,000 329,416,000 325,783,000 317,709,000 310,218,000 302,934,000 296,572,000 294,724,000 293,743,000 291,673,000 289,242,000 288,209,000 283,217,000 279,364,000 277,875,000 276,203,000 275,506,000 273,720,000 272,326,000 271,363,000 271,122,000 
        retained earnings
      2,644,964,000 2,631,694,000 2,624,231,000 2,617,626,000 2,613,868,000 2,606,053,000 2,839,647,000 2,819,493,000 2,795,394,000 2,753,966,000 2,698,972,000 2,636,651,000 2,576,516,000 2,669,411,000 2,593,147,000 2,536,179,000 2,466,607,000 2,401,520,000 2,326,118,000 2,256,318,000 2,188,191,000 2,138,852,000 2,103,248,000 2,065,022,000 2,028,734,000 2,033,184,000 1,975,931,000 1,903,659,000 1,848,500,000 1,772,941,000 1,672,424,000 1,550,807,000 1,443,867,000 1,390,911,000 1,275,314,000 1,171,198,000 1,094,108,000 1,018,976,000 949,741,000 882,682,000 833,356,000 772,652,000 709,860,000 648,561,000 591,202,000 534,771,000 479,571,000 431,288,000 390,757,000 354,162,000 311,824,000 270,104,000 234,977,000 233,418,000 190,983,000 153,241,000 122,833,000 91,753,000 59,371,000 28,635,000 5,567,000                 
        accumulated other comprehensive loss
      -38,383,000 -38,726,000 -37,240,000 -92,238,000 -119,367,000 -68,731,000 -226,852,000 -230,258,000 -212,530,000 -250,815,000 -219,277,000 -204,132,000 -204,524,000 -206,560,000 -134,778,000 -229,369,000 -189,951,000 -174,753,000 -159,407,000 -178,257,000 -146,065,000 -193,827,000 -184,501,000 -220,081,000 -146,919,000 -174,311,000 -143,943,000 -157,751,000 -162,896,000 -144,409,000 -129,357,000 -50,694,000 -77,344,000 -89,297,000 -119,167,000 -151,626,000 -178,583,000 -148,430,000 -156,451,000 -152,987,000 -181,482,000 -155,802,000 -139,262,000 -150,539,000 -112,263,000 -54,474,000 -7,601,000 -14,328,000 -1,701,000 -4,961,000 -16,906,000 -12,639,000 -3,094,000 -10,705,000 -21,208,000                       
        total stockholders' equity
      2,128,130,000 2,104,812,000                                                                            
        total liabilities and stockholders' equity
      2,424,280,000 2,380,963,000                                                                            
        total ipg photonics corporation equity
        2,104,552,000 2,060,442,000  2,114,612,000 2,253,370,000 2,340,720,000      2,580,509,000 2,639,216,000 2,707,249,000  2,739,352,000 2,704,918,000 2,639,502,000  2,470,213,000 2,436,352,000 2,355,069,000  2,380,111,000 2,366,647,000 2,267,841,000  2,205,963,000 2,172,157,000 2,145,369,000 2,022,322,000 1,959,099,000 1,804,357,000 1,666,095,000 1,557,558,000 1,502,846,000 1,422,989,000 1,345,856,000 1,259,528,000                                     
        total liabilities and equity
        2,379,448,000 2,317,348,000 2,289,264,000 2,355,130,000 2,495,431,000 2,598,436,000 2,698,898,000 2,672,864,000 2,696,417,000 2,671,156,000 2,743,280,000 2,962,520,000 3,048,769,000 3,098,469,000 3,170,540,000 3,143,910,000 3,086,512,000 2,982,951,000 2,935,700,000 2,794,932,000 2,758,736,000 2,680,134,000 2,730,436,000 2,730,904,000 2,737,416,000 2,628,736,000 2,574,450,000 2,562,099,000 2,530,478,000                                               
        net sales
        250,721,000 227,793,000  233,143,000 257,645,000 252,009,000                       413,613,000 359,864,000                                              
        cost of sales
        157,148,000 137,981,000  179,054,000 161,459,000 154,473,000                       178,638,000 156,502,000                                              
        gross profit
        93,573,000 89,812,000  54,089,000 96,186,000 97,536,000                       234,975,000 203,362,000                                              
        operating expenses:
                                                                                   
        sales and marketing
        25,552,000 24,430,000  22,233,000 22,487,000 22,998,000                       14,536,000 13,516,000                                              
        research and development
        29,937,000 28,336,000  27,177,000 27,487,000 29,381,000                       31,813,000 28,546,000                                              
        general and administrative
        34,882,000 32,808,000  32,660,000 31,602,000 31,158,000                       24,117,000 25,495,000                                              
        gain on sale of assets
            -674,000 -6,776,000                                                                      
        loss on foreign exchange
        3,098,000 2,411,000                                                                          
        total operating expenses
        93,469,000 87,985,000  307,435,000 84,146,000 78,436,000                       72,584,000 62,262,000                                              
        operating income
        104,000 1,827,000  -253,346,000 12,040,000 19,100,000                       162,391,000 141,100,000                                              
        other income, net:
                                                                                   
        interest income
        8,001,000 7,444,000  11,103,000 12,778,000 14,177,000                       729,000 311,000                                              
        other income
        166,000 1,344,000  -271,000 194,000 325,000                       386,000 443,000                                              
        total other income
        8,167,000 8,788,000  10,832,000 12,972,000 14,502,000                       1,115,000 754,000                                              
        income before benefit from income taxes
        8,271,000 10,615,000  -242,514,000 25,012,000 33,602,000                       163,506,000 141,854,000                                              
        benefit from income taxes
        1,666,000 6,857,000   4,858,000 9,503,000                       -41,889,000 -35,520,000                                              
        net income
        6,605,000 3,758,000                           121,617,000 106,334,000                                              
        net income per common share:
                                                                                   
        basic
        160 90  -5,330 450 520                       2,270 1,980                                              
        diluted
        160 90  -5,330 450 520                       2,210 1,930                                              
        weighted-average common shares outstanding:
                                                                                   
        accrued expenses and other liabilities
          152,048,000    181,350,000    202,764,000    230,826,000    176,740,000    149,782,000    154,640,000 137,060,000 134,314,000 135,750,000 144,417,000 134,284,000 116,499,000 105,737,000 102,485,000 96,376,000 80,534,000 70,987,000 75,667,000 76,913,000 68,274,000 62,209,000 64,057,000 66,862,000 63,379,000 63,867,000 59,336,000 59,553,000 53,450,000 50,138,000 51,451,000 55,733,000 46,225,000 44,014,000 47,285,000 51,248,000 50,732,000 47,512,000 50,105,000 41,726,000 35,287,000 25,316,000 21,189,000 21,276,000 18,929,000 17,507,000 17,988,000 19,712,000 17,313,000 16,046,000 13,724,000 17,909,000 14,380,000 13,980,000 13,940,000 
        total ipg photonics corporation stockholders' equity
          2,024,471,000    2,415,385,000    2,385,360,000    2,746,582,000    2,592,819,000    2,401,726,000    2,205,548,000             1,214,658,000 1,162,321,000 1,078,953,000 1,046,561,000                                 
        net income from divestiture and sale of assets
           197,651,000                                                                        
        impairment of long-lived assets
           26,566,000                                                                        
        restructuring charges (recoveries)
                                                                                   
        gain on foreign exchange
           1,148,000 3,244,000 1,675,000                       2,118,000                                               
        income tax (benefit) expense
           -8,920,000                                                                        
        net income attributable to ipg photonics corporation common stockholders
           -233,594,000 20,154,000 24,099,000                                                                      
        net income attributable to ipg photonics corporation per common share:
                                                                                   
        restructuring charges
                                                                                   
        current portion of long-term debt
                 15,734,000 16,031,000 16,328,000 32,225,000 17,459,000 18,126,000 18,788,000 3,846,000 3,828,000 3,810,000 3,792,000 3,775,000 3,757,000 3,740,000 3,722,000 3,705,000 3,688,000 3,671,000 3,654,000 3,637,000 3,621,000 3,604,000 3,576,000 1,188,000 3,188,000 3,188,000 3,188,000 3,188,000 2,000,000 2,000,000 2,000,000 2,000,000 13,000,000 13,333,000 11,667,000 12,000,000 1,333,000 1,333,000 1,333,000 1,333,000 1,529,000 1,505,000 1,572,000 1,580,000 1,575,000 1,613,000 1,546,000 1,586,000 1,531,000 1,333,000 1,333,000 1,333,000 1,333,000 1,333,000 1,333,000 1,333,000 1,333,000 1,333,000 1,333,000 1,333,000      8,299,000 
        total equity
               2,383,951,000 2,398,550,000 2,338,525,000 2,385,360,000 2,580,509,000 2,640,351,000 2,708,249,000 2,747,221,000 2,739,845,000 2,706,280,000 2,640,670,000 2,594,111,000 2,471,074,000 2,437,306,000 2,355,930,000 2,402,443,000 2,380,660,000 2,367,361,000 2,268,288,000 2,206,235,000 2,206,808,000   2,022,322,000 1,959,099,000 1,804,357,000 1,666,272,000 1,557,724,000 1,503,016,000 1,423,163,000 1,346,998,000 1,260,665,000 1,215,886,000 1,163,755,000 1,080,519,000         742,927,000 729,572,000 669,731,000 658,366,000 443,610,000    316,803,000 285,452,000 252,323,000 252,452,000 256,571,000 253,203,000 244,224,000 237,737,000          
        long-term debt
                     15,734,000 16,031,000 16,328,000 32,225,000 33,193,000 34,157,000 35,117,000 36,071,000 37,022,000 37,968,000 38,909,000 39,846,000 40,779,000 41,707,000 42,631,000 43,551,000 44,466,000 45,378,000 46,296,000 21,375,000 36,839,000 37,635,000 38,432,000 39,229,000 17,167,000 17,667,000 18,167,000 18,667,000 19,167,000 19,667,000   11,000,000 11,333,000 11,667,000 12,000,000 12,525,000 14,014,000 14,341,000 14,671,000 15,132,000 15,726,000 16,296,000 16,758,000 17,112,000 15,644,000 16,382,000 16,649,000 16,333,000 16,667,000 17,000,000 17,334,000 17,649,000 17,997,000 18,356,000 18,710,000 20,000,000 20,000,000 20,000,000 20,000,000 20,000,000 30,068,000 
        non-controlling interests
                    1,135,000 1,000,000 639,000 493,000 1,362,000 1,168,000 1,292,000 861,000 954,000 861,000 717,000 549,000 714,000                                                   
        deferred income taxes and other long-term liabilities
                      93,855,000 94,897,000 92,102,000 94,335,000 92,854,000 87,296,000 90,073,000 91,750,000 98,121,000 105,772,000 107,981,000 109,853,000 80,734,000 94,675,000 104,491,000 112,612,000 100,652,000 58,479,000 48,025,000 41,726,000 36,365,000 30,223,000 31,939,000 35,264,000 30,117,000 25,303,000 26,348,000 26,444,000 22,584,000 20,672,000 21,354,000 21,419,000 21,835,000 16,635,000 16,086,000 18,398,000 13,102,000       2,766,000 1,735,000 1,594,000 1,425,000 2,293,000 2,567,000 2,485,000 1,819,000  2,896,000 2,842,000 2,645,000  4,204,000     
        noncontrolling interests
                                 447,000 687,000 845,000      177,000 166,000 170,000 174,000 1,142,000 1,137,000 1,228,000 1,434,000 1,566,000             287,000 236,000 245,000 210,000 203,000 296,000 207,000 168,000 141,000 106,000 95,000 209,000          
        less: net income attributable to noncontrolling interests
                                                                                   
        net income attributable to ipg photonics corporation
                                    121,617,000 106,334,000                                              
        net income attributable to ipg photonics corporation per share:
                                                                                   
        weighted-average shares outstanding:
                                                                                   
        total
                                     2,498,007,000 2,367,255,000 2,246,065,000 2,030,542,000 1,902,573,000 1,789,999,000 1,727,298,000 1,629,307,000 1,550,100,000 1,453,429,000 1,408,206,000 1,334,541,000 1,249,260,000 1,210,887,000 1,185,388,000 1,158,386,000 1,097,013,000 1,061,216,000 1,009,796,000 939,255,000 892,258,000 895,498,000 878,385,000 798,014,000 834,905,000 608,132,000 596,324,000 561,381,000 489,567,000 441,855,000 373,976,000 333,724,000 315,207,000 312,636,000 318,939,000 323,101,000 313,805,000 313,218,000 303,917,000 303,031,000 287,755,000 263,321,000 258,212,000 240,125,000 220,424,000 232,492,000 
        (gain) loss on foreign exchange
                                     -5,295,000                                              
        revolving line-of-credit facilities
                                               248,000 1,600,000 523,000 2,631,000 2,276,000 2,724,000 2,300,000 3,296,000 1,547,000 1,822,000 9,802,000 2,442,000 4,900,000 4,037,000 9,652,000 7,057,000 7,731,000 7,205,000 6,587,000 6,841,000 4,634,000 6,300,000 7,098,000 6,007,000 15,476,000 31,401,000 29,760,000 19,769,000 16,001,000 19,850,000 15,336,000 11,218,000 15,566,000 10,732,000 848,000 2,603,000 
        ipg photonics corporation stockholders' equity:
                                                                                   
        prepaid income taxes and income taxes receivable
                                                   20,940,000 19,706,000   17,326,000 16,146,000 14,397,000 13,071,000 13,968,000 13,946,000 14,434,000 13,285,000 14,494,000                    
        ipg photonics corporation stockholders’ equity:
                                                                                   
        total ipg photonics corporation stockholders’ equity
                                                   1,036,703,000 1,023,860,000 961,316,000 927,969,000 875,687,000 815,967,000 773,225,000 742,927,000 729,572,000 669,731,000 658,366,000 443,323,000 418,727,000 402,159,000 360,239,000 316,600,000 285,156,000 252,116,000 252,284,000 256,430,000 253,097,000 244,129,000 237,528,000          
        redeemable noncontrolling interests
                                                             48,387,000 46,123,000 45,651,000 46,730,000 25,839,000 24,903,000                 
        other long-term liabilities
                                                           13,191,000 9,834,000 9,881,000 8,961,000 4,756,000                    
        accumulated other comprehensive income
                                                             877,000 -12,100,000 -2,447,000 17,000,000 13,890,000 810,000 3,712,000 -9,740,000 2,582,000 11,106,000 12,965,000 8,683,000 1,886,000 8,794,000 11,954,000 21,399,000 21,542,000 15,167,000 12,646,000 8,986,000 8,458,000 7,883,000 
        liabilities and stockholders’ equity
                                                                                   
        total stockholders’ equity
                                                               418,963,000 402,404,000 360,449,000         238,172,000 228,419,000 225,482,000 215,401,000 200,180,000 187,536,000 173,925,000 166,023,000 158,594,000 
        income taxes receivable
                                                                4,419,000 2,376,000 2,663,000 5,199,000 2,960,000 3,193,000 2,558,000 975,000 1,995,000 1,585,000 1,968,000 1,015,000 935,000 2,252,000 3,145,000 7,663,000 5,881,000   
        deferred income taxes, net and other long-term liabilities
                                                                4,661,000                   
        46,988,566 and 46,076,472 shares issued and outstanding at december 31, 2010 and 2009, respectively
                                                                  5,000                 
        property, plant, and equipment
                                                                   111,847,000                
        accumulated deficit
                                                                   -21,495,000 -34,721,000 -45,027,000 -48,424,000 -51,546,000 -53,801,000 -52,572,000 -53,843,000 -62,903,000 -73,796,000 -82,348,000 -90,497,000 -98,834,000 -107,391,000 -113,779,000 -120,392,000 
        property, plant, and equipment — net
                                                                      111,453,000    114,492,000    96,369,000    67,153,000 
        common stock
                                                                      5,000    4,000    4,000    4,000 
        commitments and contingencies ipg photonics corporation stockholders’ equity:
                                                                                   
        deferred income taxes and other long-term
                                                                                   
        liabilities
                                                                         2,089,000          
        marketable securities, at fair value
                                                                             1,000,000 6,950,000     
        minority interests
                                                                          5,127,000 4,896,000 5,270,000 4,801,000 4,455,000 4,067,000 3,415,000 3,199,000 2,827,000 
        stockholders’ equity:
                                                                                   
        notes receivable from stockholders
                                                                                 -23,000 -23,000 
        inventories — net
                                                                                  42,162,000 
        employee and stockholder loans
                                                                                  86,000 
        series b warrants
                                                                                   
        convertible redeemable preferred stock, 0.0001 par value:
                                                                                   
        series b — no shares designated, issued and outstanding at december 31, 2006; 3,800,000 shares designated, issued and outstanding at december 31, 2005
                                                                                   
        series d — no shares designated, issued and outstanding at december 31, 2006; 5,400,000 shares designated, 2,684,211 shares issued and outstanding at december 31, 2005
                                                                                   
        stockholders’ equity
                                                                                   
        preferred stock, 0.0001 par value — 5,000,000 and 15,000,000 shares authorized at december 31, 2006 and 2005, respectively; series a — 500,000 shares designated, 488,000 shares issued and outstanding at december 31, 2005
                                                                                   
        deferred compensation
                                                                                   
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 
                                                                                    
          cash flows from operating activities:
                                                                                    
          net income
        13,270,000 7,463,000 6,605,000 3,758,000 7,815,000 -233,594,000 20,154,000 24,099,000 41,428,000 54,994,000 62,321,000 60,135,000 -92,895,000 76,698,000 57,331,000 69,628,000 65,268,000 74,699,000 69,677,000 68,222,000 49,676,000 35,530,000 38,366,000 36,766,000 -4,303,000 57,127,000 72,521,000 54,916,000 75,466,000 100,752,000 121,617,000 106,334,000 52,956,000 115,597,000 104,103,000 74,932,000 75,129,000 69,227,000 67,032,000 49,328,000 60,678,000 62,759,000 61,244,000 57,346,000 56,431,000 55,200,000 48,283,000 40,531,000 36,595,000 42,338,000 41,720,000 35,127,000 34,912,000 42,435,000 39,849,000 30,548,000 31,855,000 34,269,000 31,507,000 23,378,000 27,268,000 13,315,000 10,345,000 3,424,000 3,157,000 2,266,000 -1,165,000 1,026,000 9,060,000 10,893,000 8,552,000 8,149,000 8,337,000 8,557,000 6,388,000 6,613,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                                                    
          depreciation and amortization
        20,055,000 15,632,000 15,826,000 15,341,000 14,820,000 15,117,000 15,292,000 16,214,000 16,943,000 17,335,000 17,454,000 17,889,000 20,712,000 22,748,000 23,669,000 23,435,000 24,203,000 24,151,000 24,157,000 23,819,000 23,366,000 23,838,000 23,251,000 24,099,000 23,737,000 25,045,000 24,684,000 22,802,000 21,377,000 20,167,000 19,504,000 19,223,000 18,152,000 16,702,000 15,210,000 14,504,000 13,829,000 13,993,000 12,259,000 11,394,000 11,336,000 10,903,000 10,433,000 9,743,000 9,203,000 9,321,000 8,986,000 8,102,000 8,110,000 8,529,000 7,668,000 7,217,000 6,976,000 6,810,000 6,143,000 6,215,000 5,780,000 6,227,000 6,297,000 5,658,000 5,747,000 5,584,000 5,288,000 5,226,000 5,148,000 4,981,000 4,663,000 4,380,000 4,733,000 3,576,000 3,916,000 3,609,000 3,749,000 3,145,000 2,685,000 2,725,000 
          deferred income taxes
        -6,442,000 -5,277,000 -8,437,000 6,476,000 -6,897,000 -19,483,000 -3,324,000 4,044,000 -8,954,000 -9,900,000 -11,041,000 16,106,000 -6,025,000 -10,346,000 -7,807,000 -3,397,000 -2,128,000 -2,901,000 -5,800,000 3,944,000 -2,691,000 -11,713,000 2,526,000 -935,000 -11,275,000 -6,842,000 -6,571,000 9,199,000 -7,530,000 -3,143,000 -1,304,000 7,401,000 8,347,000 10,001,000 325,000 4,208,000 -854,000 -2,786,000 -6,527,000 -2,741,000 -9,000 -5,026,000 -7,826,000 5,708,000 4,468,000 -1,061,000 -2,283,000 -2,610,000 1,423,000 -4,206,000 -7,709,000 4,324,000 2,841,000 2,316,000 -2,465,000 2,854,000 -852,000 -6,060,000 1,423,000 5,201,000 2,474,000 693,000 -357,000 -2,409,000 4,032,000 -2,420,000 -1,525,000 -4,174,000 4,074,000 1,305,000 -902,000 -2,032,000 4,146,000 3,590,000 -311,000 691,000 
          stock-based compensation
        10,154,000 10,745,000 11,294,000 10,754,000 7,692,000 11,096,000 8,544,000 9,738,000 12,110,000 8,143,000 9,673,000 9,576,000 9,101,000 8,762,000 10,445,000 9,994,000 9,328,000 9,858,000 9,863,000 8,815,000 9,078,000 8,741,000 9,223,000 8,430,000 7,792,000 8,540,000 8,893,000 8,138,000 6,584,000 7,719,000 7,309,000 6,415,000 6,032,000 5,930,000 5,708,000 5,351,000 5,635,000 5,663,000 5,477,000 4,959,000 5,114,000 5,013,000 4,735,000 4,127,000 4,105,000 3,895,000 3,905,000 3,267,000 3,116,000 3,132,000 2,940,000 2,532,000 2,207,000 2,159,000 2,201,000 1,998,000 1,868,000 1,879,000 1,694,000 2,607,000 718,000 915,000 793,000 770,000 775,000 787,000 570,000 635,000 575,000 495,000 617,000 387,000 419,000 396,000   
          impairment of long-lived assets and restructuring (recoveries)
                                                                                    
          unrealized loss on foreign currency transactions
        -4,200,000 590,000 2,746,000 42,000      -2,506,000    -4,229,000        -13,022,000 10,852,000 -19,589,000  2,848,000 3,918,000 267,000  -723,000                                               
          net loss from divestitures and sales of assets
                                                                                    
          provisions for inventory, warranty and bad debt
        11,548,000 9,686,000 10,204,000 11,876,000 13,943,000 46,069,000 15,604,000 14,761,000 17,169,000 12,043,000 14,632,000 17,214,000 94,662,000 20,346,000 22,502,000 16,142,000 18,077,000 17,710,000 15,969,000 16,685,000 28,013,000 18,075,000 10,998,000 13,486,000                                       2,757,000 1,718,000  2,483,000 2,424,000 3,728,000  2,556,000 1,779,000 1,710,000     
          amortization of premium/discount on investments
        -2,314,000 -3,395,000 -4,430,000 -3,878,000 -1,981,000 -2,669,000 -5,789,000 -7,218,000                                                                     
          other
        1,080,000 1,294,000 1,193,000 1,402,000 1,121,000 8,357,000 197,000 -5,713,000 18,191,000 -4,114,000 -4,639,000 -4,244,000 -2,541,000 435,000 1,392,000 2,368,000 2,790,000 2,257,000 2,109,000 1,462,000 1,819,000 4,188,000 1,620,000 1,015,000 2,466,000 684,000 47,000 123,000 -1,650,000 -1,755,000 -185,000 4,000 287,000 11,000 -154,000 842,000 2,531,000 -101,000 119,000 175,000 319,000 96,000 45,000 50,000 -5,000 129,000 -87,000 422,000 -307,000 -91,000 476,000 -16,000 -57,000 26,000 12,000 17,000 18,000 823,000 -293,000 1,042,000 193,000 -41,000 -10,000 -7,000 -9,000 11,000 -31,000 315,000 -48,000 -295,000 -223,000 23,000 -31,000 -196,000 162,000 
          changes in assets and liabilities that (used) provided cash, net of acquisitions:
                                                                                    
          accounts receivable
        -16,134,000 34,374,000 -18,888,000 -4,113,000 -5,057,000 13,424,000 6,155,000 32,305,000 14,631,000 -1,150,000 766,000 -24,642,000 -8,417,000 40,957,000 -1,061,000 2,621,000 10,190,000 -24,806,000 5,165,000 7,360,000 -15,330,000 -30,703,000 -1,481,000 34,492,000 17,338,000 13,494,000 -43,909,000 22,853,000 7,244,000 -16,567,000 -17,433,000 7,942,000 -6,809,000 17,218,000 -50,833,000 -22,801,000 -591,000 -13,738,000 -5,255,000 8,140,000 968,000 11,744,000 -19,863,000 -11,885,000 -10,592,000 -17,206,000 -16,347,000 -4,373,000 16,951,000 -5,730,000 -12,962,000 -8,250,000 13,808,000 -23,213,000 -1,098,000 -12,203,000 2,533,000 -9,293,000 -14,842,000 -2,086,000 -3,203,000 -11,365,000 -11,843,000 -897,000 -1,461,000 2,533,000 -2,084,000 10,281,000 -2,229,000 -3,391,000 -658,000 -2,188,000 -1,118,000 -5,523,000 -2,300,000 -2,351,000 
          inventories
        -913,000 -28,168,000 -14,870,000 -8,967,000 17,965,000 12,719,000 15,543,000 1,498,000 22,559,000 -8,633,000 -3,114,000 -8,989,000 -40,054,000 -49,726,000 -48,282,000 -50,951,000 -44,370,000 -44,164,000 -41,136,000 -20,084,000 -5,687,000 -19,053,000 -4,731,000 -10,429,000 22,927,000 -10,243,000 -21,070,000 -19,719,000 -13,389,000 -31,037,000 -41,270,000 -49,744,000 -31,383,000 -13,877,000 -3,412,000 -22,408,000 -10,812,000 -8,146,000 -15,303,000 -19,365,000 -18,393,000 -18,961,000 -19,313,000 -13,898,000 -12,026,000 -15,232,000 -11,132,000 -3,856,000 -6,650,000 -19,891,000 -16,830,000 -6,984,000 -5,925,000 -6,902,000 -6,121,000 -4,027,000 -3,878,000 -17,068,000 -21,473,000 -13,720,000 -9,013,000 -8,490,000 -6,166,000 -3,349,000 2,756,000 1,158,000 827,000 859,000 175,000 -6,085,000 -8,453,000 -7,298,000 -706,000 -2,853,000 -8,462,000 -3,284,000 
          prepaid expenses and other current assets
                                    -2,137,000 -2,934,000 147,000 -2,138,000 649,000 1,208,000 1,204,000 -3,972,000 33,000 -3,450,000 -474,000 -178,000 -209,000 117,000 2,668,000 -723,000 -5,553,000 -234,000 5,167,000 -4,731,000 -502,000 -1,975,000 709,000 -2,212,000 2,436,000 -2,039,000 1,099,000 -2,395,000 978,000 2,807,000 55,000 -4,610,000 -3,738,000 -1,360,000 353,000 38,000  -662,000 2,024,000 -1,626,000 3,280,000 2,498,000 414,000 618,000 364,000 -4,500,000 598,000 -3,218,000 
          accounts payable
        -3,080,000 -1,526,000 3,449,000 5,491,000 -5,798,000 2,996,000 1,002,000 274,000 -6,088,000 -2,759,000 -2,872,000 -4,600,000 -9,337,000 -5,968,000 11,579,000 -8,448,000 4,701,000 1,417,000 5,899,000 18,980,000 -10,761,000 -4,426,000 7,191,000 6,054,000 -2,120,000 -7,692,000 -2,400,000 1,955,000 -107,000 -10,846,000 8,393,000 1,134,000 -1,114,000 1,509,000 3,474,000 -1,560,000 9,409,000 -1,375,000 -1,692,000 -6,749,000 5,287,000 97,000 5,653,000 -1,231,000 1,938,000 4,008,000 -3,200,000 516,000 2,982,000 -4,516,000 4,444,000 -1,936,000 2,205,000 -14,000 1,482,000 702,000 -3,490,000 587,000 1,759,000 3,129,000 -59,000 -721,000 4,590,000 -399,000 983,000 -1,146,000 821,000 -1,156,000 -2,786,000 988,000 -1,267,000 798,000 67,000 -1,821,000 2,933,000 -93,000 
          accrued expenses and other current liabilities
                                                                                    
          income and other taxes payable
        -6,045,000 1,773,000 -15,232,000 -11,685,000 18,026,000 726,000 -18,306,000 -1,125,000 4,755,000 24,945,000 -2,898,000 -9,749,000 3,691,000 -160,000 -3,483,000 -14,180,000 -1,146,000 45,598,000 6,251,000 -14,847,000 5,008,000 15,491,000 -22,824,000 -21,012,000 5,811,000 7,113,000 940,000 -57,801,000 19,374,000 1,812,000 8,762,000 5,264,000 43,585,000 -4,853,000 -11,932,000 -10,081,000 -3,307,000 3,214,000 -25,236,000 14,583,000 -7,972,000 10,434,000 -649,000 7,716,000 6,372,000 462,000 -896,000 -175,000 -5,598,000 7,226,000 7,831,000 -40,243,000 2,080,000 7,997,000 5,855,000 5,186,000 6,011,000 11,347,000 148,000 -4,577,000 3,928,000 -1,233,000 2,537,000 236,000  2,693,000 -69,000 2,772,000  -790,000 1,798,000 2,132,000 -1,181,000 -2,706,000 -6,262,000 -855,000 
          net cash from operating activities
        28,809,000 35,306,000 -2,216,000 13,445,000 73,784,000 66,058,000 53,458,000 54,596,000 106,062,000 85,978,000 66,666,000 37,280,000 41,623,000 75,865,000 78,738,000 16,423,000 84,544,000 101,966,000 115,647,000 87,543,000 85,318,000 69,761,000 73,475,000 56,781,000 129,939,000 91,803,000 58,124,000 43,655,000 113,050,000 71,700,000 108,898,000 99,653,000 108,545,000 163,748,000 82,282,000 50,820,000 99,287,000 87,727,000 41,281,000 63,993,000 61,960,000 93,201,000 49,402,000 52,008,000 56,018,000 47,212,000 33,484,000 43,391,000 58,406,000 36,687,000 35,613,000 -11,339,000 58,771,000 38,050,000 51,450,000 27,005,000 31,356,000 29,003,000 13,730,000 13,262,000 34,025,000 5,969,000 15,562,000 7,876,000 16,713,000 13,892,000 6,290,000 17,510,000 9,645,000 13,378,000 6,289,000 5,359,000 11,163,000 1,485,000 -2,569,000 578,000 
          capital expenditures
        2,147,000 285,000 -1,125,000 2,462,000 2,934,000 2,226,000 -897,000 1,708,000 1,559,000 480,000 326,000 528,000 -584,000 -143,000 549,000 -875,000 750,000 -332,000 -9,915,000 -21,133,000 -13,996,000 -17,027,000 -16,631,000 -14,943,000 8,000 -23,497,000 -11,932,000 -18,555,000 -11,727,000 -12,779,000 -9,462,000 -14,296,000 244,000 -3,581,000 -4,834,000 50,000 -2,164,000 -3,045,000 -4,321,000 235,000 -8,454,000 -7,676,000 -12,378,000 -8,599,000 -10,597,000 -7,262,000 
          free cash flows
        30,956,000 35,591,000 -3,341,000 15,907,000 76,718,000 68,284,000 52,561,000 56,304,000 107,621,000 85,978,000 66,666,000 37,280,000 41,623,000 75,865,000 78,738,000 16,423,000 84,544,000 101,966,000 115,647,000 87,543,000 85,318,000 69,761,000 73,475,000 56,781,000 129,939,000 91,803,000 58,124,000 43,655,000 113,050,000 71,700,000 108,898,000 99,653,000 108,545,000 163,748,000 82,282,000 50,820,000 99,287,000 87,727,000 41,761,000 64,319,000 62,488,000 92,617,000 49,259,000 52,557,000 55,143,000 47,962,000 33,152,000 33,476,000 37,273,000 22,691,000 18,586,000 -27,970,000 43,828,000 38,058,000 27,953,000 15,073,000 12,801,000 17,276,000 951,000 3,800,000 19,729,000 6,213,000 11,981,000 3,042,000 16,763,000 11,728,000 3,245,000 13,189,000 9,880,000 4,924,000 -1,387,000 -7,019,000 11,163,000 -7,114,000 -13,166,000 -6,684,000 
          cash flows from investing activities:
                                                                                    
          purchases of and deposits on property, plant and equipment
        -17,891,000 -20,731,000 -15,358,000 -24,818,000 -23,166,000 -23,088,000 -24,218,000 -28,052,000 -25,227,000 -26,117,000 -25,735,000 -33,404,000 -25,589,000 -24,649,000 -34,726,000 -25,177,000  -39,513,000 -26,923,000 -27,421,000  -24,501,000 -19,569,000 -17,801,000  -21,048,000 -53,504,000 -32,988,000  -36,839,000 -57,403,000 -39,113,000  -55,589,000 -21,757,000 -21,875,000  -29,184,000 -45,903,000 -24,960,000  -18,153,000 -18,579,000 -14,027,000  -26,942,000                               
          proceeds from sales of property, plant and equipment
        317,000 42,000 380,000 183,000 40,000 264,000 3,012,000 25,262,000 816,000 28,685,000 140,000 1,600,000 26,025,000 192,000 217,000 428,000 550,000 601,000 128,000 130,000 200,000 229,000 321,000 139,000 313,000 60,000 107,000 181,000 271,000 114,000 431,000 210,000 445,000 153,000 15,185,000 99,000 438,000 36,000 55,000 129,000 -67,000 92,000 8,000 131,000 16,000 164,000 135,000 119,000 34,000 36,000 77,000 89,000                         
          purchases of investments
        -76,921,000                             -276,668,000                                               
          proceeds from maturities of investments
        121,690,000                                                                            
          acquisitions of businesses, net of cash acquired
                    -2,000,000         -15,115,000 -104,692,000 -1,000   -9,889,000                                            
          net cash outflow from divestiture
                                                                                    
          net cash from investing activities
        27,674,000 -31,388,000 12,870,000 -274,386,000  162,635,000 284,908,000 23,736,000 -74,558,000 -72,455,000 5,477,000 -96,018,000 -110,513,000 127,244,000 277,751,000 2,470,000 -111,458,000 -21,181,000 -222,949,000 -60,694,000 -3,496,000 -60,874,000 104,550,000 -139,754,000 -28,738,000 -4,979,000 -83,106,000 -23,152,000 -146,131,000 -188,547,000 -188,878,000 -39,443,000 -77,489,000 -138,020,000 24,330,000 20,374,000 -107,504,000 -29,279,000 -92,941,000 -44,684,000 -126,144,000 -18,084,000 -18,545,000 -18,794,000 -15,841,000 -28,754,000 -34,180,000 -11,305,000 -22,642,000 -13,999,000 -16,408,000 -22,837,000 -17,085,000 -17,854,000 -13,689,000 -6,629,000 -44,088,000 -11,887,000 -13,236,000 -9,888,000 -14,421,000 -5,446,000 -7,172,000 -5,520,000 -1,117,000 -1,742,000 -3,116,000 -4,664,000 -8,584,000 -10,329,000 -6,286,000 -8,453,000 -15,162,000 -8,952,000 -10,570,000 -7,194,000 
          cash flows from financing activities:
                                                                                    
          principal payments on long-term borrowings
                -15,733,000 -298,000 -297,000 -15,897,000 -968,000 -964,000 -959,000 -955,000 -950,000 -946,000 -942,000 -936,000 -934,000 -928,000 -924,000 -920,000 -916,000 -911,000 -908,000 -902,000 -899,000 -895,000 -891,000 -691,000 -17,463,000 -797,000 -797,000 -797,000 -500,000 -500,000 -500,000 -500,000 -11,500,000 -833,000 -667,000 -333,000 -334,000 -333,000 -334,000 -333,000 -546,000 -1,640,000 -269,000 -372,000 -1,116,000 -360,000 -386,000 -380,000 -333,000 -333,000   -334,000 -333,000 -333,000 -334,000 -333,000 -344,000 -341,000 -356,000   -18,177,000 
          payments for taxes related to net share settlement of equity awards less proceeds from issuance of common stock under employee stock option and purchase plans
        3,256,000                                                                            
          purchase of treasury stock, at cost including excise tax
                                                                                    
          net cash from financing activities
        -3,273,000 -16,462,000 -28,787,000 -5,670,000 -55,012,000 -74,381,000 -119,454,000 -90,774,000 -60,389,000 -46,198,000 -12,557,000 -117,236,000 -113,688,000 -89,411,000 -231,005,000 -80,445,000 -52,947,000 -36,435,000 -34,047,000 -1,637,000 15,485,000 -2,094,000 -2,679,000 -20,792,000 -10,043,000 -22,881,000 2,917,000 -7,060,000 -64,518,000 -59,902,000 -24,374,000 -17,853,000 -8,609,000 30,654,000 -21,681,000 -3,736,000 3,301,000 -3,859,000 30,370,000 3,039,000 4,166,000 -925,000 -4,348,000 6,477,000 6,888,000 38,000 3,732,000 871,000 10,725,000 1,697,000 -6,299,000 8,026,000 -34,115,000 5,155,000 -60,652,000 171,699,000 372,000 1,825,000 25,552,000 4,136,000 33,632,000 3,023,000 69,000 1,040,000 -8,435,000 -14,923,000 1,510,000 9,568,000 5,646,000 -3,155,000 6,344,000 3,651,000 -3,069,000 5,428,000 10,725,000 -19,871,000 
          effect of changes in exchange rates on cash and cash equivalents
        4,554,000 -614,000 14,271,000 9,617,000 -20,056,000 9,019,000 5,176,000 -5,780,000  -12,112,000 -7,652,000 -1,098,000                 -5,649,000 7,563,000 -47,977,000 16,866,000 7,186,000 15,774,000 25,402,000 6,465,000 -16,787,000 3,683,000 -5,116,000 8,812,000 -8,670,000 5,520,000 3,525,000 -20,367,000 -12,433,000 -14,410,000 -213,000 -1,124,000 3,932,000 4,486,000 863,000 -2,188,000 3,913,000 1,640,000 -8,602,000 4,762,000 -3,992,000 -10,551,000 1,532,000 5,248,000 -2,006,000 2,429,000 -2,211,000 -1,909,000 -550,000 1,014,000 1,783,000 -2,096,000 237,000 -481,000 -119,000 169,000 290,000 80,000 -6,000 -51,000 
          net increase in cash and cash equivalents
        57,764,000 -13,158,000   -263,831,000 163,331,000    -44,787,000                   -103,248,000 -169,186,000 -152,331,000 59,223,000 29,633,000 72,156,000 110,333,000 73,923,000 -21,703,000 58,272,000 -26,406,000 31,160,000 -68,688,000 79,712,000 30,034,000 19,324,000 34,632,000 4,086,000 2,823,000 31,833,000 50,421,000 28,871,000 13,769,000 -28,338,000 11,484,000 26,991,000 -31,493,000 196,837,000 -16,352,000 8,390,000 27,578,000 12,758,000  5,975,000 6,248,000 1,487,000 6,611,000 -1,759,000 6,467,000 20,318,000 6,944,000 -587,000 6,228,000 726,000 -6,778,000 -1,959,000 -2,420,000 -26,538,000 
          cash and cash equivalents — beginning of year
                                                                                    
          cash and cash equivalents — end of year
                                                                                    
          supplemental disclosure of cash flow information:
                                                                                    
          cash paid for interest
        90,000 128,000 3,000 5,000 182,000 1,000 90,000 4,000 174,000 163,000 422,000 525,000 448,000 1,166,000 743,000 857,000 782,000 544,000 685,000 703,000 584,000 589,000 614,000 447,000 1,028,000 491,000 415,000 749,000 650,000 730,000 873,000 799,000 618,000 990,000 528,000 447,000 319,000 274,000 178,000 171,000 185,000 155,000 240,000 293,000 -49,000 79,000 121,000 102,000 18,000 25,000 77,000 88,000 311,000 142,000 160,000 251,000 280,000 295,000 259,000 255,000 241,000 242,000 234,000 281,000 298,000 369,000 391,000 403,000 461,000 468,000 741,000 108,000 188,000 203,000   
          cash paid for income taxes
        12,750,000 11,340,000 22,344,000 10,574,000 1,727,000 4,740,000 26,160,000 8,005,000 7,915,000 -3,177,000 38,975,000 19,203,000 29,429,000 22,056,000 36,292,000 25,423,000 27,016,000 -5,827,000 20,469,000 21,340,000 19,966,000 12,225,000 23,805,000 29,865,000 19,779,000 23,317,000 22,417,000 51,438,000 17,961,000 30,306,000 44,949,000 19,546,000 36,899,000 37,704,000 49,585,000 31,371,000 34,425,000 26,061,000 54,523,000 11,955,000 25,953,000 20,648,000 32,839,000 11,889,000 16,814,000 15,205,000 20,632,000 20,893,000 15,504,000 12,799,000 13,495,000 47,813,000  6,521,000 7,691,000 6,755,000                     
          cash paid for excise tax on net share repurchases
                                                                                    
          non-cash transactions:
                                                                                    
          demonstration units transferred from inventory to other assets
        2,792,000 1,713,000 2,342,000 1,532,000 2,336,000 1,386,000 1,262,000 1,736,000 1,532,000 1,135,000 1,238,000 1,499,000 1,658,000 1,316,000 1,287,000 917,000 1,484,000 1,541,000 1,595,000 1,109,000 1,393,000 2,445,000 3,193,000 1,086,000 1,475,000 2,320,000 3,388,000 3,184,000 2,483,000 2,067,000 1,274,000 446,000 824,000 1,445,000 1,043,000 802,000 3,377,000 1,170,000 1,123,000 623,000 1,186,000 516,000 845,000 634,000 879,000 1,331,000 708,000 610,000 742,000 775,000 1,785,000 625,000 533,000 916,000 656,000 526,000 1,599,000 894,000 502,000 789,000 158,000 810,000               
          inventory transferred to machinery and equipment
        1,096,000 625,000 326,000 644,000 1,342,000 902,000   552,000 484,000 2,285,000 -554,000  675,000 984,000 780,000  612,000 626,000 727,000  434,000 634,000 1,294,000  1,806,000 4,938,000 1,506,000  -2,886,000 3,382,000 1,618,000  2,556,000 480,000 1,051,000  2,927,000 768,000 361,000  1,299,000 788,000 284,000  273,000 313,000 717,000                             
          additions to property, plant and equipment included in accounts payable
        2,147,000 285,000 -1,125,000 2,462,000 2,934,000 2,226,000 -897,000 1,708,000 1,559,000                              480,000 326,000 528,000 -584,000 -143,000 549,000 -875,000 750,000 -332,000 1,541,000 1,453,000 74,000 -510,000 1,115,000 1,526,000 8,000 -1,310,000 1,847,000 -298,000 237,000 420,000 125,000 -123,000 244,000 167,000 119,000 50,000 -310,000 -5,000 365,000 235,000 710,000 -313,000 584,000     
          leased assets obtained in exchange for new operating lease liabilities
        1,267,000 1,752,000 1,506,000 2,979,000 3,118,000 332,000 327,000 2,418,000 2,404,000 1,265,000 331,000 457,000 1,329,000 540,000 1,468,000 4,229,000 4,989,000 1,242,000 849,000 409,000 1,271,000 1,324,000 610,000 830,000 2,726,000 1,246,000 4,343,000 6,355,000                                                 
          excise tax on net share repurchases accrued in period
                                                                                    
          impairment of long-lived assets
                                                                                  
          net loss from divestiture and sale of assets
                                                                                    
          changes in assets and liabilities that provided (used) cash, net of acquisitions:
                                                                                    
          prepaid expenses and other assets
         -3,073,000 -2,429,000 -6,087,000  2,642,000 200,000 -7,343,000  9,976,000 -5,061,000 -10,419,000  1,662,000 1,870,000 3,052,000  -6,636,000 -1,135,000 -1,052,000  128,000 6,926,000 -9,119,000  2,471,000 7,332,000 1,284,000                                                 
          accrued expenses and other liabilities
         -4,812,000 10,753,000 -6,965,000 -612,000 -8,478,000 -2,035,000 -26,230,000 -5,047,000 -11,910,000 -8,616,000 -19,120,000 -3,220,000 -4,485,000 -4,394,000 -31,448,000 16,752,000 7,368,000 18,556,000 -17,961,000 2,740,000 -1,902,000 -9,113,000 -6,477,000 -11,197,000 -16,793,000 954,000 -10,274,000 429,000 -2,235,000 -8,351,000 -9,509,000 7,803,000 -293,000 2,761,000 -659,000 1,632,000 8,189,000 4,037,000 -8,378,000 -3,043,000 6,053,000 377,000 -2,774,000 -4,220,000 2,823,000 -4,104,000 3,934,000 -3,015,000 3,614,000 1,778,000 -2,658,000 -6,874,000 2,641,000 2,461,000 -6,383,000 -4,338,000 220,000 3,282,000 -5,975,000 6,157,000 2,725,000 9,603,000 3,634,000 -832,000 1,166,000 291,000 -697,000 -2,618,000 2,644,000 319,000 -649,000 -4,604,000 1,988,000 -89,000 -184,000 
          purchase of treasury stock net of excise tax, at cost
         -16,399,000 -30,309,000 105,000                                                                         
          cash and cash equivalents — beginning of period
         620,040,000  514,674,000  698,209,000             544,358,000 909,900,000 623,855,000 582,532,000 522,150,000 448,776,000 384,053,000   147,860,000 82,920,000  51,283,000 37,972,000 75,667,000 
          cash and cash equivalents — end of period
         -13,158,000 -3,862,000 363,046,000  163,331,000 224,088,000 496,452,000  -44,787,000 51,934,000 521,137,000  97,486,000 129,271,000 642,517,000  40,705,000 -142,542,000 896,741,000         -103,248,000 -169,186,000 -152,331,000 969,123,000 29,633,000 72,156,000 110,333,000 697,778,000 -21,703,000 58,272,000 -26,406,000 613,692,000 -68,688,000 79,712,000 30,034,000 541,474,000 34,632,000 4,086,000 2,823,000 480,609,000 50,421,000 28,871,000 13,769,000 355,715,000 11,484,000 26,991,000   -16,352,000 8,390,000 27,578,000 160,618,000 51,230,000 5,975,000 6,248,000 84,407,000 6,611,000 -1,759,000 6,467,000 71,601,000 6,944,000 -587,000 6,228,000 38,698,000 -6,778,000 -1,959,000 -2,420,000 49,129,000 
          purchases of short-term investments
          -246,805,000 -333,009,000 -289,975,000 -121,635,000 -75,020,000 -226,521,000 -334,408,000 -315,108,000 -239,527,000 -343,820,000 -202,424,000 -330,770,000 -108,393,000 -475,435,000 -503,412,000 -423,160,000 -500,469,000 -513,564,000            -70,777,000 -65,247,000 -75,341,000 -43,071,000 -28,173,000 -120,134,000 -117,163,000 -32,312,000 -29,899,000                                     
          proceeds from short-term investments
          274,653,000 83,206,000  332,221,000 381,103,000 252,890,000  239,965,000 270,380,000 279,499,000 90,472,000 430,226,000 419,839,000 505,818,000 421,092,000 441,422,000 304,860,000 480,163,000 401,408,000 274,904,000 236,888,000 186,024,000 199,577,000 233,821,000 131,824,000 202,856,000       85,801,000 70,370,000 40,000,000 117,088,000 31,720,000 10,000,000             -1,000 9,765,000 8,686,000 7,001,000                     
          payments for taxes related to net share settlement of equity awards less proceeds from issuance of common stock under employee stock options
          1,522,000 -5,775,000                                                                         
          net decrease in cash and cash equivalents
           -256,994,000    -18,222,000    -177,072,000                                                                 
          proceeds from sale of short-term investments
                                                                                    
          net cash (outflow) inflow from divestiture
                                                                                    
          net cash provided (used in) by investing activities
                                                                                    
          proceeds from issuance of common stock under employee stock option and purchase plans less payments for taxes related to net share settlement of equity awards
            2,325,000 78,000 2,950,000 -1,158,000 3,579,000 299,000 3,113,000 -3,844,000 3,230,000 265,000 2,812,000 -724,000 4,831,000 860,000 5,586,000 4,981,000 16,427,000 8,496,000 13,769,000 -5,498,000 5,692,000 1,676,000 6,117,000 -6,149,000 68,000 1,484,000 7,518,000 3,113,000 5,358,000 6,144,000                                           
          purchase of treasury stock, at cost
            -57,337,000 -74,459,000 -122,404,000 -89,616,000 -63,968,000 -46,497,000 63,000 -113,094,000 -116,621,000 -71,279,000 -232,849,000 -78,757,000 -56,818,000 -36,340,000 -38,683,000 -3,048,000 -9,654,000 -15,514,000 -12,716,000 -14,811,000 -23,637,000   -64,139,000 -60,862,000 -30,993,000 -20,071,000 -13,076,000 -2,799,000 -11,573,000 -12,539,000 -5,463,000                                        
          purchase of non-controlling interests
                                                                                   
          impairment of long-lived assets and restructuring charges (recoveries)
                                                                                   
          unrealized gain on foreign currency transactions
             369,000 221,000 -708,000    -1,877,000    -2,393,000  -2,585,000 6,072,000 -7,800,000                                                         
          inventory transferred to (from) machinery and equipment
               498,000                                                                     
          gain on divestiture and sales of asset
                                                                                    
          proceeds from divestiture, net of cash sold
                    800,000                                                                
          payment of purchase price holdback from business combination
                        -1,000 -2,624,000 -1,650,000                                                     
          effect of changes in exchange rates on cash, cash equivalents and restricted cash
                    11,513,000 -16,212,000 3,787,000 -5,036,000 -5,938,000 -3,645,000 -1,193,000 -7,024,000 15,196,000 9,215,000 2,355,000 -6,878,000 8,708,000 -13,802,000 3,238,000 -5,997,000                                                 
          net decrease in cash, cash equivalents and restricted cash
                                                                                    
          cash, cash equivalents and restricted cash — beginning of year
                                                                                    
          cash, and cash equivalents — end of year
                                                                                    
          gain on divestiture
                                                                                    
          changes in accounts payable related to property, plant and equipment
                  80,000 1,109,000 -916,000 1,897,000 738,000 -646,000 -645,000 1,045,000 -447,000 863,000 -1,323,000 -1,049,000 -4,686,000 6,983,000 -1,417,000 762,000 142,000 1,817,000 485,000 -1,654,000 1,613,000 -3,296,000 1,609,000                                            
          goodwill impairment
                                                                                   
          net increase in cash, cash equivalents and restricted cash
                    -171,065,000 97,486,000 129,271,000 -66,588,000 -85,799,000 40,705,000 -142,542,000 18,188,000 112,503,000 16,008,000 177,701,000 -110,643,000 99,866,000   7,446,000                                                 
          property, plant and equipment transferred from inventory
                                                                                    
          impairment of long-lived assets and other restructuring charges
                                                                                    
          cash, cash equivalents and restricted cash — beginning of period
                     709,105,000  878,553,000  682,984,000                                                     
          adjustments to reconcile net income to net cash (used) provided by operating activities:
                                                                                    
          purchases of property, plant and equipment
                                                       -11,456,000 -22,586,000 -14,070,000 -16,517,000 -17,746,000 -16,469,000                     -8,599,000 -10,597,000 -7,262,000 
          proceeds from line-of-credit facilities
                                   255,000 4,827,000 1,934,000 1,962,000 2,028,000 1,788,000 2,214,000 5,381,000 -1,926,000 5,816,000 3,616,000 7,231,000 10,675,000 4,487,000 10,889,000 2,719,000 2,153,000 3,074,000 8,897,000 3,113,000 2,698,000 1,922,000 5,027,000 1,990,000 1,732,000 3,322,000 3,629,000 4,681,000 3,604,000 1,269,000 4,274,000 1,663,000 891,000 2,974,000 13,528,000 8,644,000 6,922,000 8,201,000 5,926,000 9,499,000 6,745,000 14,246,000 6,052,000 
          payments on line-of-credit facilities
                                   -255,000 -4,827,000 -1,934,000 -1,962,000 -2,028,000 -1,779,000 -2,223,000 -5,447,000 429,000 -4,721,000 -5,488,000 -6,787,000 -10,925,000 -4,050,000 -11,861,000 -971,000 -2,428,000 -11,176,000 -1,415,000 -5,585,000 -1,913,000 -7,359,000 -2,333,000 -2,532,000 -1,281,000 -2,773,000 -4,044,000 -2,457,000 -5,596,000 -1,921,000 -3,112,000 -11,072,000 -17,063,000 -1,418,000 -3,298,000 -5,254,000 -10,641,000 -3,456,000 -2,585,000 -13,970,000 -2,181,000 -4,349,000 -7,769,000 
          cash, cash equivalents and restricted cash — end of year
                                                                                    
          unrealized losses on foreign currency transactions
                                        -248,000 2,659,000   -3,746,000                        -563,000 2,078,000 -2,297,000 -106,000             
          purchases of short and long-term investments
                                                                                    
          cash contributed by non-controlling interest
                                                                                    
          purchases of short-term and long-term investments
                             -311,408,000 -113,126,000 -308,195,000  -217,846,000 -161,727,000 -178,101,000                                                 
          cash, cash equivalents and restricted cash — end of period
                             16,008,000 177,701,000 572,341,000 99,866,000 50,141,000 -18,827,000 551,804,000                                                 
          proceeds on long-term borrowings
                                                                                 
          provisions for inventory, warranty & bad debt
                                 16,051,000 12,785,000 9,912,000  10,490,000 10,774,000 9,318,000  11,936,000 13,752,000 9,002,000  13,047,000 11,532,000 8,927,000  10,610,000 10,787,000 8,017,000 8,130,000 7,699,000 6,923,000 5,284,000 11,772,000 7,948,000 6,550,000 3,705,000  6,260,000 4,703,000 3,799,000  4,803,000 3,250,000 3,806,000              483,000   
          changes in assets and liabilities that (used) provided cash:
                                                                                    
          cash contributed by non-controlling interests
                                                                                    
          cash flow from financing activities:
                                                                                    
          cash contributed by noncontrolling interest
                                                                                    
          purchase of noncontrolling interests
                                                                              
          supplemental disclosures of cash flow information:
                                                                                    
          proceeds from sales and maturities of investments
                                     124,728,000                                               
          cash contributed by noncontrolling interests
                                                                                    
          unrealized (gains) losses on foreign currency transactions
                                       -1,991,000    3,462,000                                         
          proceeds from sales of short-term investments
                                       70,161,000                                             
          acquisition of businesses, net of cash acquired
                                                -4,958,000            -300,000 -450,000               
          (reductions) additions to property, plant and equipment included in accounts payable
                                          -582,000 -1,310,000                                         
          exercise of employee stock options and shares withheld to cover employee restricted stock taxes
                                           9,600,000                                         
          tax benefit from exercise of employee stock options
                                               -904,000 -1,089,000 -157,000 -892,000 -4,773,000 -3,283,000 -270,000 -861,000 -1,565,000 -5,264,000 -1,254,000 -892,000 -1,464,000 -809,000 -2,775,000 -47,000 -1,048,000                     
          purchase of intangible assets
                                                                                   
          acquisition of businesses
                                                        -5,555,000                         
          exercise of employee stock options and issuances under employee stock purchase plan
                                            6,997,000 607,000 5,935,000 2,644,000 3,643,000 915,000 5,165,000 4,409,000 3,828,000 351,000 2,768,000 611,000 4,047,000 1,051,000 1,457,000 720,000 1,205,000 2,026,000 1,500,000 749,000                     
          property purchase financed with debt
                                                                -20,000 2,000 172,000 1,679,000                 
          excess tax benefit from exercise of equity instruments
                                             186,000                                       
          reductions to property, plant and equipment included in accounts payable
                                                                                    
          unrealized losses (gains) on foreign currency transactions
                                              -2,562,000 4,802,000                            1,513,000         
          unrealized gains on foreign currency transactions
                                                      -870,000 -1,355,000                             
          proceeds from sale of investment
                                                                                    
          realized and unrealized gains on cash and cash equivalents and unrealized gains on foreign currency transactions
                                                 -481,000 2,003,000 -5,415,000                                 
          (gains) losses on unrealized foreign currency transactions
                                                                                    
          purchase of redeemable noncontrolling interests
                                                                                    
          proceeds from follow-on public offering, net of offering expenses
                                                            -35,000 -59,000 -246,000 168,268,000                     
          distributions to shareholders
                                                                                    
          gain on sale of property, plant and equipment offset by related notes
                                                                                    
          unrealized (gain) loss on foreign currency transactions
                                                                                    
          changes in assets and liabilities that provided (used) cash:
                                                                                    
          gains on foreign currency transactions
                                                         1,563,000        -733,000 -193,000 744,000                 
          amounts related to acquisition of businesses included in accounts payable and accrued expenses and other long-term liabilities
                                                                                    
          (gains) losses on foreign currency transactions
                                                           -481,000                         
          losses (gains) on foreign currency transactions
                                                                                    
          (purchase) sale of redeemable nci
                                                                                    
          income taxes paid
                                                                  6,040,000 8,865,000 1,054,000 2,859,000 2,059,000 1,445,000 334,000 -464,000 2,264,000 2,795,000 2,827,000 3,898,000 2,111,000 2,915,000 -721,000 3,569,000   
          amounts related to acquisition of businesses included in accounts payable and accrued expenses and other liabilities
                                                                 882,000 -358,000               
          losses on foreign currency transactions
                                                               1,747,000                     
          sale of redeemable noncontrolling interests
                                                                                   
          change in fair value of warrant
                                                                 -84,000                   
          purchases of property, plant and equipment and intangible assets
                                                              -22,187,000 -13,779,000 -18,257,000 -11,964,000 -13,199,000 -9,587,000 -14,173,000                
          (purchase) sale of redeemable noncontrolling interests
                                                                                    
          purchases of noncontrolling interests
                                                               -700,000          -53,000 -455,000         
          cash and cash equivalents—beginning of period
                                                               180,234,000                     
          cash and cash equivalents—end of period
                                                               377,071,000                     
          purchases of nci
                                                                                    
          sale of redeemable nci
                                                                                    
          exercise of employee stock options, issuances under employee stock purchase plan and related tax benefit from exercise
                                                                -6,733,000 1,754,000 5,363,000 4,884,000  5,448,000               
          amounts related to acquisition of businesses included in accounts payable
                                                                                    
          purchase of nci in exchange for common stock
                                                                                    
          inventory contributed to unconsolidated affiliate
                                                                         1,000           
          proceeds from sale of marketable securities
                                                                            1,000,000 4,450,000     
          proceeds from long-term borrowings
                                                                            -3,000 1,000       
          exercise of employee stock options, issuances under employee stock
                                                                                    
          purchase plan and related tax benefit from exercise
                                                                                    
          net provided by in cash and cash equivalents
                                                                                    
          principle payments on long-term borrowings
                                                                                    
          purchase of noncontrolling interests in exchange for common stock
                                                                                    
          purchases of property, plant, equipment and intangible assets
                                                                      -3,748,000 -4,953,000  -1,854,000 -3,040,000 -4,686,000  -9,164,000 -7,363,000 -12,962,000     
          purchases of noncontrolling interests in exchange for common stock
                                                                         836,000 2,191,000         
          acquisition of business, net of cash acquired
                                                                       -748,000             
          exercise of employee stock options and related tax benefit from exercise
                                                                       211,000 1,296,000 1,644,000 340,000 137,000  994,000 1,055,000 310,000  841,000 828,000 23,000 
          amounts related to acquisition of business included in accounts payable and accrued expenses and other liabilities
                                                                       789,000             
          loss (gains) on foreign currency transactions
                                                                                    
          provision for inventory, warranty and bad debt
                                                                                    
          income and other taxes payable, net of excess tax benefit
                                                                                    
          purchases of property, plant, and equipment and intangibles
                                                                                    
          proceeds from sale of property, plant, and equipment
                                                                                    
          purchase of marketable securities
                                                                                    
          inventory contributed as investment in affiliates
                                                                                    
          purchase of noncontrolling interest in consolidated subsidiaries in exchange for common stock
                                                                                    
          loss on foreign currency transactions
                                                                         62,000           
          equipment contributed as investment in affiliates
                                                                                    
          fair value adjustment to series b warrants
                                                                                    
          minority interests in consolidated subsidiaries
                                                                            395,000 589,000 469,000 346,000 346,000 1,259,000 216,000 372,000 
          due from affiliates — net
                                                                                    
          repayment of convertible supplier note
                                                                                    
          purchase of minority interests in consolidated subsidiaries
                                                                            -814,000    -260,000    
          employee and stockholder loans repaid
                                                                              77,000 39,000   6,000 11,000 
          exercise of employee stock options
                                                                                    
          excess tax benefits related to employee stock options
                                                                                    
          repayment of series b warrants
                                                                                    
          proceeds from initial public offering, net of offering expenses
                                                                                    
          purchase of minority interest in consolidated subsidiaries in exchange for common stock
                                                                                    
          beneficial conversion feature embedded in series b preferred stock
                                                                                    
          accretion of series a and series b preferred stock
                                                                                    
          issuance of subordinated notes upon conversion of series b preferred stock
                                                                                    
          exchange of ip fibre devices credit facility for stockholder note
                                                                                    
          changes related to realized and unrealized gains from foreign currency transactions
                                                                                    
          proceeds from sale of property, plant and equipment
                                                                             19,000 20,000  21,000 57,000 
          employee and stockholder loans
                                                                                    
          debt issuance costs
                                                                                    
          repayment of note due from stockholder
                                                                                   
          purchase of minority interest in consolidated subsidiaries in exchange for equipment
                                                                                    
          changes related to unrealized (gains) losses on foreign currency transactions
                                                                                    
          benefit from inventory, warranty and bad debt
                                                                                    
          purchases of property, plant, and equipment
                                                                                    
          restricted cash released to support construction loan
                                                                                    
          exercise of employee stock options and related tax benefits
                                                                                    
          minority interest capital contribution
                                                                                    
          changes related to realized and unrealized (gains) losses on foreign currency transactions
                                                                                    
          due from affiliates
                                                                                    
          transaction costs related to initial public offering
                                                                                    
          changes related to realized and unrealized (gains)losses on foreign currency transactions
                                                                                    
          interest accretion of convertible note
                                                                                    
          gain on sale of investment and fixed assets
                                                                                    
          inventory provisions
                                                                                    
          stock-for-stock swap on options
                                                                                    
          accretion of series a preferred stock and series b preferred stock