7Baggers

Gentex Corporation
(NASDAQ:GNTX) 

GNTX stock logo

Gentex Corporation designs, develops, manufactures, markets, and supplies digital vision, connected car, dimmable glass, and fire protection products in the United States, Germany, Japan, Mexico, and internationally. It operates through Automotive Products and Other segments. The company offers auto...

Founded: 1974
Full Time Employees: 5,874
Sector: Consumer Cyclical
Industry: Auto Parts

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Quarterly
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    Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 
                                                                          
      net sales
    675,443,125 644,401,610 655,236,055 657,858,210 576,773,090 541,637,567 608,525,777 572,925,778 590,225,211 589,132,397 575,848,490 583,472,846 550,761,311 493,647,571 493,636,695 463,423,002 468,250,776 419,841,320 399,598,744 428,005,026 483,724,839 529,863,539 474,638,584 229,925,556 453,761,726 443,835,638 477,761,417 468,711,354 468,588,997 453,408,719 460,253,433 454,981,440 465,420,105 459,570,469 438,627,786 443,139,073 453,535,250 419,912,916 429,643,276 423,800,778 405,567,786 405,592,635 389,829,139 379,258,477 368,937,455 350,410,939 350,913,912 338,436,964 335,739,344 326,769,678 288,621,626 286,973,898 269,498,969 260,349,122 268,248,089 280,255,548 290,706,762 260,346,644 269,467,967 243,001,541 250,945,897 222,100,572 206,832,953 201,560,960 185,768,929 177,607,892 155,741,847 117,341,777 93,831,477  
      yoy
    17.11% 18.97% 7.68% 14.82% -2.28% -8.06% 5.67% -1.81% 7.17% 19.34% 16.65% 25.91% 17.62% 17.58% 23.53% 8.28% -3.20% -20.76% -15.81% 86.15% 6.60% 19.38% -0.65% -50.95% -3.16% -2.11% 3.80% 3.02% 0.68% -1.34% 4.93% 2.67% 2.62% 9.44% 2.09% 4.56% 11.83% 3.53% 10.21% 11.74% 9.93% 15.75% 11.09% 12.06% 9.89% 7.23% 21.58% 17.93% 24.58% 25.51% 7.60% 2.40% -7.30% 0.00% -0.45% 15.33% 15.84% 17.22% 30.28% 20.56% 35.08% 25.05% 32.80% 71.77% 97.98%      
      qoq
    4.82% -1.65% -0.40% 14.06% 6.49% -10.99% 6.21% -2.93% 0.19% 2.31% -1.31% 5.94% 11.57% 0.00% 6.52% -1.03% 11.53% 5.07% -6.64% -11.52% -8.71% 11.64% 106.43% -49.33% 2.24% -7.10% 1.93% 0.03% 3.35% -1.49% 1.16% -2.24% 1.27% 4.77% -1.02% -2.29% 8.01% -2.26% 1.38% 4.50% -0.01% 4.04% 2.79% 2.80% 5.29% -0.14% 3.69% 0.80% 2.74% 13.22% 0.57% 6.48% 3.51% -2.94% -4.28% -3.60% 11.66% -3.38% 10.89% -3.17% 12.99% 7.38% 2.62% 8.50% 4.59% 14.04% 32.72% 25.06%   
      cost of goods sold
    446,816,212 419,883,897 430,069,318 432,567,307 385,039,503 365,411,928 404,462,142 384,362,469 387,987,605 385,763,292 384,407,857 390,389,807 376,024,080 339,813,384 346,435,670 315,055,988 307,838,816 275,930,403 258,698,723 276,408,285 300,424,671 313,189,020 286,401,872 185,980,748 297,174,245 282,031,064 297,440,131 292,173,750 298,944,494 281,365,186 287,263,147 282,176,968 292,791,704 279,280,443 267,398,126 275,931,278 277,734,465 250,745,919 255,821,376 257,028,219 246,876,998 242,349,123 237,932,439 233,715,046 225,845,046 215,737,971 212,288,220 204,144,736 204,440,537 198,075,383 182,659,141 184,361,279 176,035,466 171,230,430 178,132,021 187,498,242 189,880,269 169,992,934 174,182,650 157,376,970 160,629,160 142,632,209 133,073,198 127,667,134 117,200,560 112,513,832 101,386,005 81,547,272 71,521,107  
      gross profit
    228,626,913 224,517,713 225,166,737 225,290,903 191,733,587 176,225,639 204,063,635 188,563,309 202,237,606 203,369,105 191,440,633 193,083,039 174,737,231 153,834,187 147,201,025 148,367,014 160,411,960 143,910,917 140,900,021 151,596,741 183,300,168 216,674,519 188,236,712 43,944,808 156,587,481 161,804,574 180,321,286 176,537,604 169,644,503 172,043,533 172,990,286 172,804,472 172,628,401 180,290,026 171,229,660 167,207,795 175,800,785 169,166,997 173,821,900 166,772,559 158,690,788 163,243,512 151,896,700 145,543,431 143,092,409 134,672,968 138,625,692 134,292,228 131,298,807 128,694,295 105,962,485 102,612,619 93,463,503 89,118,692 90,116,068 92,757,306 100,826,493 90,353,710 95,285,317 85,624,571 90,316,737 79,468,363 73,759,755 73,893,826 68,568,369 65,094,060 54,355,842 35,794,505 22,310,370  
      yoy
    19.24% 27.40% 10.34% 19.48% -5.19% -13.35% 6.59% -2.34% 15.74% 32.20% 30.05% 30.14% 8.93% 6.90% 4.47% -2.13% -12.49% -33.58% -25.15% 244.97% 17.06% 33.91% 4.39% -75.11% -7.70% -5.95% 4.24% 2.16% -1.73% -4.57% 1.03% 3.35% -1.80% 6.58% -1.49% 0.26% 10.78% 3.63% 14.43% 14.59% 10.90% 21.21% 9.57% 8.38% 8.98% 4.65% 30.83% 30.87% 40.48% 44.41% 17.58% 10.62% -7.30% -1.37% -5.43% 8.33% 11.64% 13.70% 29.18% 15.88% 31.72% 22.08% 35.70% 106.44% 207.34%      
      qoq
    1.83% -0.29% -0.06% 17.50% 8.80% -13.64% 8.22% -6.76% -0.56% 6.23% -0.85% 10.50% 13.59% 4.51% -0.79% -7.51% 11.47% 2.14% -7.06% -17.30% -15.40% 15.11% 328.35% -71.94% -3.22% -10.27% 2.14% 4.06% -1.39% -0.55% 0.11% 0.10% -4.25% 5.29% 2.41% -4.89% 3.92% -2.68% 4.23% 5.09% -2.79% 7.47% 4.37% 1.71% 6.25% -2.85% 3.23% 2.28% 2.02% 21.45% 3.26% 9.79% 4.88% -1.11% -2.85% -8.00% 11.59% -5.18% 11.28% -5.20% 13.65% 7.74% -0.18% 7.77% 5.34% 19.76% 51.86% 60.44%   
      gross margin %
    33.85% 34.84% 34.36% 34.25% 33.24% 32.54% 33.53% 32.91% 34.26% 34.52% 33.24% 33.09% 31.73% 31.16% 29.82% 32.02% 34.26% 34.28% 35.26% 35.42% 37.89% 40.89% 39.66% 19.11% 34.51% 36.46% 37.74% 37.66% 36.20% 37.94% 37.59% 37.98% 37.09% 39.23% 39.04% 37.73% 38.76% 40.29% 40.46% 39.35% 39.13% 40.25% 38.96% 38.38% 38.79% 38.43% 39.50% 39.68% 39.11% 39.38% 36.71% 35.76% 34.68% 34.23% 33.59% 33.10% 34.68% 34.71% 35.36% 35.24% 35.99% 35.78% 35.66% 36.66% 36.91% 36.65% 34.90% 30.50% 23.78%  
      operating expenses:
                                                                          
      engineering, research and development
    51,652,619 53,229,408 52,634,707 51,471,277 45,924,364 47,063,273 48,225,968 44,003,994 42,181,986 41,534,646 40,197,517 37,973,790 34,653,747 34,935,067 33,541,331 32,857,419 31,974,987 31,301,564 29,750,973 29,059,058 27,652,081 29,513,926 27,812,730 28,992,968 29,615,422 28,840,060 29,398,725 28,359,343 28,089,181 26,996,140 26,888,999 27,200,465 26,049,258 24,560,492 24,770,279 25,243,410 25,152,257 24,489,920 23,585,115 23,071,788 23,091,209 22,984,663 21,505,461 22,315,244 21,587,551 21,780,497 21,671,940 20,234,074 20,489,227 19,840,611 19,106,682 18,864,182 18,683,576 18,561,953 20,434,012 22,792,503 23,215,134 21,805,103 20,668,537 20,245,757 18,914,761 18,075,511 16,463,760 15,222,622 14,338,518 12,570,247 11,955,915 11,221,720 11,380,204  
      selling, general & administrative
    49,791,834 32,033,815.5 49,686,902 48,515,355 29,933,005 22,623,529.25 30,109,515 29,675,293 30,709,308 20,869,821.25 28,826,587 27,819,861 26,832,837 20,429,462 26,868,154 29,718,626 25,131,068 16,877,888.75 22,984,108 22,613,062 21,914,386 16,301,520 21,571,093 21,690,096 21,944,892 15,754,791.75 22,786,881 20,273,295 19,958,991 13,914,547.25 18,673,376 18,921,003 18,063,810 12,427,002 17,386,729 16,099,871 16,221,408 11,432,535.75 16,024,504 14,955,050 14,750,589 10,755,082 14,128,619 15,095,357 13,796,352 10,400,668.75 13,747,925 14,222,716 13,632,034 9,069,502.75 13,199,557 12,152,166 10,926,288 9,155,417 12,058,701 12,452,571 12,110,396 8,953,256 12,370,000 12,131,922 11,311,102 7,457,524.25 10,323,698 9,884,445 9,621,954 6,630,518.75 9,296,514 8,494,480 8,731,081  
      impairment charges
    2,800,000                                                                      
      severance expense
    722,541 1,453,300 518,190 6,784,136 2,889,112                                                                  
      total operating expenses
    104,966,994 104,416,138 102,839,799 106,770,768 78,746,481 86,457,552 78,335,483 73,679,287 72,891,294 70,594,616 69,024,104 65,793,651 61,486,584 59,716,474 60,409,485 62,576,045 57,106,055 55,952,202 52,735,081 51,672,120 49,566,467 54,260,227 49,383,823 50,683,064 51,560,314 50,903,949 52,185,606 48,632,638 48,048,172 46,544,234 45,562,375 46,121,468 44,113,068 46,295,960 42,157,008 41,343,281 41,373,665 41,231,054 39,609,619 38,026,838 37,841,798 36,581,029 35,634,080 37,410,601 35,383,903 36,057,605 35,419,865 34,456,790 34,121,261 33,058,638 32,306,239 31,016,348 29,609,864 35,300,010 32,492,713 35,245,074 35,325,530 34,570,331 33,038,537 32,377,679 30,225,863 28,863,247 26,787,458 25,107,067 23,960,472 21,855,794 21,252,429 19,716,200 20,111,285  
      income from operations
    123,659,919 120,101,575 122,326,938 118,520,135 112,987,106 89,768,087 125,728,152 114,884,022 129,346,312 132,774,489 122,416,529 127,289,388 113,250,647 94,117,713 86,791,540 85,790,969 103,305,905 87,958,715 88,164,940 99,924,621 133,733,701 162,414,292 138,852,889 -6,738,256 105,027,167 110,900,625 128,135,680 127,904,966 121,596,331 125,499,299 127,427,911 126,683,004 128,515,333 133,994,066 129,072,652 125,864,514 134,427,120 127,935,943 134,212,281 128,745,721 120,848,990 126,662,483 116,262,620 108,132,830 107,708,506 98,615,363 103,205,827 99,835,438 97,177,546 95,635,657 73,656,246 71,596,271 63,853,639 53,818,682 57,623,355 57,512,232  55,783,379 62,246,780 53,246,892  50,605,116 46,972,297 48,786,759  43,238,266 33,103,413 16,078,305   
      yoy
    9.45% 33.79% -2.71% 3.17% -12.65% -32.39% 2.71% -9.75% 14.21% 41.07% 41.05% 48.37% 9.63% 7.00% -1.56% -14.14% -22.75% -45.84% -36.50% -1582.94% 27.33% 46.45% 8.36% -105.27% -13.63% -11.63% 0.56% 0.96% -5.38% -6.34% -1.27% 0.65% -4.40% 4.74% -3.83% -2.24% 11.24% 1.01% 15.44% 19.06% 12.20% 28.44% 12.65% 8.31% 10.84% 3.12% 40.12% 39.44% 52.19% 77.70% 27.82% 24.49%  -3.52% -7.43% 8.01%  10.23% 32.52% 9.14%  17.04% 41.90% 203.43%       
      qoq
    2.96% -1.82% 3.21% 4.90% 25.87% -28.60% 9.44% -11.18% -2.58% 8.46% -3.83% 12.40% 20.33% 8.44% 1.17% -16.95% 17.45% -0.23% -11.77% -25.28% -17.66% 16.97% -2160.67% -106.42% -5.30% -13.45% 0.18% 5.19% -3.11% -1.51% 0.59% -1.43% -4.09% 3.81% 2.55% -6.37% 5.07% -4.68% 4.25% 6.53% -4.59% 8.95% 7.52% 0.39% 9.22% -4.45% 3.38% 2.74% 1.61% 29.84% 2.88% 12.13% 18.65% -6.60% 0.19%   -10.38% 16.90%   7.73% -3.72%   30.62% 105.89%    
      operating margin %
    18.31% 18.64% 18.67% 18.02% 19.59% 16.57% 20.66% 20.05% 21.91% 22.54% 21.26% 21.82% 20.56% 19.07% 17.58% 18.51% 22.06% 20.95% 22.06% 23.35% 27.65% 30.65% 29.25% -2.93% 23.15% 24.99% 26.82% 27.29% 25.95% 27.68% 27.69% 27.84% 27.61% 29.16% 29.43% 28.40% 29.64% 30.47% 31.24% 30.38% 29.80% 31.23% 29.82% 28.51% 29.19% 28.14% 29.41% 29.50% 28.94% 29.27% 25.52% 24.95% 23.69% 20.67% 21.48% 20.52% 0% 21.43% 23.10% 21.91% 0% 22.78% 22.71% 24.20% 0% 24.34% 21.26% 13.70% 0%  
      other income
        -4,234,379 313,859.5 744,569 -1,159,272 1,670,139     -250,754 -2,126,039 -1,903,269 -798,810 609,433 872,943 987,959 509,625 1,846,653 2,218,852 1,404,196 -199,167 270,051 90,323 237,191 49,469 144,663.75 -73,979 -554,359 1,206,993     -1,195,346.75 -800,855 -1,911,113 -2,069,419 237,576 -710,346 1,563,291                           
      investment income
    -87,371 -3,077,929 542,055 -3,628,231 4,874,855 10,182,508 18,982,629 -12,393,771 -3,368,524 3,816,255 3,851,967 2,890,934 2,939,195 1,590,371 1,496,852 920,284 788,316 806,898 856,351 903,139 1,023,410 1,252,364 1,825,257 1,462,033 2,446,649 2,474,058 3,353,510 2,140,387 3,262,741 3,199,964 3,180,683 2,844,133 2,037,605 4,094,335 2,139,387 1,736,138 1,472,527 2,306,429 916,556 774,102 790,041 3,129,266 495,468 754,052 612,025 4,887,073 406,491 398,005 325,158 5,129,503 474,084 625,717 495,413 3,490,940 586,517 633,700 596,023 2,523,788 543,996 598,455 499,570 1,212,909 620,160 556,004 512,883 656,992 567,664 867,640 1,192,664  
      other
    -5,524,986 -5,629,660 -2,298,285 578,235                                         97,359 517,354 380,289 5,388,560 4,189,386 3,372,778 6,912,924 4,906,951 1,404,860 1,162,879 3,476,189 2,533,783 2,690,337 422,698 1,707,840 3,902,721 2,864,818 3,424,362 2,578,853 998,302 2,564,472 921,733 1,911,329 1,356,244 -4,487,335  
      total other income
    -5,612,357 -8,707,589 -1,756,230  640,476 8,011,339 19,727,198 -13,553,043 -1,698,385 3,127,638 2,063,632 1,314,396 2,744,455 1,339,617 -629,187 -982,985 -10,494 1,416,331 1,729,294 1,891,098 1,533,035 3,099,017 4,044,109 2,866,229 2,247,482 2,744,109 3,443,833 2,377,578 3,312,210 5,280,324 3,106,704 2,289,774 3,244,598 4,161,928 1,759,391 2,079,249 437,784 1,118,526 115,701 -1,137,011 -1,279,378 2,013,168 -214,878 2,317,343 709,384 5,404,427 786,780 5,786,565 4,514,544 8,502,281 7,387,008 5,532,668 1,900,273 4,653,819 4,062,706 3,167,483 3,286,360 2,946,486 2,251,836 4,501,176 3,364,388 4,637,271 3,199,013 1,554,306 3,077,355 1,615,618 2,478,993 2,223,884 -4,585,261  
      income before provision for income taxes
    118,047,562 111,393,986 120,570,708 115,470,139 113,627,582 97,779,426 145,455,350 101,330,979 127,647,927 135,902,127 124,480,161 128,603,784 115,995,102 95,457,330 86,162,353 84,807,984 103,295,411 89,375,046 89,894,234 101,815,719 135,266,736 165,513,309 142,896,998 -3,872,027 107,274,649 113,644,734 131,579,513 130,282,544 124,908,541 130,779,623 130,534,615 128,972,778 131,759,931 138,155,994 130,832,043 127,943,763 134,864,904 129,054,469 134,327,982 127,608,710 119,569,612 128,675,651 116,047,742 110,450,173 108,417,890 104,019,790 103,992,607 105,622,003 101,692,090 104,137,938 81,043,254 77,128,939 65,753,912 58,472,501 61,686,061 60,679,715 68,787,323 58,729,865 64,498,616 57,748,068 63,455,262 55,242,387 50,171,310 50,341,065 47,685,252 44,853,884 35,582,406 18,302,189 -2,386,176  
      provision for income taxes
    19,626,503 18,123,108 19,684,004 19,819,689 18,753,537 10,111,877 22,906,309 15,290,541 19,417,213 18,957,931 19,754,749 19,448,381 18,416,841 9,289,001 13,506,358 12,403,581 15,766,785 5,195,650 13,233,686 15,309,301 21,815,866 22,174,058 25,804,396 -1,497,994 17,768,848 14,097,683 19,681,661 21,323,919 20,628,130 24,505,068 19,198,798 19,948,796 20,511,188 7,687,095 40,601,708 39,407,816 37,308,163 40,293,075 42,263,336 41,123,468 39,289,618 40,280,095 37,715,317 35,891,736 31,234,449 33,044,911 31,655,724 28,895,257 33,126,019 34,256,914 25,522,293 25,031,542 20,323,345 18,873,867 19,808,978 19,913,176 22,442,739 18,263,752 21,101,552 19,275,899 21,122,380 18,319,122 15,880,066 16,283,735 15,223,122 14,806,029 11,645,552 6,092,882 -829,245  
      net income
    98,421,059 93,270,878 100,886,704 95,650,450 94,874,045 87,667,549 122,549,041 86,040,438 108,230,714 116,944,196 104,725,412 109,155,403 97,578,261 86,168,329 72,655,995 72,404,403 87,528,626 84,179,396 76,660,548 86,506,418 113,450,870 143,339,251 117,092,602 -2,374,033 89,505,801 99,547,051 111,897,852 108,958,625 104,280,411 106,274,555 111,335,817 109,023,982 111,248,743 130,468,899 90,230,335 88,535,947 97,556,741 88,761,394 92,064,646 86,485,242 80,279,994 88,395,556 78,332,425 74,558,437 77,183,441 70,974,879 72,336,883 76,726,746 68,566,071 69,881,024 55,520,961 52,097,397 45,430,567 39,598,634 41,877,083 40,766,539 46,344,584 40,466,113 43,397,064 38,472,169 42,332,882 36,923,265 34,291,244 34,057,330 32,462,130 30,047,855 23,936,854 12,209,307 -1,556,931  
      yoy
    3.74% 6.39% -17.68% 11.17% -12.34% -25.03% 17.02% -21.18% 10.92% 35.72% 44.14% 50.76% 11.48% 2.36% -5.22% -16.30% -22.85% -41.27% -34.53% -3743.86% 26.75% 43.99% 4.64% -102.18% -14.17% -6.33% 0.50% -0.06% -6.26% -18.54% 23.39% 23.14% 14.03% 46.99% -1.99% 2.37% 21.52% 0.41% 17.53% 16.00% 4.01% 24.54% 8.29% -2.83% 12.57% 1.57% 30.29% 47.28% 50.92% 76.47% 32.58% 27.79% -1.97% -2.14% -3.50% 5.96% 9.48% 9.60% 26.55% 12.96% 30.41% 22.88% 43.26% 178.95% -2185.01%      
      qoq
    5.52% -7.55% 5.47% 0.82% 8.22% -28.46% 42.43% -20.50% -7.45% 11.67% -4.06% 11.86% 13.24% 18.60% 0.35% -17.28% 3.98% 9.81% -11.38% -23.75% -20.85% 22.42% -5032.22% -102.65% -10.09% -11.04% 2.70% 4.49% -1.88% -4.55% 2.12% -2.00% -14.73% 44.60% 1.91% -9.25% 9.91% -3.59% 6.45% 7.73% -9.18% 12.85% 5.06% -3.40% 8.75% -1.88% -5.72% 11.90% -1.88% 25.86% 6.57% 14.67% 14.73% -5.44% 2.72% -12.04% 14.53% -6.75% 12.80% -9.12% 14.65% 7.68% 0.69% 4.91% 8.03% 25.53% 96.05% -884.19%   
      net income margin %
    14.57% 14.47% 15.40% 14.54% 16.45% 16.19% 20.14% 15.02% 18.34% 19.85% 18.19% 18.71% 17.72% 17.46% 14.72% 15.62% 18.69% 20.05% 19.18% 20.21% 23.45% 27.05% 24.67% -1.03% 19.73% 22.43% 23.42% 23.25% 22.25% 23.44% 24.19% 23.96% 23.90% 28.39% 20.57% 19.98% 21.51% 21.14% 21.43% 20.41% 19.79% 21.79% 20.09% 19.66% 20.92% 20.25% 20.61% 22.67% 20.42% 21.39% 19.24% 18.15% 16.86% 15.21% 15.61% 14.55% 15.94% 15.54% 16.10% 15.83% 16.87% 16.62% 16.58% 16.90% 17.47% 16.92% 15.37% 10.40% -1.66%  
      less: net loss attributable to non-controlling interests
    -34,084 311,050 -81,206 -389,134                                                                   
      net income attributable to gentex corporation
    98,455,143 92,959,828 100,967,910 96,039,584                                                                   
      earnings per share attributable to gentex corporation:
                                                                          
      basic
    0.46 0.43 0.46 0.43 0.42 0.39 0.54 0.37 0.47 0.51 0.45 0.47 0.42 0.37 0.31 0.31 0.37 0.36 0.32 0.36 0.47 0.58 0.48 -0.01 0.36 0.4 0.44 0.42 0.4 0.41 0.42 0.4 0.4 0.45 0.32 0.31 0.34 0.31 0.32 0.3 0.28 0.31 0.27 0.25 0.26 -0.51 0.5 0.53 0.47 0.48 0.39 0.36 0.32 0.28 0.29 0.28 0.32 0.29 0.3 0.27 0.3 0.26 0.25 0.24 0.23 0.22 0.17 0.09 -0.01  
      diluted
    0.46 0.43 0.46 0.43 0.42 0.38 0.53 0.37 0.47 0.51 0.45 0.47 0.42 0.37 0.31 0.31 0.37 0.35 0.32 0.36 0.46 0.59 0.48 -0.01 0.36 0.4 0.44 0.42 0.4 0.4 0.42 0.4 0.4 0.45 0.31 0.31 0.33 0.3 0.32 0.3 0.28 0.31 0.27 0.25 0.26 -0.51 0.49 0.52 0.47 0.49 0.38 0.36 0.32 0.28 0.29 0.28 0.32 0.28 0.3 0.27 0.29 0.26 0.24 0.24 0.23 0.22 0.17 0.09 -0.01  
      cash dividends declared per share
    0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.115 0.115 0.115 0.115 0.11 0.11 0.11 0.11 0.1 0.1 0.1 0.09 0.09 0.09 0.09 0.085 0.085 0.085 0.085 0.08 -0.15 0.16 0.16 0.14 0.14 0.14 0.14 0.14 0.13 0.13 0.13 0.13 0.12 0.12 0.12 0.12 0.11 0.11 0.11 0.11 0.11 0.11 0.11 0.11  
      earnings per share has been adjusted to exclude the portion of net income allocated to participating securities as a result of share-based payment awards.
                                                                          
      total other loss
       -3,049,996                                                                   
      earnings per share:
                                                                          
      basic
    0.46 0.43 0.46 0.43 0.42 0.39 0.54 0.37 0.47 0.51 0.45 0.47 0.42 0.37 0.31 0.31 0.37 0.36 0.32 0.36 0.47 0.58 0.48 -0.01 0.36 0.4 0.44 0.42 0.4 0.41 0.42 0.4 0.4 0.45 0.32 0.31 0.34 0.31 0.32 0.3 0.28 0.31 0.27 0.25 0.26 -0.51 0.5 0.53 0.47 0.48 0.39 0.36 0.32 0.28 0.29 0.28 0.32 0.29 0.3 0.27 0.3 0.26 0.25 0.24 0.23 0.22 0.17 0.09 -0.01  
      diluted
    0.46 0.43 0.46 0.43 0.42 0.38 0.53 0.37 0.47 0.51 0.45 0.47 0.42 0.37 0.31 0.31 0.37 0.35 0.32 0.36 0.46 0.59 0.48 -0.01 0.36 0.4 0.44 0.42 0.4 0.4 0.42 0.4 0.4 0.45 0.31 0.31 0.33 0.3 0.32 0.3 0.28 0.31 0.27 0.25 0.26 -0.51 0.49 0.52 0.47 0.49 0.38 0.36 0.32 0.28 0.29 0.28 0.32 0.28 0.3 0.27 0.29 0.26 0.24 0.24 0.23 0.22 0.17 0.09 -0.01  
      other loss
             -889,903.25 -1,788,335 -1,576,538 -194,740                     -267,907 -379,996 343,111 -1,034,743                                  
      operating income
                                                            65,500,963    60,090,874    44,607,897    2,199,085  
      other income:
                                                                          
      impairment loss on available-for-sale securities
                                                                        -1,290,590  
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-09-30 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 2011-09-30 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 
                                                                         
        assets
                                                                         
        current assets
                                                                         
        cash and cash equivalents
      178,589,422 119,774,840 286,558,598 233,318,766 179,639,743 260,241,951 249,004,534 226,435,019 260,633,625 237,665,601 215,452,160 214,754,638 222,933,723 269,372,471 279,708,413 262,311,670 269,965,105 353,032,803 455,940,751 423,371,036 400,499,542 343,811,484 278,524,928 296,321,622 260,151,083 260,332,892 221,688,575 217,025,278 194,017,041 296,699,141 524,323,560 569,734,496 561,999,767 580,579,352 559,645,625 546,477,075 534,518,281   551,557,527    497,429,804    309,591,724    389,678,664 381,101,955 375,707,033 370,804,725 397,105,404 444,619,932 440,321,896 348,349,773 303,717,898 295,234,858 340,853,897 336,108,446 335,829,868 329,498,715 308,742,359 294,306,512 
        short-term investments
      4,815,376 21,303,330 20,549,084 22,304,829 20,462,581 15,534,338 16,758,924 14,356,476 17,464,830 20,172,297 25,635,492 23,007,385 16,122,519 11,992,154 6,891,621 5,423,612 6,936,547 13,798,827 25,944,114 27,164,369 52,578,480 70,015,164 131,078,039 140,384,053 207,156,287 190,565,065 180,313,222 169,412,999 143,623,541 171,020,806 152,179,408 152,538,054 178,650,929 184,553,242 176,635,803 177,021,197 152,235,753   4,547,355            60,802,856 21,522,299 45,947,116 51,989,936 59,145,338 24,116,803 41,649,014 86,447,596 85,671,421 85,613,809 55,218,346 17,123,647 14,170,466 6,104,592 24,638,528 29,177,273 
        accounts receivable
      384,673,839 372,961,789 330,625,348 295,344,353 356,338,008 306,565,681 341,591,131 321,809,868 351,142,147 350,409,472 332,867,128 276,493,752 292,413,491 274,404,572 281,461,678 249,794,906 241,225,710 234,145,996 277,676,643 284,925,335 268,457,875 170,643,014 233,578,125 235,410,326 253,108,715 226,426,332 244,266,296 213,537,799 247,322,101 239,406,379 246,427,239 231,121,788 240,505,816 229,250,339 249,457,918 211,591,745 229,236,789   195,969,400    168,008,704    143,046,590    109,579,693 126,272,547 129,948,477 139,296,845 130,039,210 111,859,028 116,330,190 95,647,612 106,681,882 93,453,861 83,826,911 71,159,512 74,336,716 51,449,887 47,220,931 44,528,810 
        inventories
      499,243,613 475,719,663 408,934,806 436,497,445 449,311,020 463,492,305 436,537,244 402,473,028 395,452,780 390,026,268 401,769,976 404,360,270 418,286,161 392,577,825 362,736,521 316,267,442 292,599,881 263,899,976 233,060,307 226,291,843 233,358,102 259,728,189 251,006,414 248,941,855 238,676,795 225,094,463 225,303,042 225,281,599 213,394,037 212,375,655 207,232,952 216,765,583 206,657,817 196,540,222 197,088,251 189,311,437 179,353,603   174,695,411    141,757,884    120,074,164    159,930,266 177,119,455 192,330,005 200,751,160 151,130,845 119,457,528 104,036,266 100,728,730 92,106,366 79,280,713 67,746,364 53,608,996 46,678,434 48,380,958 54,122,395 54,993,855 
        prepaid expenses and other
      101,151,652 72,217,004 42,002,767 49,862,777 39,932,866 38,049,578 28,702,868 32,663,762 30,758,445 27,032,788 25,316,437 26,036,331 39,567,381 43,539,709 24,733,040 39,178,119 63,979,883 59,698,574 17,893,732 17,577,981 20,424,567 15,128,837 16,539,990 29,319,036 28,402,524 27,984,155 14,824,876 25,672,579 29,201,873 23,575,408 11,531,029 14,403,902 16,047,166 13,775,396 11,730,076 30,587,575 13,471,694   57,239,099    49,441,302    28,473,764    24,671,561 33,725,210 32,808,457 23,425,298 20,781,773 25,591,359 20,498,179 24,095,563 20,347,709 23,769,957 23,937,689 27,412,894 23,983,882 22,704,273 30,221,454 34,145,509 
        total current assets
      1,168,473,902 1,061,976,626 1,088,670,603 1,037,328,170 1,045,684,218 1,083,883,853 1,072,594,701 997,738,153 1,055,451,827 1,025,306,426 1,005,041,193 948,652,376 989,323,275 991,886,731 955,531,273 872,975,749 874,707,126 924,576,176 1,010,515,547 979,330,564 975,318,566 859,326,688 910,727,496 950,376,892 987,495,404 930,402,907 886,396,011 850,930,254 827,558,593 943,077,389 1,141,694,188 1,184,563,823 1,203,861,495 1,204,698,551 1,194,557,673 1,154,989,029 1,108,816,120   984,008,792    856,637,694    601,186,242    744,663,040 739,741,466 776,741,088 786,267,964 758,202,570 725,644,650 722,835,545 655,269,274 608,525,276 577,353,198 571,583,207 505,413,495 494,999,366 458,138,425 464,945,667 457,151,959 
        plant and equipment—net
      799,496,473 783,863,952 734,551,557  703,583,489 679,486,957 664,788,932  606,180,738 596,694,337 575,276,023  526,680,787 488,913,960 468,409,064  451,811,914 458,943,776 460,593,013  474,019,432 485,314,868 493,114,501  491,968,638 501,398,382 492,613,112  497,305,597 499,673,418 496,274,467  493,663,599 482,588,291 473,151,849  450,781,365                341,854,037 326,842,448              
        other assets
                                                                         
        goodwill
      356,913,957 340,668,927 340,668,927 340,668,927 340,105,631 340,105,631 340,105,631 340,105,631 313,157,393 313,647,268 313,686,026 313,807,494 313,851,944 313,857,650 313,928,914 313,960,209 314,805,654 311,922,787 314,681,508 311,922,787 311,216,556 309,033,022 307,365,845 307,365,845 307,365,845 307,365,845 307,365,845 307,365,845 307,365,845 307,365,845 307,365,845 307,365,845 307,365,845 307,365,845 307,365,845 307,365,845 307,365,845   307,365,845    307,365,845    307,365,845                    
        long-term investments
      247,357,706 267,045,895 300,626,514 339,604,044 325,561,578 308,051,778 311,028,408 299,080,876 272,615,535 239,621,466 229,398,824 153,906,005 154,429,190 157,704,267 175,824,026 207,693,147 204,671,558 193,418,570 172,934,410 162,028,068 159,011,362 171,134,695 177,794,760 139,909,323 103,025,468 121,061,221 126,528,508 137,979,082 141,631,510 141,305,695 3,240,000 57,782,418 51,663,435 49,260,381 61,512,162 49,894,363 57,458,514   95,156,539    114,642,567    107,005,522    141,834,034 145,087,877 137,556,403 146,155,364 106,915,898 142,684,806 142,324,972 129,091,167 123,803,570 112,619,809 122,953,155 109,155,248 92,844,598 80,744,752 59,011,572 81,348,942 
        intangible assets
      191,437,576 186,550,142 190,832,346 195,157,160 201,604,035 205,790,910 209,809,035 214,005,910 204,885,910 209,710,910 214,535,910 219,360,910 224,185,910 229,010,910 234,229,803 239,189,627 243,163,539 251,213,561 256,911,809 249,748,127 247,911,399 251,725,000 245,550,000 250,375,000 255,200,000 260,025,000 264,850,000 269,675,000 274,500,000 279,325,000 284,150,000 288,975,000 293,800,000 298,625,000 303,450,000 308,275,000 313,100,000   327,575,000    346,875,000    366,175,000                    
        deferred tax asset
      92,660,519 90,692,041 53,623,835 53,154,832 50,192,359 52,335,039 44,741,075 41,113,759 36,513,490 28,943,561 23,795,400 25,528,700                                                        
        patents and other assets
      82,414,519 83,019,753 73,575,446 66,426,375 68,565,533 68,630,894 70,146,788 66,515,551 69,513,945 73,183,124 71,614,459 67,515,425 63,171,166 63,140,670 32,459,405 33,450,758 27,268,962 26,723,061 26,809,257 26,776,489 24,997,791 24,507,260 23,550,490 22,460,033 22,241,049 22,549,518 22,612,152 21,010,121 21,027,381 21,361,937 21,627,968 20,887,496 21,276,820 21,555,728 23,255,137 23,273,129 20,751,828   21,846,482    23,627,931    25,334,600    29,256,089 28,220,949 12,886,088 13,060,218 12,862,670 12,974,283 13,063,917 13,222,442 13,408,112 13,685,549 11,640,708 10,504,497 10,387,322 10,176,072 9,950,122 9,650,760 
        total other assets
      970,784,277 967,976,758 959,327,068 995,011,338 986,029,136 974,914,252 975,830,937 960,821,727 896,686,273 865,106,329 853,030,619 828,544,512 795,319,001 803,653,543 756,442,148 794,293,741 789,909,713 783,277,979 771,336,984 750,475,471 743,137,108 756,399,977 754,261,095 720,110,201 687,832,362 711,001,584 721,356,505 736,030,048 744,524,736 749,358,477 616,383,813 675,010,759 674,106,100 676,806,954 695,583,144 688,808,337 698,676,187                173,308,826 150,442,491 159,215,582 119,778,568 155,659,089 155,388,889  137,211,682 126,305,358 134,593,863  103,231,920 90,920,824 68,961,694  
        total assets
      2,938,754,652 2,813,817,336 2,782,549,228 2,760,820,975 2,735,296,843 2,738,285,062 2,713,214,570 2,611,437,552 2,558,318,838 2,487,107,092 2,433,347,835 2,327,229,924 2,311,323,063 2,284,454,234 2,180,382,485 2,131,391,166 2,116,428,753 2,166,797,931 2,242,445,544 2,197,941,170 2,192,475,106 2,101,041,533 2,158,103,092 2,168,803,193 2,167,296,404 2,142,802,873 2,100,365,628 2,085,434,068 2,069,388,926 2,192,109,284 2,254,352,468 2,352,053,912 2,371,631,194 2,364,093,796 2,363,292,666 2,309,619,833 2,258,273,672   2,148,672,928    2,022,540,029    1,764,088,434    1,265,691,335 1,254,904,329 1,254,026,027 1,255,147,206 1,134,543,461 1,114,019,908 1,091,912,967  942,282,627 900,402,966 904,685,944  800,685,575 756,091,888 745,047,765  
        liabilities and shareholders’ investment
                                                                         
        current liabilities
                                                                         
        accounts payable
      252,041,199 204,675,277 162,899,037 168,314,912 182,606,296 206,001,837 191,736,616 184,398,820 171,359,850 168,456,476 166,922,435 151,740,046 171,436,605 186,623,085 140,887,194 98,342,928 100,532,642 101,262,288 107,061,936 84,784,423 90,246,791 60,183,429 100,099,191 97,553,917 95,309,797 90,041,087 90,117,496 92,810,316 90,041,982 106,784,447 77,307,897 89,898,467 79,903,534 82,920,929 77,714,280 79,963,630 71,000,819   66,353,774    71,456,983    56,510,321    43,200,002 52,234,323 53,514,927 72,986,047 70,157,597 63,282,992 61,073,092 40,295,464 50,105,699 44,263,614 49,758,307 27,456,747 32,221,450 16,742,716 19,284,003 19,706,159 
        short-term debt
      4,130,859 3,932,497                                                                  
        accrued liabilities
      138,284,171 128,326,091 103,734,311  100,558,357 98,726,663 112,674,602  103,045,653 107,605,540 130,108,297  93,728,038 99,548,802 98,335,978  91,909,057 95,134,329 116,168,057  121,242,379 82,447,668 88,858,713  86,994,334 87,519,710 94,376,376  82,844,508 84,525,227 100,861,709    196,641,584  85,478,444                52,023,258 52,497,356 57,118,552 46,590,486 40,518,523 54,265,548  33,262,951 39,245,322 52,459,976  41,186,708 34,544,385 30,858,249  
        total current liabilities
      394,456,229 336,933,865 266,633,348 252,692,676 283,164,653 304,728,500 304,411,218 271,608,976 274,405,503 276,062,016 297,030,732 250,552,752 265,164,643 286,171,887 239,223,172 181,656,100 192,441,699 196,396,617 223,229,993 177,736,857 236,489,170 217,631,097 263,957,904 171,846,800 182,304,131 177,560,797 184,493,872 169,160,919 172,886,490 214,434,674 228,169,606 243,647,007 264,922,840 271,140,517 274,355,864 149,857,979 156,479,263   131,006,546    133,431,163    119,980,414    87,957,442 104,257,581 106,012,283 130,104,599 116,748,083 103,801,515 115,338,640 72,088,629 83,368,650 83,508,936 102,218,283 58,637,778 73,408,158 51,287,101 50,142,252 49,472,438 
        other non-current liabilities
      45,097,267 43,755,486 36,498,377 36,028,644 34,504,848 33,257,035 32,439,563 27,311,507 15,459,528 15,095,750 13,061,457 10,884,351 12,112,756 11,707,867 12,190,413 11,746,599 18,680,307 18,668,444 18,059,874 17,300,442 15,071,701 10,306,855 9,091,509 7,414,424 6,952,703 6,190,219 5,509,373                                         
        deferred income taxes
      1,666,672                17,676,461 35,413,881 40,174,963 38,960,743 45,301,936 50,496,168 50,448,046 51,454,149 56,711,307 54,717,622 53,287,636 54,521,489 53,398,181 56,175,298 56,205,366 58,888,644 80,443,155 79,641,856 77,915,264 71,212,620 50,529,019   69,524,621    59,571,421    50,879,337    56,773,337 58,001,501 53,323,686 54,771,435 34,176,761 46,517,399 41,615,876 37,071,184 29,065,488 23,675,897 28,358,604 28,036,968 18,514,914 15,118,683 11,976,419 15,034,620 
        total liabilities
      441,220,168 380,689,351 303,131,725 288,721,320 317,669,501 337,985,535 336,850,781 298,920,483 289,865,031 291,157,766 310,092,189 261,437,103 277,277,399 297,879,754 251,413,585 193,402,699 228,798,467 250,478,942 281,464,830 233,998,042 296,862,807 278,434,120 323,497,459 230,715,373 245,968,141 238,468,638 243,290,881 223,682,408 226,284,671 270,609,972 284,374,972 302,535,651 345,365,995 360,157,373 388,521,128 399,195,599 402,008,282   426,156,167    451,127,584    436,484,751                    
        redeemable non-controlling interest
      2,319,658 2,490,261                                                                  
        shareholders’ investment
                                                                         
        common stock
      13,137,108 13,171,245 13,489,027 13,632,448 13,646,597 13,813,772 13,871,933 13,887,326 13,995,548 14,005,799 14,023,563 14,050,160 14,075,843 14,107,936 14,068,640 14,186,450 14,192,076 14,337,995 14,492,329 14,621,572 14,703,703 14,746,529 14,691,939 15,076,651 15,178,860 15,286,747 15,335,060 15,559,717 15,727,030 16,135,387 16,431,263 16,816,879 17,038,791 17,172,517 17,266,545 17,264,251 17,275,776   17,480,281    17,714,877    8,734,681    8,584,581 8,565,227 8,673,968 8,653,024 8,608,344 8,587,110 8,564,448 8,537,528 8,421,555 8,397,541 8,368,304 8,300,363 8,270,152 8,264,638 8,260,496 8,258,010 
        additional paid-in capital
      1,012,857,311 998,911,809 1,011,756,899 1,010,440,420 1,000,948,512 1,000,014,813 991,053,652 968,245,875 961,199,149 942,660,764 928,284,890 917,499,323 908,622,409 900,576,404 881,371,438 879,413,385 865,063,949 859,678,392 859,355,232 852,771,508 830,408,683 818,678,880 801,388,454 807,928,139 799,462,368 777,238,253 748,641,461 745,324,144 743,495,999 748,794,815 742,491,728 723,510,672 713,624,374 706,680,885 701,980,783 683,446,463 655,290,470   596,782,695    553,836,483    478,865,778    418,766,010 410,922,622 410,631,715 401,647,926 379,763,990 368,979,703 359,051,014 347,834,218 309,635,160 300,517,517 289,927,007 270,351,796 261,173,973 258,479,226 256,101,082 253,821,363 
        retained earnings
      1,471,866,630 1,421,351,763 1,454,610,199 1,450,287,128 1,405,918,157 1,394,446,595 1,378,904,530 1,336,940,990 1,306,931,850 1,252,525,531 1,193,171,690 1,148,386,272 1,108,061,455 1,082,846,019 1,038,656,230 1,042,461,388 1,005,103,661 1,038,037,564 1,085,178,486 1,089,698,996 1,046,052,853 986,442,760 1,018,310,446 1,116,372,133 1,107,449,540 1,111,310,014 1,093,373,960 1,102,468,137 1,086,003,216 1,157,048,214 1,208,841,516 1,301,997,327 1,289,596,619 1,276,901,865 1,254,778,976 1,210,984,825 1,184,141,924   1,109,384,621    988,548,070    818,027,861    676,039,254 655,040,546 660,271,990 638,299,049 587,524,488 561,344,112 540,046,163 514,842,177 493,571,046 474,719,319 456,057,483 438,937,242 424,106,719 415,331,811 418,274,341 434,975,514 
        accumulated other comprehensive loss
      -2,646,223 -3,396,649 -5,030,122  -2,885,924 -7,975,653 -7,466,326  -13,672,740 -13,242,768 -12,224,497                                                         
        total gentex corporation shareholders' investment
      2,495,214,826 2,430,038,168 2,474,826,003 2,467,950,655                                                                
        non-controlling interest
       599,556 4,591,500 4,149,000                                                                
        total shareholders' investment
      2,495,214,826 2,430,637,724                                                                  
        total liabilities, redeemable non-controlling interest, and shareholders' investment
      2,938,754,652 2,813,817,336                                                                  
        net sales
      655,236,055 657,858,210 576,773,090 2,313,314,333 608,525,777 572,925,778 590,225,211 2,299,215,044 575,848,490 583,472,846 550,761,311 1,918,958,043 493,636,695 463,423,002 468,250,776 1,731,169,929 399,598,744 428,005,026 483,724,839 1,688,189,405 474,638,584 229,925,556  1,858,897,406 477,761,417 468,711,354  1,834,063,697 460,253,433 454,981,440 465,420,105 1,794,872,578 438,627,786 443,139,073 453,535,250 1,678,924,756 429,643,276 423,800,778 405,567,786 1,543,617,706 389,829,139 379,258,477 368,937,455 1,375,501,159 350,913,912 338,436,964 335,739,344 1,171,864,171 288,621,626 286,973,898 269,498,969 1,099,559,521 268,248,089 280,255,548 290,706,762 269,467,967 243,001,541 250,945,897 816,263,414 206,832,953 201,560,960 185,768,929 544,522,993 155,741,847 117,341,777 93,831,477 623,799,822 
        cost of goods sold
      430,069,318 432,567,307 385,039,503 1,542,224,143 404,462,142 384,362,469 387,987,605 1,536,585,036 384,407,857 390,389,807 376,024,080 1,309,143,858 346,435,670 315,055,988 307,838,816 1,111,462,082 258,698,723 276,408,285 300,424,671 1,082,745,885 286,401,872 185,980,748  1,170,589,437 297,440,131 292,173,750  1,143,597,005 287,263,147 282,176,968 292,791,704 1,100,344,312 267,398,126 275,931,278 277,734,465 1,010,472,512 255,821,376 257,028,219 246,876,998 939,841,654 237,932,439 233,715,046 225,845,046 836,611,464 212,288,220 204,144,736 204,440,537 741,131,269 182,659,141 184,361,279 176,035,466 726,740,962 178,132,021 187,498,242 189,880,269 174,182,650 157,376,970 160,629,160 520,573,101 133,073,198 127,667,134 117,200,560 366,968,216 101,386,005 81,547,272 71,521,107 420,672,934 
        gross profit
      225,166,737 225,290,903 191,733,587 771,090,190 204,063,635 188,563,309 202,237,606 762,630,008 191,440,633 193,083,039 174,737,231 609,814,185 147,201,025 148,367,014 160,411,960 619,707,847 140,900,021 151,596,741 183,300,168 605,443,520 188,236,712 43,944,808  688,307,969 180,321,286 176,537,604  690,466,692 172,990,286 172,804,472 172,628,401 694,528,266 171,229,660 167,207,795 175,800,785 668,452,244 173,821,900 166,772,559 158,690,788 603,776,052 151,896,700 145,543,431 143,092,409 538,889,695 138,625,692 134,292,228 131,298,807 430,732,902 105,962,485 102,612,619 93,463,503 372,818,559 90,116,068 92,757,306 100,826,493 95,285,317 85,624,571 90,316,737 295,690,313 73,759,755 73,893,826 68,568,369 177,554,777 54,355,842 35,794,505 22,310,370 203,126,888 
        operating expenses:
                                                                         
        engineering, research and development
      52,634,707 51,471,277 45,924,364 181,475,221 48,225,968 44,003,994 42,181,986 154,359,700 40,197,517 37,973,790 34,653,747 133,308,804 33,541,331 32,857,419 31,974,987 117,763,676 29,750,973 29,059,058 27,652,081 115,935,047 27,812,730 28,992,968  114,687,309 29,398,725 28,359,343  107,134,862 26,888,999 27,200,465 26,049,258 99,726,438 24,770,279 25,243,410 25,152,257 94,238,032 23,585,115 23,071,788 23,091,209 88,392,919 21,505,461 22,315,244 21,587,551 84,175,738 21,671,940 20,234,074 20,489,227 76,495,051 19,106,682 18,864,182 18,683,576 85,003,602 20,434,012 22,792,503 23,215,134 20,668,537 20,245,757 18,914,761 64,100,411 16,463,760 15,222,622 14,338,518 47,128,086 11,955,915 11,221,720 11,380,204 51,888,922 
        selling, general & administrative
      49,686,902 48,515,355 29,933,005  30,109,515 29,675,293 30,709,308  28,826,587 27,819,861 26,832,837  26,868,154 29,718,626 25,131,068  22,984,108 22,613,062 21,914,386  21,571,093 21,690,096   22,786,881 20,273,295   18,673,376 18,921,003 18,063,810  17,386,729 16,099,871 16,221,408  16,024,504 14,955,050 14,750,589  14,128,619 15,095,357 13,796,352  13,747,925 14,222,716 13,632,034  13,199,557 12,152,166 10,926,288  12,058,701 12,452,571 12,110,396 12,370,000 12,131,922 11,311,102  10,323,698 9,884,445 9,621,954  9,296,514 8,494,480 8,731,081  
        severance expense
      518,190 6,784,136 2,889,112                                                                 
        total operating expenses
      102,839,799 106,770,768 78,746,481 311,363,617 78,335,483 73,679,287 72,891,294 266,898,955 69,024,104 65,793,651 61,486,584 239,808,059 60,409,485 62,576,045 57,106,055 209,925,869 52,735,081 51,672,120 49,566,467 205,887,428 49,383,823 50,683,064  199,770,365 52,185,606 48,632,638  182,341,145 45,562,375 46,121,468 44,113,068 171,169,914 42,157,008 41,343,281 41,373,665 156,709,309 39,609,619 38,026,838 37,841,798 145,009,613 35,634,080 37,410,601 35,383,903 140,055,521 35,419,865 34,456,790 34,121,261 125,991,089 32,306,239 31,016,348 29,609,864 138,363,327 32,492,713 35,245,074 35,325,530 33,038,537 32,377,679 30,225,863 104,718,244 26,787,458 25,107,067 23,960,472 82,935,708 21,252,429 19,716,200 20,111,285 94,313,972 
        income from operations
      122,326,938 118,520,135 112,987,106 459,726,573 125,728,152 114,884,022 129,346,312 495,731,053 122,416,529 127,289,388 113,250,647 370,006,126 86,791,540 85,790,969 103,305,905 409,781,978 88,164,940 99,924,621 133,733,701 399,556,092 138,852,889 -6,738,256  488,537,604 128,135,680 127,904,966  508,125,547 127,427,911 126,683,004 128,515,333 523,358,352 129,072,652 125,864,514 134,427,120 511,742,935 134,212,281 128,745,721 120,848,990 458,766,439 116,262,620 108,132,830 107,708,506 398,834,174 103,205,827 99,835,438 97,177,546 304,741,813 73,656,246 71,596,271 63,853,639 234,455,232 57,623,355 57,512,232  62,246,780 53,246,892  190,972,069 46,972,297 48,786,759  94,619,069 33,103,413 16,078,305  108,812,916 
        other income
        -4,234,379  744,569 -1,159,272 1,670,139 -4,248,230    -5,078,873 -2,126,039 -1,903,269 -798,810 2,979,960 872,943 987,959 509,625 5,270,534 2,218,852 1,404,196  647,034 90,323 237,191   -73,979 -554,359 1,206,993      -800,855 -1,911,113 -2,069,419  -710,346 1,563,291                          
        investment income
      542,055 -3,628,231 4,874,855 13,402,841 18,982,629 -12,393,771 -3,368,524 13,498,351 3,851,967 2,890,934 2,939,195 4,795,823 1,496,852 920,284 788,316 3,589,798 856,351 903,139 1,023,410 6,986,303 1,825,257 1,462,033  11,230,696 3,353,510 2,140,387  11,262,385 3,180,683 2,844,133 2,037,605 9,442,387 2,139,387 1,736,138 1,472,527 4,787,128 916,556 774,102 790,041 4,990,811 495,468 754,052 612,025 6,016,727 406,491 398,005 325,158 6,724,717 474,084 625,717 495,413 5,307,180 586,517 633,700 596,023 543,996 598,455 499,570 2,901,956 620,160 556,004 512,883  567,664 867,640 1,192,664  
        other
      -2,298,285 578,235  16,059,475    15,117,532    15,259,538    21,582,858    20,304,860    11,613,355    11,496,734    14,197,321    11,614,716    12,547,418   97,359 9,050,471 380,289 5,388,560 4,189,386 5,127,751 6,912,924 4,906,951 1,404,860 7,497,144 3,476,189 2,533,783 2,690,337 1,707,840 3,902,721 2,864,818 5,428,081 2,578,853 998,302 2,564,472 4,391,978 1,911,329 1,356,244 -4,487,335 7,902,504 
        total other income
      -1,756,230  640,476 12,487,110 19,727,198 -13,553,043 -1,698,385 9,250,121 2,063,632 1,314,396 2,744,455 -283,050 -629,187 -982,985 -10,494 6,569,758 1,729,294 1,891,098 1,533,035 12,256,837 4,044,109 2,866,229  11,877,730 3,443,833 2,377,578  13,921,400 3,106,704 2,289,774 3,244,598 8,438,352 1,759,391 2,079,249 437,784 -1,182,162 115,701 -1,137,011 -1,279,378 4,825,017 -214,878 2,317,343 709,384 16,492,316 786,780 5,786,565 4,514,544 23,322,230 7,387,008 5,532,668 1,900,273 15,170,368 4,062,706 3,167,483 3,286,360 2,251,836 4,501,176 3,364,388 12,467,945 3,199,013 1,554,306 3,077,355 1,733,234 2,478,993 2,223,884 -4,585,261 -16,618,055 
        income before benefit from income taxes
      120,570,708 115,470,139 113,627,582 472,213,683 145,455,350 101,330,979 127,647,927 504,981,174 124,480,161 128,603,784 115,995,102 369,723,076 86,162,353 84,807,984 103,295,411 416,351,736 89,894,234 101,815,719 135,266,736 411,812,929 142,896,998 -3,872,027  500,415,334 131,579,513 130,282,544  522,046,947 130,534,615 128,972,778 131,759,931 531,796,704 130,832,043 127,943,763 134,864,904 510,560,773 134,327,982 127,608,710 119,569,612 463,591,456 116,047,742 110,450,173 108,417,890 415,326,490 103,992,607 105,622,003 101,692,090 328,064,043 81,043,254 77,128,939 65,753,912 249,625,600 61,686,061 60,679,715 68,787,323 64,498,616 57,748,068 63,455,262 203,440,014 50,171,310 50,341,065 47,685,252 96,352,303 35,582,406 18,302,189 -2,386,176 92,194,861 
        benefit from income taxes
      19,684,004 19,819,689 18,753,537 67,725,940 22,906,309 15,290,541 19,417,213 76,577,902 19,754,749 19,448,381 18,416,841 50,965,724 13,506,358 12,403,581 15,766,785 55,554,504 13,233,686 15,309,301 21,815,866 64,249,308 25,804,396   75,731,395 19,681,661 21,323,919  84,163,850 19,198,798 19,948,796 20,511,188 125,004,782 40,601,708 39,407,816 37,308,163 162,969,497 42,263,336 41,123,468 39,289,618 145,121,597 37,715,317 35,891,736 31,234,449 126,721,911 31,655,724 28,895,257 33,126,019 105,134,094 25,522,293 25,031,542 20,323,345 81,038,760 19,808,978 19,913,176 22,442,739 21,101,552 19,275,899 21,122,380 65,706,045 15,880,066 16,283,735 15,223,122 31,715,218 11,645,552 6,092,882 -829,245 30,106,914 
        net income
      100,886,704 95,650,450 94,874,045 404,487,743 122,549,041 86,040,438 108,230,714 428,403,272 104,725,412 109,155,403 97,578,261 318,757,352 72,655,995 72,404,403 87,528,626 360,797,232 76,660,548 86,506,418 113,450,870 347,563,621 117,092,602 -2,374,033  424,683,939 111,897,852 108,958,625  437,883,097 111,335,817 109,023,982 111,248,743 406,791,922 90,230,335 88,535,947 97,556,741 347,591,276 92,064,646 86,485,242 80,279,994 318,469,859 78,332,425 74,558,437 77,183,441 288,604,579 72,336,883 76,726,746 68,566,071 222,929,949 55,520,961 52,097,397 45,430,567 168,586,840 41,877,083 40,766,539 46,344,584 43,397,064 38,472,169 42,332,882 137,733,969 34,291,244 34,057,330 32,462,130 64,637,085 23,936,854 12,209,307 -1,556,931 62,087,947 
        less: net income attributable to non-controlling interests
      -81,206 -389,134                                                                  
        net income attributable to gentex corporation
      100,967,910 96,039,584                                                                  
        earnings per share attributable to gentex corporation:
                                                                         
        basic
      0.46 0.43 0.42 1.77 0.54 0.37 0.47 1.84 0.45 0.47 0.42 1.36 0.31 0.31 0.37 1.51 0.32 0.36 0.47 1.41 0.48 -0.01  1.67 0.44 0.42  1.64 0.42 0.4 0.4 1.42 0.32 0.31 0.34 1.21 0.32 0.3 0.28 1.09 0.27 0.25 0.26 0.99 0.5 0.53 0.47 1.55 0.39 0.36 0.32 1.18 0.29 0.28 0.32 0.3 0.27 0.3 0.99 0.25 0.24 0.23 0.47 0.17 0.09 -0.01 0.44 
        diluted
      0.46 0.43 0.42 1.76 0.53 0.37 0.47 1.84 0.45 0.47 0.42 1.36 0.31 0.31 0.37 1.5 0.32 0.36 0.46 1.41 0.48 -0.01  1.66 0.44 0.42  1.62 0.42 0.4 0.4 1.41 0.31 0.31 0.33 1.19 0.32 0.3 0.28 1.08 0.27 0.25 0.26 0.98 0.49 0.52 0.47 1.55 0.38 0.36 0.32 1.17 0.29 0.28 0.32 0.3 0.27 0.29 0.98 0.24 0.24 0.23 0.47 0.17 0.09 -0.01 0.44 
        cash dividends declared per share
      0.12 0.12 0.12 0.48 0.12 0.12 0.12 0.48 0.12 0.12 0.12 0.48 0.12 0.12 0.12 0.48 0.12 0.12 0.12 0.48 0.12 0.12  0.46 0.115 0.115  0.44 0.11 0.11 0.11 0.39 0.1 0.1 0.09 0.355 0.09 0.09 0.085 0.335 0.085 0.085 0.08 0.31 0.16 0.16 0.14 0.56 0.14 0.14 0.14 0.52 0.13 0.13 0.13 0.12 0.12 0.12 0.44 0.11 0.11 0.11 0.44 0.11 0.11 0.11 0.43 
        earnings per share has been adjusted to exclude the portion of net income allocated to participating securities as a result of share-based payment awards.
                                                                         
        total other loss
       -3,049,996                                                                  
        total liabilities and shareholders' investment
        2,782,549,228 2,760,820,975    2,611,437,552    2,327,229,924    2,131,391,166    2,197,941,170                                                
        earnings per share:
                                                                         
        current assets:
                                                                         
        plant and equipment:
                                                                         
        land, buildings and improvements
         531,261,137    472,112,320    376,934,354    363,646,380    350,574,243    344,231,180    340,910,332    317,600,833    294,696,813    232,665,249    231,160,686    223,191,567    198,156,137       120,578,714    112,276,501    111,240,060 
        machinery and equipment
         1,065,109,667    1,011,930,699    935,848,288    883,240,100    857,583,647    843,439,691    838,887,032    790,833,278    721,713,250    616,335,223    554,425,200    507,768,233    472,844,579       352,618,391    327,554,073    306,301,187 
        construction-in-process
         177,907,293    158,327,247    165,574,867    77,592,152    49,048,555    39,456,490    18,156,423    35,828,403    30,643,709    84,980,367    56,685,789    41,481,572    45,092,001       13,351,954    6,973,175    12,807,041 
        total plant and equipment
         1,774,278,097    1,642,370,266    1,478,357,509    1,324,478,632    1,257,206,445    1,227,127,361    1,197,953,787    1,144,262,514    1,047,053,772    933,980,839    842,271,675    772,441,372                    
        less- accumulated depreciation
         -1,045,796,630    -989,492,594    -928,324,473    -860,356,956    -789,071,310    -728,811,261    -699,480,021    -651,783,184    -581,231,305    -521,260,569    -468,880,683    -415,420,147                    
        net plant and equipment
         728,481,467    652,877,672    550,033,036    464,121,676    468,135,135    498,316,100    498,473,766    492,479,330    465,822,467    412,720,270    373,390,992    357,021,225                    
        other assets:
                                                                         
        current liabilities:
                                                                         
        accrued liabilities:
                                                                         
        salaries, wages and vacation
         19,526,367    22,725,631    17,517,580    14,019,643    18,557,799    16,385,833    15,860,073    18,502,209    12,378,007    9,324,470    8,984,609    7,770,868    7,188,092       5,724,818    4,674,854    5,001,952 
        income taxes
         439,545    693,391    18,726,857    196,863    3,790,219    24,952    4,293,608    360,014    572,834    148,251    768,142    13,316,102    1,582,570           3,766,593     
        royalties
         21,087,480    20,898,949    19,208,411    19,140,907    21,056,412    17,371,829    16,174,041    14,660,864    11,932,416    10,373,152    12,051,121    9,374,449    9,889,708       4,988,132    3,130,274    1,722,138 
        dividends payable
         27,264,897    27,774,653    28,100,320    28,372,901    29,243,144    28,896,914    28,526,147    28,028,132                                    
        shareholders’ investment:
                                                                         
        accumulated other comprehensive income:
                                                                         
        unrealized loss on investments
         -591,605    -2,022,403                                                            
        cumulative translation adjustment
         -5,817,736    -4,534,719    -4,032,239    920,589    769,045    -2,384,589    -1,674,887    645,030    -2,862,999    -44,909    1,403,899    2,507,922    2,458,933       566,903    2,743,754    1,158,009 
        selling, general and administrative
         121,023,692    112,539,255    106,499,255    92,162,193    89,952,381    85,083,056    75,206,283    71,443,476    62,471,277    56,616,694    55,879,783    49,496,038    48,359,725       40,617,833    35,807,622    42,425,050 
        impairment charges
         8,864,704                                                                
        other income:
                                                                         
        other loss
         -915,731     -1,788,335 -1,576,538 -194,740                      -379,996 343,111 -1,034,743                                 
        earnings per share has been adjusted to exclude the portion of net income allocated to participating securities as a result of share-based payment awards
                                                                         
        total shareholders’ investment
          2,417,627,342 2,400,299,527 2,376,363,789 2,312,517,069 2,268,453,807 2,195,949,326 2,123,255,646 2,065,792,821 2,034,045,664 1,986,574,480 1,928,968,900 1,937,988,467 1,887,630,286 1,916,318,989 1,960,980,714 1,963,943,128 1,895,612,299 1,822,607,413 1,834,605,633 1,938,087,820 1,921,328,263 1,904,334,235 1,857,074,747 1,861,751,660 1,843,104,255 1,921,499,312 1,969,977,496 2,049,518,261 2,026,265,199 2,003,936,423 1,974,771,538 1,910,424,234 1,856,265,390   1,722,516,761    1,571,412,445    1,327,603,683    1,120,960,556 1,092,645,247 1,094,690,058 1,070,271,172 983,618,617 963,700,994 934,958,451 893,530,826 829,848,489 793,218,133 774,109,057 735,928,743 708,762,503 689,686,104 682,929,094 698,596,322 
        total liabilities and shareholders’ investment
          2,735,296,843 2,738,285,062 2,713,214,570  2,558,318,838 2,487,107,092 2,433,347,835  2,311,323,063 2,284,454,234 2,180,382,485  2,116,428,753 2,166,797,931 2,242,445,544  2,192,475,106 2,101,041,533 2,158,103,092  2,167,296,404 2,142,802,873 2,100,365,628  2,069,388,926 2,192,109,284 2,254,352,468  2,371,631,194 2,364,093,796 2,363,292,666  2,258,273,672                1,254,904,329 1,254,026,027 1,255,147,206 1,134,543,461 1,114,019,908 1,091,912,967  942,282,627 900,402,966 904,685,944  800,685,575 756,091,888 745,047,765  
        restricted cash
                4,000,000 4,000,000                                                        
        equity method investments
                 48,425,978 39,680,791 39,940,046                                                      
        unrealized gain on investments
                 -10,110,695    1,006,655    6,082,007    1,095,486    74,549    6,626,379    2,788,975    829,907    10,868,322    19,467,441    15,111,778       21,750,000    15,595,588    383,426 
        accumulated other comprehensive income
                  3,285,957 -10,955,879 -5,127,408  3,270,600 4,265,038 1,954,667  4,447,060 2,739,244 214,794  -762,505 499,221 -275,734  -2,121,990 -479,104 2,212,989  6,005,415 3,181,156 745,234  -442,780                               
        current portion of long-term debt
                          25,000,000 75,000,000 75,000,000       23,125,000 50,000,000                                     
        (benefit from) benefit from income taxes
                           -1,497,994                                              
        total liabilites and shareholders' investment
                             2,168,803,193    2,085,434,068    2,352,053,912    2,309,619,833    2,148,672,928    2,022,540,029    1,764,088,434    1,265,691,335                
        current portion of long term debt
                                     78,000,000    7,500,000    7,500,000    7,500,000    7,500,000                    
        preferred stock, no par value, 5,000,000 shares authorized; none issued or outstanding
                                                                         
        unrealized gain on derivatives
                                     -78,026    -1,197,281    -1,915,834    -959,206                        
        long term debt
                                       9,375,000 36,250,000 178,125,000 195,000,000   225,625,000    258,125,000    265,625,000                    
        accrued liabilities and current portion of long-term debt
                                      185,019,306 188,219,588                                  
        dividends declared
                                         25,896,376    24,759,481    23,619,837    20,380,923    18,599,926       15,652,134    15,217,332    15,139,685 
        litigation settlement
                                                         5,000,000                
        less-accumulated depreciation and amortization
                                                         -366,154,545       -281,441,303    -249,273,500    -215,396,569 
        other shareholders’ investment
                                                          18,116,852 15,112,385 21,671,173 7,721,795 24,790,069 27,296,826  18,220,728 9,583,756 19,756,263  15,211,659 7,610,429 293,175  
        plant and equipment - net
                                                            309,663,660             
        operating income
                                                            65,500,963   60,090,874    44,607,897    2,199,085  
        plant and equipment — net
                                                             256,562,323 232,716,169 213,688,533  196,545,669 196,744,410 198,508,874  202,454,289 207,032,639 211,140,404  
        impairment loss on available-for-sale securities
                                                                    -1,290,590   -1,290,590 -17,909,901 
        litigation judgment
                                                                         
        interest and dividend income
                                                                    3,321,853    13,600,326 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 2025-09-30 2025-06-30 2025-03-31 2024-09-30 2024-06-30 2024-03-31 2023-09-30 2023-06-30 2023-03-31 2022-09-30 2022-06-30 2022-03-31 2021-09-30 2021-06-30 2021-03-31 2020-09-30 2020-06-30 2020-03-31 2019-09-30 2019-06-30 2019-03-31 2018-09-30 2018-06-30 2018-03-31 2017-09-30 2017-06-30 2017-03-31 2016-09-30 2016-06-30 2016-03-31 2015-09-30 2015-06-30 2015-03-31 2014-09-30 2014-06-30 2014-03-31 2013-09-30 2013-06-30 2013-03-31 2012-09-30 2012-06-30 2012-03-31 2011-09-30 2011-06-30 2011-03-31 2010-09-30 2010-06-30 2010-03-31 2009-09-30 2009-06-30 2009-03-31 
                                                            
          cash flows from operating activities:
                                                            
          net income from consolidated operations
        98,421,059 291,411,199 190,524,495                                                  
          adjustments to reconcile net income to net cash from operating activities:
                                                            
          depreciation and amortization
        25,656,252 78,808,967 52,880,443 25,509,069 70,887,294 47,942,132 23,953,768 71,001,177 48,841,936 24,041,648 73,289,065 50,052,518 24,711,500 75,105,881 51,497,665 25,599,131 78,489,026 53,437,698 26,295,146 79,331,513 53,296,388 28,098,804 80,748,272 55,908,679 28,046,434 74,858,551 50,428,320 25,181,854 68,853,761 45,789,787 22,839,030 63,709,095 42,471,227 21,279,105 59,747,630 39,592,545 19,825,402 42,334,977 27,566,632 13,805,949 37,620,512 25,138,931 12,674,712 33,310,248 21,283,279 10,552,370 29,591,073 19,553,096 9,675,591 28,895,520 19,213,984 9,625,860 
          gain on disposal of assets
        -18,375 -161,501 -133,576                    -145,777 -130,647 -4,374 -163,984 -83,667 -146,261 -10,900 -10,900 -10,900 -18,052 -18,052 -44,414 -35,000 -35,000 -54,520                
          loss on disposal of assets
        7,524 13,243 791  48,618 29,782 6,838 250,435 220,568 41,843 22,096 11,776 11,067 213,430 133,036 131,490 146,195 88,357 54,279 495,697 340,070 122,296 26,839 10,544 8,677 288,323 286,318 359,959 796,234 705,381 577,916 360,659 250,247 221,953 411,129 374,925 218,409 2,114,241 2,010,463 1,495,536 327,382 397,298 161,487 838,359 539,865 507,022 662,402 439,689 179,297 409,489 397,184 288,031 
          gain on sale of investments and technology investment income
        -1,090,014 -1,637,823 -832,046                                                  
          loss on sale of investments and technology investment losses
        3,665,560 6,630,483 5,163,260 3,274,941 14,839,974 29,061,771 10,384,965                                              
          reserve for credit losses
        2,211,597 4,778,334                                                   
          deferred income taxes
        -3,944,932 -5,832,023                   196,133 -1,233,853 -5,538,048 -2,743,537 -2,746,797 6,855,507 7,008,364 5,718,363 2,204,030 -402,154 -2,403,818 -10,836,858 -2,472,624 -15,354 225,911 667,802 -1,614,318 -6,271,382 -3,024,452 -2,180,428 2,923,004 1,729,418 880,311 3,027,961 7,328,085 2,003,651 4,164,643 301,435 -160,137 -5,208,670 -3,829,485 -3,301,142 
          stock-based compensation expense related to employee stock options, employee stock purchases and restricted stock
        10,406,965 26,596,685 16,160,289 8,671,763 30,936,895 21,396,790 10,473,792 29,212,236 18,264,205 8,519,535 22,973,113 15,361,567 6,788,337 20,114,921 12,622,158 5,894,645 23,266,906 15,960,362 6,356,070 15,927,434 10,139,148 4,862,947 13,558,557 8,652,939 3,977,471 13,090,804 9,114,708 4,422,996 14,503,307 9,777,427 4,974,453 16,534,607 11,224,538 5,813,951 15,569,999 10,147,262 4,742,080 12,528,264 8,077,955 3,850,063 12,361,993 7,991,705 3,960,579 10,184,719 6,419,575 3,101,524 7,669,990 4,870,212 2,334,402 6,876,619 4,449,101 2,244,273 
          impairment charges - intangible assets
        2,800,000                                                    
          impairment charges - investments
        2,739,466                                                    
          change in operating assets and liabilities:
                                                            
          accounts receivable
        -50,951,356 -30,771,806 -20,896,565 -35,280,995 -34,528,140 15,244,187 -19,781,263 -74,648,395 -73,915,719 -56,373,376 -42,618,585 -24,609,666 -31,666,772 43,704,625 50,784,339 7,253,692 -32,832,997 64,981,864 1,832,201 -39,570,916 -12,888,533 -30,728,497 -16,200,315 -8,284,592 -15,305,451 -28,914,071 -17,658,594 -37,866,173 -33,267,389 -23,473,550 -28,020,070 -40,194,912 -28,050,976 -33,773,355 -43,365,458 -35,234,410 -28,290,721 -31,755,237 -10,607,330 -12,347,433 -15,882,832 -19,558,762 -28,907,130 -34,391,598 -16,211,416 -20,682,578 -35,522,370 -22,294,349 -12,667,399 -29,807,906 -6,921,077 -2,692,121 
          inventories
        -7,255,989 35,148,302 57,495,782 27,562,638 -46,837,992 -61,019,277 -34,064,216 8,907,490 14,334,001 2,590,294 -102,018,719 -76,310,383 -46,469,079 -66,308,038 -37,608,133 -6,768,464 15,659,539 -10,710,548 -2,064,558 -13,395,196 187,136 -21,443 3,371,546 4,389,930 9,532,631 -17,346,380 -7,228,785 -7,776,814 -4,658,192 -1,531,186 -13,929,365 -22,846,177 -9,014,610 -3,806,065 -15,523,737 -5,137,710 -8,275,303 42,523,707 43,928,296 29,860,576 11,633,857 -3,576,693 -11,997,848 -50,402,115 -18,728,798 -3,307,536 -38,497,371 -25,671,717 -14,137,368 8,315,421 6,612,897 871,460 
          prepaid expenses and other
        5,958,594 -6,400,676 2,765,009 9,056,108 -2,616,370 -3,559,130 4,663,897 -5,416,624 -2,722,437 -629,502 -16,978,469 -6,035,375 16,082,077 -45,504,501 -41,394,722 768,229 8,934,297 14,230,026 12,779,046 -2,729,945 -2,311,576 10,847,705 -14,797,969 -9,171,506 2,872,873 14,540,408 16,812,179 18,857,501 21,515,247 19,882,083 23,521,639 9,106,066 11,612,976 15,219,554 -13,414,445 -7,809,607 534,133 -12,362 329,541 133,880 4,403,912 3,305,799 11,876,847 6,319,685 765,712 4,712,490 3,686,589 2,655,958 2,777,951 12,264,207 12,437,539 4,765,750 
          accounts payable
        21,070,064 52,627,156 5,032,376 -3,809,528 -8,976,998 17,318,424 6,080,702 27,451,773 22,410,431 11,112,425 52,511,201 48,905,968 42,968,193 15,748,219 16,477,865 22,277,513 -7,389,582 -37,452,944 2,545,274 2,499,481 -2,769,229 -2,692,820 143,514 16,885,979 -12,590,570 -60,096 2,957,299 -2,249,350 4,647,045 15,469,383 13,065,406 12,435,275 -1,520,783 1,827,677 12,103,087 -689,646 7,889,358 7,139,387 589,628 -10,198,080 -13,236,250 -11,955,646 7,515,474 29,862,133 22,987,528 20,777,628 22,648,952 16,806,867 22,301,560 12,515,291 -2,963,443 -422,156 
          accrued liabilities, excluding dividends declared
        27,406,814 2,040,885 5,896,241 20,386,827 19,229,845 15,643,764 28,279,293 7,500,486 11,483,186 33,525,890                   22,661,540 21,670,990 50,511,519 33,810,991 21,821,075 27,731,368 10,603,937 7,906,087 39,907,356 18,606,444 15,235,030 30,735,336 15,529,686 15,768,179 20,435,185 13,232,767 7,203,272 20,995,621 1,859,735 7,886,131 21,154,386 11,398,168 4,765,954 1,087,413 
          net cash from operating activities
        137,083,229 461,627,573 314,644,872 148,505,521 343,817,752 259,127,445 129,877,130 367,668,306 241,766,133 120,914,110 236,357,565 189,261,043 115,958,543 299,380,991 252,242,169 190,849,001 329,044,250 190,452,184 151,280,470 383,940,298 273,467,294 133,840,218 398,207,288 292,384,554 147,449,048 352,556,094 263,557,719 131,191,171 353,024,801 253,471,126 151,441,164 283,161,580 191,887,721 107,951,846 227,453,833 142,105,586 97,721,946 223,665,953 172,285,546 97,422,534 176,449,443 101,528,917 61,131,521 125,431,938 104,615,030 77,375,543 92,108,704 67,105,808 61,308,014 83,624,209 49,537,751 16,063,355 
          capital expenditures
          free cash flows
        137,083,229 461,627,573 314,644,872 148,505,521 343,817,752 259,127,445 129,877,130 367,668,306 241,766,133 120,914,110 236,357,565 189,261,043 115,958,543 299,380,991 252,242,169 190,849,001 329,044,250 190,452,184 151,280,470 383,940,298 273,467,294 133,840,218 398,207,288 292,384,554 147,449,048 352,556,094 263,557,719 131,191,171 353,024,801 253,471,126 151,441,164 283,161,580 191,887,721 107,951,846 227,453,833 142,105,586 97,721,946 223,665,953 172,285,546 97,422,534 176,449,443 101,528,917 61,131,521 125,431,938 104,615,030 77,375,543 92,108,704 67,105,808 61,308,014 83,624,209 49,537,751 16,063,355 
          cash flows used for investing activities:
                                                            
          activity in investments:
                                                            
          sales proceeds
        492,475 71,903,080 48,810,102 48,810,102 35,059,971 19,649,880 16,121,684 32,839,883 21,523,990 3,128,110 37,429,595 37,429,595 37,158,611 34,250,068 34,250,068 15,019,323 15,559,590 5,607,634 3,124,008 57,087,935 28,845,319 17,139,689 54,078,232 53,822,336 53,822,052 2,888,493 2,179,926 1,316,280 75,741,184 45,982,921 43,417,073 45,787,794 13,805,507 7,540,449 68,958,662 55,370,528 23,856,516 69,937,242 31,899,490 10,627,243             
          purchases
        -3,145,703 -16,267,120 -17,331,563 -12,180,407 -83,764,695 -60,360,047 -37,537,250 -112,608,739 -65,945,596 -32,178,155 -25,304,476 -19,506,446 -15,889,063 -86,228,584 -71,596,074 -31,379,609 -59,933,780 -52,650,769 -48,606,718 -66,360,636 -40,298,297 -18,475,158 -180,657,259 -177,243,275 -1,213,405 -18,062,164 -17,216,593 -16,225,018 -182,664,625 -165,496,238 -25,154,245 -34,380,942 -12,939,815 -6,360,397 -63,310,363 -52,943,104 -24,487,944 -58,278,107 -51,633,929 -33,136,682             
          purchase of equity method investments
        -5,491,789          -24,250,000 -24,250,000                                         
          plant and equipment additions
        -17,042,162 -103,418,837 -67,834,222 -36,722,401 -102,966,564 -63,634,852 -31,871,370 -121,393,801 -90,277,995 -42,819,075 -108,475,787 -57,998,319 -23,892,169 -44,357,786 -31,352,443 -12,599,388 -37,048,073 -28,828,066 -15,574,443 -58,322,472 -45,504,667 -16,844,301 -68,771,193 -51,860,448 -26,247,890 -86,111,836 -56,218,870 -27,119,993 -91,497,229 -54,832,532 -20,329,035 -62,282,827 -33,589,833 -15,160,355 -49,994,352 -30,248,002 -16,417,890 -38,026,769 -24,067,012 -12,674,970 -97,597,283 -69,424,380 -39,824,858 -84,994,919 -48,995,466 -19,436,397 -29,126,357 -19,095,284 -10,845,788 -16,452,961 -11,457,187 -5,988,937 
          proceeds from sale of plant and equipment
        70,262 259,111 245,105 53,110 142,400 127,000 9,500 185,610 140,610 118,410 91,949 44,881 33,740 2,550,805 99,850 17,744 331,465 200,475 165,533 1,937,207 227,738 117,455 194,200 179,700 67,400 192,756 89,701 15,001 516,667 516,667 516,667 35,005 35,005 35,005 316,449 15,510 9,500 1,012,608 10,803  177,132 77,509 47,505 480,460 261,328 146,578 10,754 2,003 2,001 
          loans to technology investment partners
        -1,334,424 -14,199,157                                                   
          decrease in other assets
        877,306                 -3,886,518 -2,544,554 -3,111,644 -1,022,057 164,215 -4,557,125 -2,965,781 45,322 2,432,320 1,783,574 -588,361 -2,416,610 -2,287,732 135,904     -683,656 -285,354 -602,017 -531,456 -706,899 -16,036,911 -725,542 175,419 1,560,369 2,474,000 2,239,006 -4,095,559 -5,483,679 -2,043,241 336,465 -110,930 -551,254 
          net cash from investing activities
        -25,574,035 -217,284,919 -181,358,214 -5,101,545 -146,883,017 -102,078,900 -55,142,494 -189,075,734 -126,395,275 -72,396,645 -119,319,147 -63,217,406 -2,044,300 -82,462,784 -64,395,676       -14,898,100 -147,821,009 -156,183,468 29,473,479 -80,560,431 -57,282,262 -36,502,091 -200,320,613 -176,116,914 -1,413,636    -45,524,840 -28,469,229 -17,299,667 -626,617,808 -38,067,397 -32,881,808 -73,846,857 -55,798,971 -33,809,644 -51,898,887 7,061,007 20,860,421 -110,865,059 -103,310,297 -58,930,326 2,846,778 15,722,989 13,474,245 
          cash flows used for financing activities:
                                                            
          issuance of common stock from stock plan transactions
        2,103,787 13,338,052 6,283,742 4,933,702 24,024,353 20,242,309 16,833,987 24,304,861 13,882,810 5,956,022 12,365,103 8,995,167 3,324,147 20,773,874 13,656,884 9,265,840 23,677,181 15,710,692 7,355,488 68,221,875 41,934,814 10,514,554 61,379,666 52,996,593 36,267,047 31,896,752 21,929,900 17,237,232 55,449,028 29,282,769 10,678,450 20,008,358 13,809,419 9,131,177 19,184,437 11,576,970 6,227,631 22,526,742 16,030,793 6,592,272 8,417,982 7,439,914 2,466,307 21,815,871 14,775,493 8,142,192 31,734,568 25,392,689 17,308,754 488,133 215,390 37,932 
          cash dividends paid
        -25,853,186 -80,586,484 -54,244,161 -27,264,150 -83,145,216 -55,517,709 -27,774,268 -84,159,105 -56,146,939 -28,099,993 -84,941,178 -56,725,981 -28,589,625 -86,902,257 -58,227,768 -29,243,108 -87,774,635 -58,281,727 -28,896,894 -87,217,383 -57,918,158 -28,526,146 -87,733,776 -58,152,113 -28,028,132 -80,417,057 -51,796,194 -25,896,377 -75,217,692 -49,334,501 -24,759,481 -72,150,137 -47,193,926 -23,619,837 -64,209,453 -40,808,322 -20,380,923 -58,898,029 -38,701,691 -18,599,926 -54,829,734 -36,036,136 -17,288,348 -49,955,251 -32,781,030 -15,652,134 -45,954,715 -30,559,224 -15,217,332 -45,435,764 -30,283,927 -15,139,685 
          repurchases of common stock
        -68,643,877 -229,023,565 -198,870,165 -67,833,696 -184,609,148 -87,966,213 -41,224,840 -76,859,341 -54,195,766 -25,675,972 -83,840,290 -71,252,022 -71,252,022 -304,195,755 -213,613,842 -97,692,763 -210,480,446 -178,819,584 -178,819,584 -262,763,375 -166,138,372 -96,267,229 -521,749,624 -349,205,921 -202,572,378 -129,827,666 -73,556,886 -30,986,385 -122,741,623 -92,274,871 -44,585,668 -82,900,454 -50,107,196 -25,049,145 -9,999,957      -33,716,725            
          net cash from financing activities
        -92,393,276 -296,271,997 -246,830,584 -90,164,144 -243,730,011 -123,241,613 -52,165,121 -136,713,585 -96,459,895 -47,819,943 -156,416,365 -118,982,836           -626,103,734 -409,236,441 -222,333,463 -256,472,971 -172,173,180 -81,520,530 -169,743,434 -129,417,775     -58,034,081 -31,577,612 -15,325,712 239,950,146 -21,175,048 -11,666,429 -79,487,405 -28,009,687 -14,503,926 -24,777,420 -15,405,878 -6,263,841 -13,634,193 -4,669,099 2,367,763 -44,947,631 -30,068,537 -15,101,753 
          net increase in cash, cash equivalents, and restricted cash
        19,115,918                                                    
          cash and cash equivalents, beginning of period
        145,645,715  233,318,766        262,311,670 262,311,670 262,311,670 423,371,036 423,371,036 423,371,036 296,321,622 296,321,622 296,321,622 217,025,278 217,025,278 217,025,278 569,734,496 569,734,496 569,734,496 546,477,075 546,477,075 546,477,075 551,557,527 551,557,527 551,557,527 497,429,804 497,429,804 497,429,804 309,591,724 309,591,724 309,591,724 389,678,664 389,678,664 389,678,664 357,986,774 357,986,774 357,986,774 348,349,773 348,349,773 348,349,773 336,108,446 336,108,446 336,108,446 294,306,512 294,306,512 294,306,512 
          cash and cash equivalents, end of period
        164,761,633  119,774,840        222,933,723 269,372,471 279,708,413 269,965,105 353,032,803 455,940,751 400,499,542 343,811,484 278,524,928 260,151,083 260,332,892 221,688,575 194,017,041 296,699,141 524,323,560 561,999,767 580,579,352 559,645,625 534,518,281 499,493,964 626,470,720 564,528,197 569,896,553 549,911,648 433,486,636 391,650,469 374,688,291 226,676,955 502,721,765 442,552,961 381,101,955 375,707,033 370,804,725 397,105,404 444,619,932 440,321,896 303,717,898 295,234,858 340,853,897 335,829,868 329,498,715 308,742,359 
          gain on sale of investments and equity method investment income
                                                            
          loss on sale of investments and equity method investment losses
               6,840,692 4,201,138 1,671,583                                           
          provision for credit losses
                                                            
          remeasurement of earnout provision
                                                            
          stock based compensation expense related to employee stock options, employee stock purchases and restricted stock
                                                            
          impairment charges - goodwill and intangible assets
                                                            
          accrued liabilities
                                                            
          net cash flows from operating activities
                                                            
          activity in available-for-sale securities:
                                                            
          maturities and calls
         1,655,000 1,655,000  10,260,000 6,260,000 1,420,000 14,435,000 11,650,000 1,465,000 3,500,000 3,000,000 1,000,000 26,110,000 16,685,000 2,000,000 117,172,368 90,017,368 19,720,000 9,714,000 9,714,000 3,000,000 51,892,136 21,884,000 3,000,000 18,100,000 12,100,000 6,100,000          98,142,408 6,250,000 3,000,000             
          voxx share purchases
                                                            
          purchase of technology investments
                                                            
          acquisition of businesses, net of cash acquired
         -156,291,615 -143,328,862           -12,023,440 -12,023,440 -12,023,440 -8,043,217 -7,031,827                    -698,107,014               
          increase in other assets
         -925,381 -3,573,774 -5,061,949 -5,614,129 -4,120,881 -3,285,058 -2,533,687 -3,486,284 -2,110,935 -2,310,428 -1,937,117 -455,419 -2,763,847 -458,637 -1,643,884 -3,326,783                                    
          net increase in cash and cash equivalents
          -113,543,926 53,239,832 -46,795,276 33,806,932 22,569,515 41,878,987 18,910,963 697,522  7,060,801 17,396,743 -153,405,931 -70,338,233 32,569,715 104,177,920 47,489,862 -17,796,694 43,125,805 43,307,614 4,663,297 -375,717,455 -273,035,355 -45,410,936 15,522,692 34,102,277 13,168,550 -17,039,246 -52,063,563 74,913,193 67,098,393 72,466,749 52,481,844 123,894,912 82,058,745 65,096,567 -163,001,709 113,043,101 52,874,297 23,115,181 17,720,259 12,817,951 48,755,631 96,270,159 91,972,123 -32,390,548 -40,873,588 4,745,451 41,523,356 35,192,203 14,435,847 
          cash and cash equivalents, beginning of year
                                                            
          cash and cash equivalents, end of year
                                                            
          supplemental cash flow data
                                                            
          non-cash investing and financing activities:
                                                            
          change in property and equipment in accounts payable and accrued expenses and other current liabilities
                                                            
          impairment charge
         8,376,148 6,182,000                                                  
          net decrease in cash, cash equivalents, and restricted cash
         -51,929,343                                                   
          cash, cash equivalents, and restricted cash, beginning of period
         233,318,766  233,318,766 226,435,019 226,435,019 226,435,019 218,754,638 218,754,638 218,754,638                                           
          cash, cash equivalents, and restricted cash, end of period
         181,389,423  286,558,598 179,639,743 260,241,951 249,004,534 260,633,625 237,665,601 219,452,160                                           
          reconciliation of cash, cash equivalents and restricted cash to the unaudited condensed consolidated balance sheets:
                                                            
          cash and cash equivalents
         178,589,422                                                   
          restricted cash included in prepaid expenses and other
         2,800,001                                                   
          deferred tax expense
          -5,593,627 -927,401 -9,970,207 -11,232,239                                               
          net income
           94,874,045 316,820,194 194,271,153 108,230,714 311,459,076 206,733,664 97,578,261 232,589,023 159,933,028 87,528,626 276,617,836 199,957,288 113,450,870 204,224,370 87,131,768 89,505,801 325,136,888 213,239,036 104,280,411 331,608,542 220,272,725 111,248,743 276,323,023 186,092,688 97,556,741 258,829,882 166,765,236 80,279,994 230,074,303 151,741,878 77,183,441 217,629,700 145,292,817 68,566,071 153,048,925 97,527,964 45,430,567 128,988,206 87,111,123 46,344,584 124,202,115 80,805,051 42,332,882 100,810,704 66,519,460 32,462,130 34,589,230 10,652,376 -1,556,931 
          (gain) on disposal of assets
           -24,367 -1,279,049 -1,261,727 -25,671 -271,510 -214,593 -106,743 -56,257 -45,214 -33,982 -459,528 -19,891 -2,391 -281,542 -155,229 -151,910 -148,376 -95,658 -43,338                               
          (gain) on sale of investments and technology investment income
           -787,579 -4,736,312 -4,708,185 -4,687,471                                              
          impairment charges
                                                            
          cash, cash equivalents, and restricted cash, beginning of year
                                                            
          cash, cash equivalents, and restricted cash, end of year
                                                            
          change in deferred income taxes
              -3,638,218 -11,870,944 -5,122,661 141,959 4,785,787 5,044,744  -20,269,706 -3,546,862 -1,544,501 -9,559,993 -2,176,462 -1,589,855 2,189,818                                 
          (gain) on sale of investments and equity method investment income
               -2,747,586 -2,747,586 -1,199,707                                           
          net cash (used for) from investing activities
                                                            
          proceeds from borrowings on credit agreement
                        75,000,000 75,000,000 75,000,000                   275,000,000               
          repayment of borrowings on credit agreement
                        -50,000,000                                    
          (gain) on sale of investments
                  -391,378 -391,378 -367,879 -969,971 -969,971 -486,433 -1,504,757 -1,023,683 -42,461 -593,351 -218,981 -88,576                               
          loss on sale of investments
                  1,248,450 989,196 704,214 192,346 192,346 41,681 143,370 72,871 5,487    532,494 529,484 529,484 113,091 37,718 21,431 3,512,544 2,144,668 1,961,673 1,828,617 307,110 300,593 1,081,164 647,520 25,808 805,805 714,756 -2,822,207 -7,578,955 -4,235,900 -1,494,565 -7,390,376 -5,177,464 -2,371,430 -4,379,689 -3,463,538 -2,336,058 2,086,250 3,432,131 3,862,328 
          accrued liabilities, excluding dividends declared and short-term debt
                  11,002,238 16,354,262 15,702,241 1,195,477 4,117,051 24,233,539 49,749,418 6,068,104 15,755,950 14,797,251 14,353,360 20,436,582 6,408,044 7,309,915 23,125,002 13,999,423 16,667,667 27,385,768                         
          net decrease in cash and cash equivalents
                  -39,377,947                                          
          cash flows (used for) financing activities:
                                                            
          net cash (used for) financing activities
                    -96,517,500 -370,324,138 -258,184,726 -117,670,032 -249,577,900 -146,390,619 -125,360,990 -281,758,883 -182,121,716 -114,278,821         -75,114,335 -163,255,650 -85,612,543 -40,339,061                   
          gain on sale of investments
                              -1,508,411 -1,245,359 -1,245,075 -1,028,505 -876,496 -274,844 -3,170,455 -1,657,211 -1,498,949 -8,390,451 -4,835,125 -2,912,864 -14,964,192 -12,213,259 -5,049,229 -15,121,583 -8,567,087              
          cash flows (used for) from investing activities:
                                                            
          cash flows (used for) investing activities:
                                                            
          net cash (used for) investing activities
                       -40,609,254 24,711,570 3,428,297 -43,716,174 -59,055,610 -48,037,964           -52,807,537 -33,808,429 -15,130,941                   
          repayment of long-term debt
                                  -68,750,000 -41,875,000 -30,625,000 -18,750,000 -16,875,000 -30,625,000 -3,750,000 -1,875,000 -5,625,000 -3,750,000 -1,875,000                
          repayment of debt
                              -78,000,000 -54,875,000 -28,000,000 -78,125,000                           
          cash flows from investing activities:
                                                            
          excess tax benefits from stock based compensation
                                                            
          excess tax benefits from stock-based compensation
                                    -3,391,853 -1,658,828 -427,364 -2,411,583 -1,629,160 -1,073,744 -2,615,892 -1,403,740 -702,580 -2,275,233 -1,495,850 -341,225 -641,072 -586,535 -318,115 -3,361,960 -2,599,659 -1,246,101 -585,954 -497,436 -276,341    
          cash flows from financing activities:
                                                            
          deferred financing costs
                                                            
          (increase) in other assets
                                       -1,931,566 -1,084,292 -1,150,642 -1,213,792                  
          financing costs paid
                                             -953,800               
          net cash from (provided by) financing activities
                                                            
          decrease in investments
                                                38,774,729 14,340,148 5,839,795 31,358,531 53,504,964 38,010,307 -78,123,603 -78,992,662 -46,187,875 18,952,520 27,289,103 20,012,435 
          impairment loss on available-for-sale securities
                                                         1,290,590 1,290,590 1,290,590 
          cash and cash equivalents,
                                                            
          beginning of year
                                                            
          end of year
                                                            
          stock based compensation expense related to employee stock options,employee stock purchases and restricted stock
                                                            
          adjustments to reconcile net income to net cash from operating activities-