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v3.23.3

Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands | Common Stock [Member] Common Class A [Member] | Common Stock [Member] Common Class B [Member] | Common Stock [Member] | Additional Paid-in Capital [Member] | Treasury Stock, Common [Member] | Retained Earnings [Member] Common Class A [Member] | Retained Earnings [Member] Common Class B [Member] | Retained Earnings [Member] | AOCI Attributable to Parent [Member] | Parent [Member] Common Class A [Member] | Parent [Member] Common Class B [Member] | Parent [Member] | Noncontrolling Interest [Member] | Common Class A [Member] | Common Class B [Member] | Total
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance (in shares) at Dec. 31, 2021 | 64,662 | 18,598 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Dec. 31, 2021 |  |  | $ 563 | $ 470,750 | $ (36,933) |  |  | $ 1,031,582 | $ 787 |  |  | $ 1,466,749 |  |  |  | $ 1,466,749
Stock options exercised and stock awards (in shares) | 168 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options exercised and stock awards |  |  | 1 | 2,384 |  |  |  |  |  |  |  | 2,385 |  |  |  | 2,385
Stock-based compensation related to stock options, restricted shares and employee stock purchase plan |  |  |  | 13,793 |  |  |  |  |  |  |  | 13,793 |  |  |  |
Vesting of restricted share awards (in shares) |  | 454 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting of restricted share awards |  |  | 3 | (7,215) |  |  |  |  |  |  |  | (7,212) |  |  |  | (7,212)
Issuance of common stock under employee stock purchase plan (in shares) | 99 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock under employee stock purchase plan |  |  | 1 | 2,434 |  |  |  |  |  |  |  | 2,435 |  |  |  | 2,435
Common stock repurchases (in shares) | (288) | (157) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock repurchases |  |  |  |  | (15,315) |  |  |  |  |  |  | (15,315) |  |  |  | (15,315)
Cash dividends declared |  |  |  |  |  | $ (8,189) | $ (2,505) |  |  | $ (8,189) | $ (2,505) |  |  |  |  |
Foreign currency translation |  |  |  |  |  |  |  |  | 445 |  |  | 445 |  |  |  |
Net income |  |  |  |  |  |  |  | 92,453 |  |  |  | 92,453 |  |  |  |
Balance (in shares) at Mar. 31, 2022 | 64,641 | 18,895 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Mar. 31, 2022 |  |  | 568 | 482,146 | (52,248) |  |  | 1,113,341 | 1,232 |  |  | 1,545,039 |  |  |  | 1,545,039
Balance (in shares) at Dec. 31, 2021 | 64,662 | 18,598 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Dec. 31, 2021 |  |  | 563 | 470,750 | (36,933) |  |  | 1,031,582 | 787 |  |  | 1,466,749 |  |  |  | 1,466,749
Foreign currency translation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (5,823)
Net income |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 293,789
Balance (in shares) at Sep. 30, 2022 | 63,561 | 18,138 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Sep. 30, 2022 |  |  | 571 | 494,703 | (123,781) |  |  | 1,291,602 | (5,637) |  |  | 1,657,458 | $ 18,561 |  |  | 1,676,019
Balance (in shares) at Mar. 31, 2022 | 64,641 | 18,895 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Mar. 31, 2022 |  |  | 568 | 482,146 | (52,248) |  |  | 1,113,341 | 1,232 |  |  | 1,545,039 |  |  |  | 1,545,039
Stock options exercised and stock awards (in shares) | 244 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options exercised and stock awards |  |  | 2 | 3,244 |  |  |  |  |  |  |  | 3,246 |  |  |  | 3,246
Stock-based compensation related to stock options, restricted shares and employee stock purchase plan |  |  |  | 4,203 |  |  |  |  |  |  |  | 4,203 |  |  |  | 4,203
Vesting of restricted share awards |  |  |  | (1,423) |  |  |  |  |  |  |  | (1,423) |  |  |  | (1,423)
Common stock repurchases (in shares) | (673) | (496) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock repurchases |  |  |  |  | (38,438) |  |  |  |  |  |  | (38,438) |  |  |  | (38,438)
Cash dividends declared |  |  |  |  |  | (8,128) | (2,521) |  |  | (8,128) | (2,521) |  |  | $ (8,128) | $ (2,521) |
Foreign currency translation |  |  |  |  |  |  |  |  | (567) |  |  | (567) |  |  |  | (567)
Net income |  |  |  |  |  |  |  | 110,227 |  |  |  | 110,227 | 446 |  |  | 110,673
Balance (in shares) at Jun. 30, 2022 | 64,212 | 18,399 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Jun. 30, 2022 |  |  | 570 | 488,170 | (90,686) |  |  | 1,212,919 | 64 |  |  | 1,611,037 | 18,274 |  |  | 1,629,311
Reclassification of foreign currency translation related to equity method |  |  |  |  |  |  |  |  | (601) |  |  | (601) |  |  |  | (601)
Noncontrolling interest equity |  |  |  |  |  |  |  |  |  |  |  |  | 17,828 |  |  | 17,828
Stock options exercised and stock awards (in shares) | 16 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options exercised and stock awards |  |  |  | 227 |  |  |  |  |  |  |  | 227 |  |  |  | 227
Stock-based compensation related to stock options, restricted shares and employee stock purchase plan |  |  |  | 3,554 |  |  |  |  |  |  |  | 3,554 |  |  |  | 3,554
Vesting of restricted share awards (in shares) |  | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting of restricted share awards |  |  |  | (31) |  |  |  |  |  |  |  | (31) |  |  |  | (31)
Issuance of common stock under employee stock purchase plan (in shares) | 102 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock under employee stock purchase plan |  |  | 1 | 2,783 |  |  |  |  |  |  |  | 2,784 |  |  |  | 2,784
Common stock repurchases (in shares) | (769) | (264) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock repurchases |  |  |  |  | (33,095) |  |  |  |  |  |  | (33,095) |  |  |  | (33,095)
Cash dividends declared |  |  |  |  |  | (8,995) | (2,698) |  |  | (8,995) | (2,698) |  |  | (8,995) | (2,698) |
Foreign currency translation |  |  |  |  |  |  |  |  | (5,701) |  |  | (5,701) |  |  |  | (5,701)
Net income |  |  |  |  |  |  |  | 90,376 |  |  |  | 90,376 | 287 |  |  | 90,663
Balance (in shares) at Sep. 30, 2022 | 63,561 | 18,138 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Sep. 30, 2022 |  |  | 571 | 494,703 | (123,781) |  |  | 1,291,602 | (5,637) |  |  | 1,657,458 | 18,561 |  |  | 1,676,019
Balance (in shares) at Dec. 31, 2022 | 63,518 | 18,125 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Dec. 31, 2022 |  |  | 572 | 500,642 | (130,930) |  |  | 1,378,337 | (4,130) |  |  | 1,744,491 |  |  |  | 1,763,022
Stock options exercised and stock awards (in shares) | 228 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options exercised and stock awards |  |  | 2 | 3,412 |  |  |  |  |  |  |  | 3,414 |  |  |  | 3,414
Stock-based compensation related to stock options, restricted shares and employee stock purchase plan |  |  |  | 13,080 |  |  |  |  |  |  |  | 13,080 |  |  |  | 13,080
Vesting of restricted share awards (in shares) |  | 422 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting of restricted share awards |  |  | 3 | (6,964) |  |  |  |  |  |  |  | (6,961) |  |  |  | (6,961)
Issuance of common stock under employee stock purchase plan (in shares) | 102 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock under employee stock purchase plan |  |  |  | 2,828 |  |  |  |  |  |  |  | 2,828 |  |  |  | 2,828
Common stock repurchases (in shares) | (623) | (84) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock repurchases |  |  |  |  | (25,280) |  |  |  |  |  |  | (25,280) |  |  |  | (25,280)
Cash dividends declared |  |  |  |  |  | (8,897) | (2,692) |  |  | (8,897) | (2,692) |  |  | (8,897) | (2,692) |
Foreign currency translation |  |  |  |  |  |  |  |  | 232 |  |  | 232 |  |  |  | 232
Net income |  |  |  |  |  |  |  | 90,455 |  |  |  | 90,455 | 335 |  |  | 90,790
Balance (in shares) at Mar. 31, 2023 | 63,225 | 18,463 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Mar. 31, 2023 |  |  | 577 | 512,998 | (156,210) |  |  | 1,457,203 | (3,898) |  |  | 1,810,670 | 18,866 |  |  | 1,829,536
Balance (in shares) at Dec. 31, 2022 | 63,518 | 18,125 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Dec. 31, 2022 |  |  | 572 | 500,642 | (130,930) |  |  | 1,378,337 | (4,130) |  |  | 1,744,491 |  |  |  | 1,763,022
Foreign currency translation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (187)
Net income |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 269,948
Balance (in shares) at Sep. 30, 2023 | 62,053 | 17,989 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Sep. 30, 2023 |  |  | 804 | 533,648 | (16,169) |  |  | 1,385,646 | (4,317) |  |  | 1,899,612 | 19,471 |  |  | 1,919,083
Balance (in shares) at Mar. 31, 2023 | 63,225 | 18,463 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Mar. 31, 2023 |  |  | 577 | 512,998 | (156,210) |  |  | 1,457,203 | (3,898) |  |  | 1,810,670 | 18,866 |  |  | 1,829,536
Stock options exercised and stock awards (in shares) | 237 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options exercised and stock awards |  |  | 1 | 3,479 |  |  |  |  |  |  |  | 3,480 |  |  |  | 3,480
Stock-based compensation related to stock options, restricted shares and employee stock purchase plan |  |  |  | 5,952 |  |  |  |  |  |  |  | 5,952 |  |  |  | 5,952
Vesting of restricted share awards |  |  |  | (54) |  |  |  |  |  |  |  | (54) |  |  |  | (54)
Common stock repurchases (in shares) | (890) | (195) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock repurchases |  |  |  |  | (40,305) |  |  |  |  |  |  | (40,305) |  |  |  | (40,305)
Cash dividends declared |  |  |  |  |  | (8,812) | (2,725) |  |  | (8,812) | (2,725) |  |  | (8,812) | (2,725) |
Foreign currency translation |  |  |  |  |  |  |  |  | 1,689 |  |  | 1,689 |  |  |  | 1,689
Net income |  |  |  |  |  |  |  | 98,275 |  |  |  | 98,275 | 249 |  |  | 98,524
Balance (in shares) at Jun. 30, 2023 | 62,572 | 18,268 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Jun. 30, 2023 |  |  | 578 | 522,375 | (196,515) |  |  | 1,543,941 | (2,209) |  |  | 1,868,170 | 19,115 |  |  | 1,887,285
Stock options exercised and stock awards (in shares) | 124 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options exercised and stock awards |  |  | 1 | 1,888 |  |  |  |  |  |  |  | 1,889 |  |  |  | 1,889
Stock-based compensation related to stock options, restricted shares and employee stock purchase plan |  |  |  | 6,265 |  |  |  |  |  |  |  | 6,265 |  |  |  | 6,265
Issuance of common stock under employee stock purchase plan (in shares) | 107 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock under employee stock purchase plan |  |  | 1 | 3,123 |  |  |  |  |  |  |  | 3,124 |  |  |  | 3,124
Common stock repurchases (in shares) | (750) | (279) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock repurchases |  |  |  |  | (44,174) |  |  |  |  |  |  | (44,174) |  |  |  | (44,174)
Cash dividends declared |  |  |  |  |  | $ (10,574) | $ (3,255) |  |  | $ (10,574) | $ (3,255) |  |  | $ (10,574) | $ (3,255) |
Foreign currency translation |  |  |  |  |  |  |  |  | (2,108) |  |  | (2,108) |  |  |  | (2,108)
Net income |  |  |  |  |  |  |  | 80,278 |  |  |  | 80,278 | 356 |  |  | 80,634
Balance (in shares) at Sep. 30, 2023 | 62,053 | 17,989 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Sep. 30, 2023 |  |  | 804 | 533,648 | (16,169) |  |  | 1,385,646 | $ (4,317) |  |  | 1,899,612 | $ 19,471 |  |  | 1,919,083
Retirement of treasury shares and par value adjustment |  |  | 224 | 3 | (224,520) |  |  | 224,744 |  |  |  | 3 |  |  |  | 3
Retirement of treasury shares and par value adjustment |  |  | $ (224) | $ (3) | $ 224,520 |  |  | $ (224,744) |  |  |  | $ (3) |  |  |  | $ (3)

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