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CONDENSED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands | Total | Common Stock [Member] | Additional Paid-in Capital [Member] | Accumulated Other Comprehensive Income, Net [Member] | Retained Earnings [Member] | Treasury Stock [Member] | Noncontrolling Interests [Member]
--- | --- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2022 | $ 3,045,168 | $ 6,547 | $ 859,345 | $ 16,853 | $ 2,468,730 | $ (308,598) | $ 2,291
Beginning balance (in shares) at Dec. 31, 2022 |  | 65,472,000 |  |  |  | (5,565,000) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Stock option exercises | 3,431 |  | 357 |  |  | $ 3,074 |
Stock option exercises (in shares) |  |  |  |  |  | 61,000 |
Issuance of stock for equity awards, net of forfeitures |  |  | (10,084) |  |  | $ 10,084 |
Issuance of stock for equity awards, net of forfeitures (in shares) |  |  |  |  |  | 182,000 |
Tax withholdings on equity award vesting | (3,598) |  |  |  |  | $ (3,598) |
Tax withholdings on equity award vesting (in shares) |  |  |  |  |  | (55,000) |
Amortization of share-based compensation | 12,310 |  | 12,310 |  |  |  |
Treasury stock purchases | (60,910) |  |  |  |  | $ (60,910) |
Treasury stock purchases (in shares) |  |  |  |  |  | (812,000) |
Excise taxes on treasury stock purchases | (472) |  |  |  |  | $ (472) |
Total comprehensive income, net of taxes | 163,168 |  |  | 2,225 | 161,029 |  | (86)
Return of investment to noncontrolling interests | (1,015) |  |  |  |  |  | (1,015)
Ending balance at Sep. 30, 2023 | 3,158,082 | $ 6,547 | 861,928 | 19,078 | 2,629,759 | $ (360,420) | 1,190
Ending balance (in shares) at Sep. 30, 2023 |  | 65,472,000 |  |  |  | (6,189,000) |
Beginning balance at Jun. 30, 2023 | 3,112,809 | $ 6,547 | 857,965 | 18,996 | 2,566,795 | $ (339,659) | 2,165
Beginning balance (in shares) at Jun. 30, 2023 |  | 65,472,000 |  |  |  | (5,946,000) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Stock option exercises | 3,313 |  | 574 |  |  | $ 2,739 |
Stock option exercises (in shares) |  |  |  |  |  | 48,000 |
Issuance of stock for equity awards, net of forfeitures |  |  | (9) |  |  | $ 9 |
Issuance of stock for equity awards, net of forfeitures (in shares) |  |  |  |  |  | 0 |
Tax withholdings on equity award vesting | (2) |  |  |  |  | $ (2) |
Amortization of share-based compensation | 3,398 |  | 3,398 |  |  |  |
Treasury stock purchases | (23,310) |  |  |  |  | $ (23,310) |
Treasury stock purchases (in shares) |  |  |  |  |  | (291,000) |
Excise taxes on treasury stock purchases | (197) |  |  |  |  | $ (197) |
Total comprehensive income, net of taxes | 63,086 |  |  | 82 | 62,964 |  | 40
Return of investment to noncontrolling interests | (1,015) |  |  |  |  |  | (1,015)
Ending balance at Sep. 30, 2023 | 3,158,082 | $ 6,547 | 861,928 | 19,078 | 2,629,759 | $ (360,420) | 1,190
Ending balance (in shares) at Sep. 30, 2023 |  | 65,472,000 |  |  |  | (6,189,000) |
Beginning balance at Dec. 31, 2023 | 3,186,677 | $ 6,547 | 863,963 | 35,006 | 2,691,665 | $ (411,750) | 1,246
Beginning balance (in shares) at Dec. 31, 2023 |  | 65,472,000 |  |  |  | (6,843,000) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Stock option exercises | 8,375 |  | 1,750 |  |  | $ 6,625 |
Stock option exercises (in shares) |  |  |  |  |  | 113,000 |
Issuance of stock for equity awards, net of forfeitures |  |  | (12,577) |  |  | $ 12,577 |
Issuance of stock for equity awards, net of forfeitures (in shares) |  |  |  |  |  | 208,000 |
Tax withholdings on equity award vesting | (5,356) |  |  |  |  | $ (5,356) |
Tax withholdings on equity award vesting (in shares) |  |  |  |  |  | (68,000) |
Amortization of share-based compensation | 12,837 |  | 12,837 |  |  |  |
Treasury stock purchases | (141,272) |  |  |  |  | $ (141,272) |
Treasury stock purchases (in shares) |  |  |  |  |  | (1,354,000) |
Excise taxes on treasury stock purchases | (1,191) |  |  |  |  | $ (1,191) |
Total comprehensive income, net of taxes | 243,540 |  |  | (388) | 243,890 |  | 38
Ending balance at Sep. 30, 2024 | 3,303,610 | $ 6,547 | 865,973 | 34,618 | 2,935,555 | $ (540,367) | 1,284
Ending balance (in shares) at Sep. 30, 2024 |  | 65,472,000 |  |  |  | (7,944,000) |
Beginning balance at Jun. 30, 2024 | 3,262,678 | $ 6,547 | 862,258 | 35,124 | 2,845,587 | $ (488,059) | 1,221
Beginning balance (in shares) at Jun. 30, 2024 |  | 65,472,000 |  |  |  | (7,520,000) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Stock option exercises | 4,280 |  | 316 |  |  | $ 3,964 |
Stock option exercises (in shares) |  |  |  |  |  | 59,000 |
Issuance of stock for equity awards, net of forfeitures |  |  | (39) |  |  | $ 39 |
Issuance of stock for equity awards, net of forfeitures (in shares) |  |  |  |  |  | 1,000 |
Tax withholdings on equity award vesting | (17) |  |  |  |  | $ (17) |
Tax withholdings on equity award vesting (in shares) |  |  |  |  |  | (1,000) |
Amortization of share-based compensation | 3,438 |  | 3,438 |  |  |  |
Treasury stock purchases | (55,806) |  |  |  |  | $ (55,806) |
Treasury stock purchases (in shares) |  |  |  |  |  | (483,000) |
Excise taxes on treasury stock purchases | (488) |  |  |  |  | $ (488) |
Total comprehensive income, net of taxes | 89,525 |  |  | (506) | 89,968 | 0 | 63
Ending balance at Sep. 30, 2024 | $ 3,303,610 | $ 6,547 | $ 865,973 | $ 34,618 | $ 2,935,555 | $ (540,367) | $ 1,284
Ending balance (in shares) at Sep. 30, 2024 |  | 65,472,000 |  |  |  | (7,944,000) |

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