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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands | Total | Common stock | Paid-in capital | Treasury stock | Accumulated other comprehensive income (loss) | Retained earnings
--- | --- | --- | --- | --- | --- | ---
Balance, beginning of year at Dec. 31, 2021 |  | $ 371,353 | $ 1,794,906 | $ (675,265) | $ 119,697 | $ 3,250,691
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Reissuance of treasury stock, net under share-based compensation plans |  |  | (20,835) | 10,741 |  |
Equity compensation |  |  | 24,771 |  |  |
Purchases of common stock |  |  |  | (385,714) |  |
Other comprehensive income (loss) | $ (601,208) |  |  |  | (601,208) |
Net income | 865,349 |  |  |  |  | 865,349
Cash dividends |  |  |  |  |  | (111,746)
Balance, end of year at Dec. 31, 2022 | 4,642,740 | 371,353 | 1,798,842 | (1,050,238) | (481,511) | 4,004,294
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Conversion of 9% Debentures, net of tax |  |  | (5,315) |  |  |
Reissuance of treasury stock, net under share-based compensation plans |  |  | (17,021) | 9,764 |  |
Equity compensation |  |  | 31,607 |  |  |
Purchases of common stock | (340,600) |  |  | (343,819) |  |
Other comprehensive income (loss) | 165,230 |  |  |  | 165,230 |
Net income | 712,949 |  |  |  |  | 712,949
Cash dividends |  |  |  |  |  | (124,118)
Balance, end of year at Dec. 31, 2023 | 5,072,017 | 371,353 | 1,808,113 | (1,384,293) | (316,281) | 4,593,125
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Retirement of treasury stock |  | (119,053) |  | 1,847,265 |  | (1,728,212)
Purchases of common stock | (566,600) | (3,851) |  |  |  | (93,013)
Reissuance of treasury stock, net under share-based compensation plans |  |  | (31,201) | 12,135 |  |
Equity compensation |  |  | 31,324 |  |  |
Purchases of common stock |  |  |  | (475,107) |  |
Other comprehensive income (loss) | 28,119 |  |  |  | 28,119 |
Net income | 762,994 |  |  |  |  | 762,994
Cash dividends |  |  |  |  |  | (131,042)
Balance, end of year at Dec. 31, 2024 | $ 5,172,375 | $ 248,449 | $ 1,808,236 | $ 0 | $ (288,162) | $ 3,403,852

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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration