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v3.20.4

Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands | Total | Cumulative Effect, Period of Adoption, Adjustment | Common Stock | Additional Paid-in Capital | Retained Earnings | Retained Earnings Cumulative Effect, Period of Adoption, Adjustment | Accumulated Other Comprehensive Loss | Treasury Stock
--- | --- | --- | --- | --- | --- | --- | --- | ---
Balance, beginning of period (in shares) at Dec. 31, 2017 |  |  | 181,286,547 |  |  |  |  |
Balance, beginning of period at Dec. 31, 2017 | $ 1,844,277 | $ 6,024 | $ 1,813 | $ 1,422,808 | $ 1,607,570 | $ 6,024 | $ (500,049) | $ (687,865)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Net income | 531,451 |  |  |  | 531,451 |  |  |
Other comprehensive income (loss), net of tax | (21,287) |  |  |  |  |  | (21,287) |
Dividends ($1.48 per share) | (245,810) |  |  |  | (245,810) |  |  |
Repurchase of common stock | $ (390,606) |  |  |  |  |  |  | (390,606)
Share-based compensation (in shares) | 0 |  | 644,678 |  |  |  |  |
Share-based compensation | $ 49,900 |  | $ 6 | 36,812 |  |  |  | 13,082
Reclassification of certain tax effects |  | 0 |  |  | 108,348 |  | (108,348) |
Balance, end of period (in shares) at Dec. 31, 2018 |  |  | 181,931,225 |  |  |  |  |
Balance, end of period at Dec. 31, 2018 | 1,773,949 |  | $ 1,819 | 1,459,620 | 2,007,583 |  | (629,684) | (1,065,389)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Net income | 423,635 |  |  |  | 423,635 |  |  |
Other comprehensive income (loss), net of tax | 92,735 |  |  |  |  |  | 92,735 |
Dividends ($1.48 per share) | (237,221) |  |  |  | (237,221) |  |  |
Repurchase of common stock | $ (296,520) |  |  |  |  |  |  | (296,520)
Share-based compensation (in shares) | 0 |  | 885,311 |  |  |  |  |
Share-based compensation | $ 47,421 |  | $ 9 | 31,384 |  |  |  | 16,028
Balance, end of period (in shares) at Dec. 31, 2019 |  |  | 182,816,536 |  |  |  |  |
Balance, end of period at Dec. 31, 2019 | 1,803,999 | $ (78,229) | $ 1,828 | 1,491,004 | 2,193,997 | $ (78,229) | (536,949) | (1,345,881)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Net income | 1,298 |  |  |  | 1,298 |  |  |
Other comprehensive income (loss), net of tax | 53,532 |  |  |  |  |  | 53,532 |
Dividends ($1.48 per share) | (68,087) |  |  |  | (68,087) |  |  |
Repurchase of common stock | $ (8,006) |  |  |  |  |  |  | (8,006)
Share-based compensation (in shares) | 0 |  | 686,990 |  |  |  |  |
Share-based compensation | $ 18,278 |  | $ 7 | 16,702 |  |  |  | 1,569
Retirement of treasury stock (in shares) | (15,000,000.0) |  | (15,000,000) |  |  |  |  |
Retirement of treasury stock | $ 0 |  | $ (150) |  | (764,156) |  |  | 764,306
Balance, end of period (in shares) at Dec. 31, 2020 |  |  | 168,503,526 |  |  |  |  |
Balance, end of period at Dec. 31, 2020 | $ 1,722,785 |  | $ 1,685 | $ 1,507,706 | $ 1,284,823 |  | $ (483,417) | $ (588,012)

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