Consolidated Statement of Equity - USD ($) shares in Thousands, $ in Thousands |
Total |
Common Stock |
Treasury Stock |
Capital in Excess of Par Value |
Accumulated Deficit(1) |
Accumulated Other Comprehensive Income |
Noncontrolling Interest |
|---|---|---|---|---|---|---|---|
| Balance at beginning of period at Dec. 31, 2016 | $ 1,095,247 | $ 195,403 | $ (5,998) | $ 990,203 | $ (103,387) | $ 16,492 | $ 2,534 |
| Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward] | |||||||
| Comprehensive income | 572,309 | 0 | 0 | 0 | 546,663 | 25,451 | 195 |
| Dividends declared on common stock | (108,750) | 0 | 0 | (37,011) | (71,739) | 0 | 0 |
| Stock option exercises | 33,611 | 2,759 | 0 | 30,852 | 0 | 0 | 0 |
| Restricted stock awards, net of forfeitures | 0 | 209 | (2) | (207) | 0 | 0 | 0 |
| Employee share-based compensation earned | 14,788 | 0 | |||||
| Purchase of Company common stock | (199,637) | 0 | 14,788 | 0 | 0 | 0 | |
| Purchase of noncontrolling interest | (4,580) | 0 | (6,211) | (32,253) | (161,173) | 0 | 0 |
| Acquisition | 0 | 0 | (2,258) | 0 | 0 | (2,322) | |
| Noncontrolling interest payments | $ (360) | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ (360) |
| Retirement of treasury shares | 0 | (6,890) | (6,890) | 0 | 0 | 0 | 0 |
| Other | $ 6,809 | $ 455 | $ 0 | $ 6,354 | $ 0 | $ 0 | $ 0 |
| Balance at end of period at Dec. 31, 2017 | 1,409,437 | 191,936 | (5,321) | 970,468 | 210,364 | 41,943 | 47 |
| Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward] | |||||||
| Comprehensive income | 419,080 | 0 | 0 | 0 | 447,208 | (28,319) | 191 |
| Dividends declared on common stock | (123,849) | 0 | 0 | 0 | (123,849) | 0 | 0 |
| Stock option exercises | 24,517 | 1,802 | 0 | 22,715 | 0 | 0 | 0 |
| Restricted stock awards, net of forfeitures | 0 | 178 | 0 | (178) | 0 | 0 | 0 |
| Employee share-based compensation earned | 15,626 | 0 | 0 | 15,626 | 0 | 0 | 0 |
| Purchase of Company common stock | (277,611) | 0 | (7,348) | (38,404) | (231,859) | 0 | 0 |
| Noncontrolling interest payments | $ (326) | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ (326) |
| Retirement of treasury shares | 0 | (9,419) | (9,419) | 0 | 0 | 0 | 0 |
| Other | $ 2,709 | $ 224 | $ 0 | $ 2,483 | $ 2 | $ 0 | $ 0 |
| Balance at end of period at Dec. 31, 2018 | 1,641,815 | 184,721 | (3,250) | 972,710 | 474,327 | 13,395 | (88) |
| Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward] | |||||||
| Cumulative Effect of New Accounting Principle in Period of Adoption | 172,232 | 0 | 0 | 0 | 172,461 | (229) | 0 |
| Comprehensive income | 386,241 | 0 | 0 | 0 | 369,596 | 16,469 | 176 |
| Dividends declared on common stock | (131,402) | 0 | 0 | 0 | (131,402) | 0 | 0 |
| Stock option exercises | 40,922 | 2,394 | 0 | 38,528 | 0 | 0 | 0 |
| Restricted stock awards, net of forfeitures | 0 | 126 | 0 | (126) | 0 | 0 | 0 |
| Employee share-based compensation earned | 15,029 | 0 | 0 | 15,029 | 0 | 0 | 0 |
| Purchase of Company common stock | (129,589) | 0 | (2,909) | (16,062) | (110,618) | 0 | 0 |
| Noncontrolling interest payments | $ (146) | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 146 |
| Retirement of treasury shares | 0 | (2,243) | (2,243) | 0 | 0 | 0 | 0 |
| Other | $ 385 | $ 103 | $ 0 | $ 282 | $ 0 | $ 0 | $ 0 |
| Balance at end of period at Dec. 31, 2019 | $ 1,823,255 | $ 185,101 | $ (3,916) | $ 1,010,361 | $ 601,903 | $ 29,864 | $ (58) |