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CAPITAL STOCK (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Class of Stock [Line Items] |  |  |
Authorized common stock (in shares) | 199,000,000 | 199,000,000 |
Common stock and treasury stock and the share activity |  |  |
Balance at the beginning of the year (in shares) | 70,400,000 |  |
Balance at the end of the year (in shares) | 70,800,000 | 70,400,000 |
Cash dividends paid on the common stock | $ 99,461 | $ 98,509 | $ 92,658
Common Shares |  |  |
Common stock and treasury stock and the share activity |  |  |
Balance at the beginning of the year (in shares) | 70,370,812 | 69,516,805 | 68,608,508
Restricted stock vestings (in shares) | 176,535 | 171,935 | 79,700
Balance at the end of the year (in shares) | 70,848,810 | 70,370,812 | 69,516,805
Common Shares | Employee option exercises |  |  |
Common stock and treasury stock and the share activity |  |  |
Stock option exercises (in shares) | 301,463 | 634,572 | 802,046
Common Shares | Director option exercises |  |  |
Common stock and treasury stock and the share activity |  |  |
Stock option exercises (in shares) | 0 | 47,500 | 26,551
Treasury Stock |  |  |
Common stock and treasury stock and the share activity |  |  |
Balance at the beginning of the year (in shares) | 4,852,709 | 4,528,051 | 4,836,027
Common stock repurchased (in shares) | 860,000 | 614,974 | 0
Balance at the end of the year (in shares) | 5,555,027 | 4,852,709 | 4,528,051
Treasury Stock | Employee option exercises |  |  |
Common stock and treasury stock and the share activity |  |  |
Stock option exercises (in shares) | 157,682 | 290,316 | 307,976

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