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CAPITAL STOCK (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
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) 71,700,000    
Balance at the end of the year (in shares) 72,500,000 71,700,000  
Cash dividends paid on the common stock $ 114,055 $ 103,683 $ 99,461
Common Shares      
Common stock and treasury stock and the share activity      
Balance at the beginning of the year (in shares) 71,679,658 70,848,810 70,370,812
Restricted stock vestings (in shares) 150,849 150,970 176,535
Balance at the end of the year (in shares) 72,466,548 71,679,658 70,848,810
Common Shares | Employee option exercises      
Common stock and treasury stock and the share activity      
Stock option exercises (in shares) 629,541 679,878 301,463
Common Shares | Director option exercises      
Common stock and treasury stock and the share activity      
Stock option exercises (in shares) 6,500 0 0
Treasury Shares      
Common stock and treasury stock and the share activity      
Balance at the beginning of the year (in shares) 5,775,295 5,555,027 4,852,709
Common stock repurchased (in shares) 432,600 398,594 860,000
Balance at the end of the year (in shares) 6,015,772 5,775,295 5,555,027
Treasury Shares | Employee option exercises      
Common stock and treasury stock and the share activity      
Stock option exercises (in shares) 192,123 178,326 157,682