v3.25.3
BASIS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Changes in Stockholders Equity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Sep. 30, 2025
Sep. 30, 2024
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Beginning Balance (in shares)     (41,262,901)       (41,262,901)  
Beginning Balance $ 668,673 $ 654,448 $ 650,281 $ 581,853 $ 585,090 $ 591,331 $ 650,281 $ 591,331
Cash Dividends (5,335) (5,418) (5,465) (5,202) (5,275) (5,337)    
Stock-Based Compensation 7,107 6,646 7,806 7,934 7,335 6,689    
Reissued Shares (9) 408 (6,724) (381) (1,995) (5,069)    
Repurchased Shares   (25,894) (26,168) (37,359) (37,076) (24,490)    
Net Earnings $ 33,121 38,483 34,718 83,962 33,774 21,966 $ 106,322 139,702
Ending Balance (in shares) (42,533,061)           (42,533,061)  
Ending Balance $ 703,557 $ 668,673 $ 654,448 $ 630,807 $ 581,853 $ 585,090 $ 703,557 $ 630,807
Cash Dividends, per share (in dollars per share) $ 0.13 $ 0.13 $ 0.13 $ 0.12 $ 0.12 $ 0.12 $ 0.39 $ 0.36
Treasury Stock                
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Beginning Balance (in shares) (42,535,000) (41,725,000) (41,263,000) (39,763,000) (38,905,000) (38,405,000) (41,263,000) (38,405,000)
Beginning Balance $ (1,253,841) $ (1,230,576) $ (1,218,746) $ (1,144,939) $ (1,112,301) $ (1,095,202) $ (1,218,746) $ (1,095,202)
Reissued Shares (in shares) 2,000 90,000 474,000 38,000 172,000 281,000    
Reissued Shares $ 60 $ 2,629 $ 14,338 $ 964 $ 4,438 $ 7,391    
Repurchased Shares (in shares)   (900,000) (936,000) (810,000) (1,030,000) (781,000)    
Repurchased Shares   $ (25,894) $ (26,168) $ (37,359) $ (37,076) $ (24,490)    
Ending Balance (in shares) (42,533,000) (42,535,000) (41,725,000) (40,535,000) (39,763,000) (38,905,000) (42,533,000) (40,535,000)
Ending Balance $ (1,253,781) $ (1,253,841) $ (1,230,576) $ (1,181,334) $ (1,144,939) $ (1,112,301) $ (1,253,781) $ (1,181,334)
Common Stock                
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Beginning Balance $ 41,039 $ 41,039 $ 41,039 $ 41,039 $ 41,039 $ 41,039 $ 41,039 $ 41,039
Beginning Balance (in shares) 82,079,000 82,079,000 82,079,000 82,079,000 82,079,000 82,079,000 82,079,000 82,079,000
Ending Balance $ 41,039 $ 41,039 $ 41,039 $ 41,039 $ 41,039 $ 41,039 $ 41,039 $ 41,039
Ending Balance (in shares) 82,079,000 82,079,000 82,079,000 82,079,000 82,079,000 82,079,000 82,079,000 82,079,000
Additional Paid-in Capital                
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Beginning Balance $ 349,707 $ 345,282 $ 358,538 $ 347,552 $ 346,650 $ 352,421 $ 358,538 $ 352,421
Stock-Based Compensation 7,107 6,646 7,806 7,934 7,335 6,689    
Reissued Shares (69) (2,221) (21,062) (1,345) (6,433) (12,460)    
Ending Balance 356,745 349,707 345,282 354,141 347,552 346,650 356,745 354,141
Retained Earnings                
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Beginning Balance 1,531,768 1,498,703 1,469,450 1,338,201 1,309,702 1,293,073 1,469,450 1,293,073
Cash Dividends (5,335) (5,418) (5,465) (5,202) (5,275) (5,337)    
Net Earnings 33,121 38,483 34,718 83,962 33,774 21,966    
Ending Balance $ 1,559,554 $ 1,531,768 $ 1,498,703 $ 1,416,961 $ 1,338,201 $ 1,309,702 $ 1,559,554 $ 1,416,961