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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
Accounting Standards Update [Extensible List] Accounting Standards Update 2016-13 [Member]            
Beginning balance (in shares) at Dec. 31, 2018     53,116,485        
Beginning balance at Dec. 31, 2018 $ 2,536,568   $ 26,559 $ 1,084,391 $ 2,337,252   $ (911,634)
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Comprehensive income (loss) 50,733       (24,410)   75,143
Common stock dividends declared and paid (117,349)       (117,349)    
Common stock issued under employee stock option and stock purchase plans and other (in shares)     633,261        
Common stock issued under employee stock option and stock purchase plans and other $ 8,216   $ 316 7,900      
Common stock repurchases ( in shares) (471,430)   (471,430)        
Common stock repurchases $ (27,686)   $ (236) (9,470) (17,980)    
Share-based compensation 25,828     25,828      
Ending balance (in shares) at Dec. 31, 2019     53,278,316        
Ending balance at Dec. 31, 2019 2,476,310 $ (5,077) $ 26,639 1,108,649 2,177,513 $ (5,077) (836,491)
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Comprehensive income (loss) (102,964)       (122,250)   19,286
Common stock dividends declared and paid (121,292)       (121,292)    
Common stock issued under employee stock option and stock purchase plans and other (in shares)     1,090,715        
Common stock issued under employee stock option and stock purchase plans and other $ 7,806   $ 545 7,261      
Common stock repurchases ( in shares) (636,998)   (636,998)        
Common stock repurchases $ (29,219)   $ (318) (12,949) (15,952)    
Share-based compensation $ 29,993     29,993      
Ending balance (in shares) at Dec. 31, 2020 53,732,033   53,732,033        
Ending balance at Dec. 31, 2020 $ 2,255,557   $ 26,866 1,132,954 1,912,942   (817,205)
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Comprehensive income (loss) 647,005       519,041   127,964
Common stock dividends declared and paid (125,365)       (125,365)    
Common stock issued under employee stock option and stock purchase plans and other (in shares)     792,297        
Common stock issued under employee stock option and stock purchase plans and other $ 29,966   $ 398 29,568      
Common stock repurchases ( in shares) (735,294)   (735,294)        
Common stock repurchases $ (56,217)   $ (368) (15,188) (40,661)    
Share-based compensation $ 47,000     47,000      
Ending balance (in shares) at Dec. 31, 2021 53,789,036   53,789,036        
Ending balance at Dec. 31, 2021 $ 2,797,946   $ 26,896 $ 1,194,334 $ 2,265,957   $ (689,241)