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Shareholders' Equity - Additional Information (Details) - USD ($)
3 Months Ended
Oct. 19, 2021
Aug. 18, 2021
May 19, 2021
Feb. 17, 2021
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2020
Accelerated Share Repurchases [Line Items]                      
Treasury stock shares (in shares)         18,497,000           16,685,000
Fair value of common stock repurchased         $ 673,902,000           $ 591,338,000
Business combination, shares issued             106,586        
Business combination, total value             $ 4,900,000        
Cash dividends paid   $ 0.0925 $ 0.0925 $ 0.0925 $ 0.0925 $ 0.0925 $ 0.0925 $ 0.085 $ 0.085 $ 0.085  
Dividend paid   $ 26,100,000 $ 26,100,000 $ 26,100,000 $ 26,126,000 $ 26,063,000 $ 26,092,000 $ 24,089,000 $ 24,084,000 $ 23,902,000  
Dividend payable per share $ 0.1025                    
Subsequent Event                      
Accelerated Share Repurchases [Line Items]                      
Dividend payable, record date Nov. 03, 2021                    
Dividend payable date Nov. 17, 2021                    
Second Accelerated Share Repurchase Agreement | Maximum                      
Accelerated Share Repurchases [Line Items]                      
Shares repurchased, authorized amount         $ 100,000,000.0            
Accelerated Share Repurchase Agreement                      
Accelerated Share Repurchases [Line Items]                      
Treasury stock shares (in shares)         21,795 232,243 1,557,815        
Fair value of common stock repurchased         $ 1,100,000 $ 11,400,000 $ 70,000,000.0        
Treasury stock, average cost per share         $ 52.26 $ 49.11 $ 44.95        
Stock repurchase program, remaining authorized repurchase amount         $ 323,600,000