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Share Repurchase Programs (Tables)
 12 Months Ended
Dec. 31, 2021
Equity [Abstract]  
Summary of Shares of Common Stock Repurchased Under Repurchase Programs The following table summarizes the shares of our common stock that we repurchased on the open market under these repurchase programs during the years ended December 31, 2021, 2020 and 2019, respectively, in thousands, except per share amounts:
Year
Total
Number
of Shares
Purchased
Average
Price
Paid per
Share
Approximate
Dollar Value
of Shares
Purchased
2021497 $100.55 $50,000 
2020445 56.20 25,000 
2019541 51.56 27,899 
Total1,483 $102,899