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Repurchases of Common Stock - Summary of Share Repurchase Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
May 31, 2022
May 31, 2021
Repurchase of common stock    
Aggregate value of shares $ 18,224 $ 110,074
Stock Compensation Plan    
Repurchase of common stock    
Number of shares (in shares) 89,458 65,644
Aggregate value of shares $ 18,224 $ 14,590
Average price per share (in dollars per share) $ 203.71 $ 222.26
Open Market    
Repurchase of common stock    
Number of shares (in shares) 0 436,842
Aggregate value of shares $ 0 $ 95,484
Average price per share (in dollars per share) $ 0 $ 218.58