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Stock and Stock-Based Incentive Plans (Composition of Share-Based Compensation Expense - By Grant Type) (Details) - USD ($)
$ in Thousands
 3 Months Ended
May 31, 2022
May 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based compensation expense, before income taxes $ 23,184 $ 41,857
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 107,100  
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition 2 years 2 months 12 days  
Stock options    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based compensation expense, before income taxes $ 11,212 11,821
Cash-settled restricted stock units (RSUs)    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based compensation expense, before income taxes 849 20,972
Stock-settled market stock units (MSUs)    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based compensation expense, before income taxes 5,347 4,845
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 24,500  
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition 1 year 9 months 18 days  
Stock-settled performance stock units (PSUs)    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based compensation expense, before income taxes $ 4,691 3,394
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 4,400  
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition 2 years 3 months 18 days  
Restricted Stock [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based compensation expense, before income taxes $ 344 42
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 1,400  
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition 1 year  
Employee stock purchase plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based compensation expense, before income taxes $ 741 783
Other share-based incentives    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based compensation expense, before income taxes 5,776 $ 4,219
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 5,800  
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition 2 years  
Equity Option [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 76,800  
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition 2 years 4 months 24 days