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Share-Based Compensation Plans - Summary of Shares Available for Issue (Details) - shares
12 Months Ended
Feb. 28, 2022
Aug. 22, 2018
Minimum    
Share-based compensation plans    
Incremental shares issuable based on achievement of plan target, as a percentage 100.00%  
The 2018 Plan    
Share-based compensation plans    
Shares originally authorized (in shares)   2,000,000
Less share awards issued (in shares) (12,911)  
Plus forfeitures (in shares) 147,853  
Shares available for issuance (in shares) 1,241,269  
The 2018 Plan | Restricted Stock Units (RSU)    
Share-based compensation plans    
Less awards issued and issuable upon vesting (in shares) (612,312)  
The 2018 Plan | Performance Stock Awards    
Share-based compensation plans    
Less awards issued and issuable upon vesting (in shares) (281,361)  
The 2018 Plan | Performance Stock Awards | Maximum    
Share-based compensation plans    
Incremental shares issuable based on achievement of plan target, as a percentage 200.00%