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Share-Based Compensation Plans - Narrative (Details)
$ / shares in Units, $ in Millions
3 Months Ended
May 31, 2023
USD ($)
$ / shares
shares
Share-based compensation plans  
Expected recognition period for unrecognized share-based compensation 2 years 1 month 6 days
Target achievement for performance condition awards, as a percentage 0.00%
Restricted Stock  
Share-based compensation plans  
Number of awards granted (in shares) 252,522
Unrecognized share-based compensation | $ $ 41.4
Service Condition Awards  
Share-based compensation plans  
Number of awards granted (in shares) 94,807
Grant date fair value of shares granted in period (in dollars per share) | $ / shares $ 110.85
Market Condition Awards  
Share-based compensation plans  
Number of awards granted (in shares) 126,204
Grant date fair value of shares granted in period (in dollars per share) | $ / shares $ 80.50
Performance Condition Awards  
Share-based compensation plans  
Number of awards granted (in shares) 126,318
Grant date fair value of shares granted in period (in dollars per share) | $ / shares $ 110.85