Share-Based Compensation Plans - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	6 Months Ended
	May 31, 2023	Aug. 31, 2023
Share-based compensation plans
Expected recognition period for unrecognized share-based compensation		2 years
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		$ 32.9
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)	$ 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)	$ 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)	$ 110.85