Stock-Based Compensation - Schedule of Service-Based Restricted Common Shares Granted (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	May 31, 2024	May 31, 2023	May 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation	$ 16,688	$ 19,178	$ 16,100
Service-Based Restricted Common Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted	218	358	192
Weighted average grant date fair value, per common share	$ 64.45	$ 49.89	$ 57.19
Stock-based compensation	$ 14,046	$ 17,884	$ 10,993