Stock-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Feb. 28, 2025	Feb. 29, 2024	Feb. 28, 2025	Feb. 29, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-qualified stock option, per share weighted average price			$ 44.38
Non-qualified stock option, weighted average grant date fair value, per common share price			$ 16.38
Stock-based compensation expense	$ 2,924	$ 2,602	$ 12,787	$ 13,294
Non-Qualified Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-qualified stock options, granted			54,200
Pre-tax stock-based compensation, period of recognition			3 years
Stock-based compensation expense			$ 888
Service-Based Restricted Common Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax stock-based compensation, period of recognition			3 years
Stock-based compensation expense			$ 13,073
Restricted common shares, granted			291,295
Restricted common shares, fair value per share			$ 44.88
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense			$ 1,868
Restricted common shares, granted			42,100
Pre-tax stock-based compensation, period of recognition			3 years