Stock-Based Compensation - Performance Shares Granted (Detail) - Performance Shares - 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]
Granted	116	118	67
Weighted average grant date fair value, per common share	$ 52.36	$ 43.4	$ 52.22
Pre-tax stock-based compensation	$ 6,093	$ 5,101	$ 3,511