Stock-Based Compensation - Assumptions To Value Stock Options (Detail) - Non-Qualified Stock Options	12 Months Ended
	May 31, 2024	May 31, 2023	May 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividend yield	2.34%	2.33%	2.10%
Expected volatility	42.62%	41.63%	41.62%
Risk-free interest rate	4.04%	3.19%	1.10%
Expected life (years)	6 years	6 years	6 years