v3.26.1
Stock-Based Compensation - Assumptions To Value Stock Options (Detail) - Non-Qualified Stock Options
12 Months Ended
May 31, 2025
May 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Dividend yield 1.34% 2.34%
Expected volatility 36.90% 42.62%
Risk-free interest rate 3.97% 4.04%
Expected life (years) 6 years 6 years