v3.25.2
Stock-Based Compensation (Details) - USD ($)
shares in Millions, $ in Millions
3 Months Ended
Aug. 31, 2025
Aug. 31, 2024
Stock-Based Compensation (Details) - Schedule of stock-based compensation [Line Items]    
Stock-based compensation expense $ 1.9 $ 2.2
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period 0.1 0.1
Stock option expense    
Stock-Based Compensation (Details) - Schedule of stock-based compensation [Line Items]    
Stock-based compensation expense $ 0.3 $ 0.6
Restricted stock unit expense    
Stock-Based Compensation (Details) - Schedule of stock-based compensation [Line Items]    
Stock-based compensation expense 1.5 1.5
Management stock purchase plan    
Stock-Based Compensation (Details) - Schedule of stock-based compensation [Line Items]    
Stock-based compensation expense 0.0 0.0
Employee stock purchase plan    
Stock-Based Compensation (Details) - Schedule of stock-based compensation [Line Items]    
Stock-based compensation expense $ 0.1 $ 0.1