v3.26.1
Commitments and Contingencies - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
May 31, 2026
Feb. 20, 2026
May 31, 2025
Operating Leased Assets [Line Items]      
Gain contingency, unrecorded amount   $ 9.0  
Former gain contingency, recognized in current period $ 2.8    
Insurance settlements receivable 0.6    
Standby Letters of Credit      
Operating Leased Assets [Line Items]      
Open standby letters of credit $ (5.4)   $ (4.0)
Term of debt instrument 1 year