Contingencies and Litigation - Additional Information (Details) - USD ($) $ in Millions	Nov. 30, 2025	Aug. 31, 2025
Standby Letters of Credit [Member]
Commitments and Contingencies Disclosure [Abstract]
Outstanding letters of credit	$ 6.6	$ 5.9
Loss Contingencies [Line Items]
Outstanding letters of credit	6.6	5.9
Surety Bond
Commitments and Contingencies Disclosure [Abstract]
Outstanding letters of credit	4.7	4.8
Loss Contingencies [Line Items]
Outstanding letters of credit	$ 4.7	$ 4.8