Contingencies and Litigation - Additional Information (Details) - USD ($) $ in Millions	Feb. 28, 2026	Aug. 31, 2025
Standby Letters of Credit [Member]
Commitments and Contingencies Disclosure [Abstract]
Outstanding letters of credit	$ 7.4	$ 5.9
Loss Contingencies [Line Items]
Outstanding letters of credit	7.4	5.9
Surety Bond
Commitments and Contingencies Disclosure [Abstract]
Outstanding letters of credit	4.8	4.8
Loss Contingencies [Line Items]
Outstanding letters of credit	$ 4.8	$ 4.8