Contingencies and Litigation - Additional Information (Details) - USD ($) $ in Millions	Feb. 28, 2025	Aug. 31, 2024
Standby Letters of Credit [Member]
Commitments and Contingencies Disclosure [Abstract]
Outstanding letters of credit	$ 4.0	$ 4.4
Loss Contingencies [Line Items]
Outstanding letters of credit	4.0	4.4
Surety Bond
Commitments and Contingencies Disclosure [Abstract]
Outstanding letters of credit	3.8	3.8
Loss Contingencies [Line Items]
Outstanding letters of credit	$ 3.8	$ 3.8