Debt - Additional Information (Detail) $ in Thousands		12 Months Ended
	Sep. 09, 2022 USD ($)	Aug. 31, 2025 USD ($)	Aug. 31, 2024 USD ($)	Aug. 31, 2023 USD ($)
Debt Instrument [Line Items]
Cash interest payments		$ 8,800	$ 12,400	$ 10,600
Long-term Debt, net		182,168	189,503
Senior Credit Facilty	$ 600,000
Long-term Debt		190,000	195,000
Minimum
Debt Instrument [Line Items]
Percentage of non-use fee, annually	0.15%
Maximum
Debt Instrument [Line Items]
Percentage of non-use fee, annually	0.30%
Senior Credit Facility - Term Loan
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 200,000
Senior credit facility expansion option, available	$ 300,000
Senior Credit Facility - Term Loan | Minimum
Debt Instrument [Line Items]
Leverage ratio	1.00
Adjusted Leverage Ratio	1.00
Interest Coverage Ratio	100.00%
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]	Secured Overnight Financing Rate (SOFR) [Member]
Senior Credit Facility - Term Loan | Maximum
Debt Instrument [Line Items]
Leverage ratio	3.75
Adjusted Leverage Ratio	4.25
Interest Coverage Ratio	300.00%
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]	Secured Overnight Financing Rate (SOFR) [Member]
Senior Credit Facility - Revolver
Debt Instrument [Line Items]
Unused credit line		399,200
Outstanding letters of credit		(800)
Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 400,000
Long-term Debt		$ 0	$ 0