Fair Value Measurements - Company's Marketable Debt Securities Measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Thousands	Feb. 15, 2025	Aug. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total	$ 122,188	$ 122,158
Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other current assets	28,814	38,431
Other long-term assets	93,374	83,727
Total	122,188	122,158
Level 1 | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other current assets	18,676	26,697
Other long-term assets	40,084	27,031
Total	58,760	53,728
Level 2 | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other current assets	10,138	11,734
Other long-term assets	53,290	56,696
Total	$ 63,428	$ 68,430