Fair Value Measurements - Company's Marketable Debt Securities Measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Thousands	Aug. 31, 2024	Aug. 26, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total	$ 122,158	$ 121,513
Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other current assets	38,431	39,639
Other long-term assets	83,727	81,874
Total	122,158	121,513
Level 1 | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other current assets	26,697	35,349
Other long-term assets	27,031	71,028
Total	53,728	106,377
Level 2 | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other current assets	11,734	4,290
Other long-term assets	56,696	10,846
Total	$ 68,430	$ 15,136