Fair Value Measurements - Company's marketable debt securities measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Thousands	May 07, 2022	Aug. 28, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total	$ 119,409	$ 113,918
Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other current assets	58,262	46,007
Other long-term assets	61,147	67,911
Total	119,409	113,918
Level 1 | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other current assets	57,927	46,007
Other long-term assets	49,213	54,105
Total	107,140	100,112
Level 2 | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other current assets	335
Other long-term assets	11,934	13,806
Total	$ 12,269	$ 13,806