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Fair Value Measurements - Additional Information (Detail) - Fair Value, Measurements, Recurring - USD ($) $ in Millions	Aug. 30, 2025	Aug. 31, 2024
Other current assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments in various mutual and money market funds, fair value	$ 2.7	$ 3.1
Other long-term assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments in various mutual and money market funds, fair value	68.2	62.3
Accrued expenses
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation liabilities, fair value	2.7	3.1
Other long-term liabilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation liabilities, fair value	$ 68.2	$ 62.3

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