Accrued Expenses and Other - Additional Information (Detail) $ in Millions	12 Months Ended
	Aug. 29, 2020 USD ($)
Workers Compensation
Maximum limits per claim for self-insured plan, per annum	$ 2.0
Auto Liability
Maximum limits per claim for self-insured plan, per annum	5.0
Property
Maximum limits per claim for self-insured plan, per annum	21.5
Employee Health
Maximum limits per claim for self-insured plan, per annum	0.7
General Products Liability And Vehicle
Maximum limits per claim for self-insured plan, per annum	$ 1.0