Accrued Expenses and Other - Additional Information (Detail)	12 Months Ended
	Aug. 27, 2016 USD ($)
Workers' Compensation and Property [Member]
Loss Contingencies [Line Items]
Maximum limits per claim for self-insured plan, per annum	$ 1,500,000
Employee Health [Member]
Loss Contingencies [Line Items]
Maximum limits per claim for self-insured plan, per annum	700,000
General and Products Liability [Member]
Loss Contingencies [Line Items]
Maximum limits per claim for self-insured plan, per annum	1,000,000
Vehicles [Member]
Loss Contingencies [Line Items]
Maximum limits per claim for self-insured plan, per annum	$ 2,000,000