Fair Value Measurements - Company's Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands	Feb. 11, 2017	Aug. 27, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other current assets	$ 10,865	$ 7,326
Other long-term assets	74,393	91,025
Total	85,258	98,351
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other current assets	10,676	7,326
Other long-term assets	52,338	65,350
Total	63,014	72,676
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other current assets	189
Other long-term assets	22,055	25,675
Total	$ 22,244	$ 25,675