Interest Expense - Net Interest Expense (Detail) - USD ($) $ in Thousands	12 Months Ended
	Aug. 26, 2017	Aug. 27, 2016	Aug. 29, 2015
Other Income and Expenses [Abstract]
Interest expense	$ 159,329	$ 150,961	$ 153,007
Interest income	(3,502)	(2,371)	(1,605)
Capitalized interest	(1,247)	(909)	(963)
Net Interest Expense	$ 154,580	$ 147,681	$ 150,439