Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Nov. 24, 2012		Nov. 26, 2011
Consolidated Statements of Income [Abstract]
Net income	$ 30,760		$ 25,802
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	325		(7,398)
Pension benefit liabilities, net (1)	50	[1]	0
Other comprehensive income (loss)	375		(7,398)
Comprehensive income	$ 31,135		$ 18,404

[1] Net of less than $0.1 million of tax expense for the thirteen weeks ended November 24, 2012.