Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Feb. 24, 2018	Feb. 25, 2017	Feb. 24, 2018	Feb. 25, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 58,378	$ 22,516	$ 92,584	$ 50,730
Other comprehensive income (loss):
Foreign currency translation adjustments	1,250	3,332	(763)	(1,797)
Pension benefit liabilities	(1,192)	0	(1,192)	0
Change in fair value of derivatives, net of income taxes	(23)	(202)	59	122
Derivative financial instruments reclassified to earnings	10	(27)	14	(103)
Other comprehensive income (loss)	45	3,103	(1,882)	(1,778)
Comprehensive income	$ 58,423	$ 25,619	$ 90,702	$ 48,952