Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands		12 Months Ended
		Aug. 26, 2017	Aug. 27, 2016	Aug. 29, 2015
Statement of Comprehensive Income [Abstract]
Net income		$ 70,196	$ 125,026	$ 124,299
Other comprehensive income (loss):
Foreign currency translation adjustments		4,882	(391)	(23,134)
Pension benefit liabilities, net of income taxes	[1]	2,774	(3,532)	525
Change in fair value of derivatives, net of income taxes		(45)	(398)	708
Derivative financial instruments (gain) loss reclassified		(180)	(215)	21
Other comprehensive income (loss)		7,431	(4,536)	(21,880)
Comprehensive income		$ 77,627	$ 120,490	$ 102,419

[1] These amounts are shown net of the effect of income taxes.