Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Aug. 29, 2015	Aug. 30, 2014	Aug. 31, 2013
Statement of Comprehensive Income [Abstract]
Pension liability adjustments, taxes	$ 4,638	$ 8,287	$ 27,972
Unrealized (losses) gains on marketable securities, taxes	55	54	202
Net derivative activities, taxes	$ 68	$ 87	$ 440