Accumulated Other Comprehensive Loss (Details) (USD $) In Thousands	12 Months Ended
	Aug. 27, 2011	Aug. 28, 2010	Aug. 29, 2009
Changes in accumulated other comprehensive loss
Pension Liability Adjustments, net of taxes, Beginning balance	$ 59,359	$ 51,215
Pension liability adjustments, Fiscal year	17,346	8,144
Pension Liability Adjustments, net of taxes, Ending balance	76,705	59,359	51,215
Foreign Currency Translation Adjustments, Beginning Balance	44,748	45,453
Foreign currency translation adjustment, Fiscal year	(8,347)	(705)	43,655
Foreign Currency Translation Adjustments, Ending Balance	36,401	44,748	45,453
Unrealized Loss (Gain) on Marketable Securities, net of taxes, Beginning Balance	(650)	(754)
Unrealized gain adjustment on marketable securities net of taxes, Fiscal year	171	104	(568)
Unrealized Loss (Gain) on Marketable Securities, net of taxes, Ending Balance	(479)	(650)	(754)
Net Derivative Activity, net of taxes, Beginning Balance	3,011	(3,879)
Net Derivative Activity, net of taxes	4,053	6,890
Net Derivative Activity, net of taxes, Ending Balance	7,064	3,011	(3,879)
Accumulated Other Comprehensive Loss, Beginning balance	106,468	92,035
Accumulated Other Comprehensive Loss, Fiscal year	13,223	14,433
Accumulated Other Comprehensive Loss, Ending balance	$ 119,691	$ 106,468	$ 92,035