Subsequent Events (Details) (USD $)	3 Months Ended								12 Months Ended
	Nov. 25, 2012	Aug. 26, 2012	May 27, 2012	Feb. 26, 2012	Nov. 27, 2011	Aug. 28, 2011	May 29, 2011	Feb. 27, 2011	Nov. 25, 2012	Nov. 27, 2011	Nov. 28, 2010
Income Tax Contingency [Line Items]
Income tax expense (benefit)	$ 5,140,000	$ 23,802,000	$ 2,467,000	$ 23,513,000	$ 25,278,000	$ 13,612,000	$ 9,944,000	$ 18,881,000	$ 54,922,000	$ 67,715,000	$ 86,152,000
Decrease in unrecognized tax benefit from settlements with taxing authorities									83,852,000	1,676,000
State and local jurisdiction [Member]
Income Tax Contingency [Line Items]
Income tax expense (benefit)									(27,000,000)
Subsequent event [Member] | State and local jurisdiction [Member]
Income Tax Contingency [Line Items]
Cash refund from taxing authority	$ 29,000,000								$ 29,000,000