Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Nov. 25, 2011	Nov. 26, 2010	Nov. 25, 2011	Nov. 26, 2010	Nov. 23, 2012
Income Taxes (Textuals) [Abstract]
Effective tax rate	31.80%	37.60%	36.20%	40.20%
Unrecognized tax benefits	$ 32.2		$ 32.2
Income tax expenses affected by unrecognized tax benefits if recognized	21.4		21.4
Change in unrecognized tax benefits	11.1				(13.9)
Recognized interest and penalties expenses on unrecognized tax benefits			4.0
Recognized interest and penalties accrued on unrecognized tax benefits	$ 8.5		$ 8.5
Open tax years by major tax jurisdiction			The Corporation is subject to examination by the U.S. Internal Revenue Service and various U.S. state and local jurisdictions for tax years 1996 to the present. The Corporation is also subject to tax examination in various international tax jurisdictions, including Canada, the United Kingdom, Australia, France, Italy, Mexico and New Zealand for tax years 2006 to the present.