Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 26, 2011	Aug. 27, 2010	Feb. 29, 2012	Aug. 26, 2011	Aug. 27, 2010	Feb. 28, 2011
Income Taxes (Textuals) [Abstract]
Effective tax rate	42.00%	49.90%		37.90%	42.10%
Unrecognized tax benefits						$ 43.3
Income tax expenses affected by unrecognized tax benefits if recognized						32.8
Change in unrecognized tax benefits			(9.5)
Recognized interest and penalties expenses on unrecognized tax benefits				3.1
Recognized interest and penalties accrued on unrecognized tax benefits	$ 20.0			$ 20.0
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.