Summary of Significant Accounting Policies (Details 3)	12 Months Ended
	Mar. 03, 2012 Y
Building [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives, minimum (in years)	25
Estimated useful lives, maximum (in years)	50
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives, minimum (in years)	3
Estimated useful lives, maximum (in years)	25
Fixtures and equipment
Property, Plant and Equipment [Line Items]
Estimated useful lives, minimum (in years)	3
Estimated useful lives, maximum (in years)	20
Assets Held under Capital Leases [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives, minimum (in years)	2
Estimated useful lives, maximum (in years)	20