Property, Plant and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 27, 2016	Feb. 28, 2015	Mar. 01, 2014
Property, Plant and Equipment
Property, plant and equipment, gross	$ 5,806,876	$ 5,546,174
Accumulated depreciation	(3,551,478)	(3,454,805)
Property, plant and equipment, net	2,255,398	2,091,369
Depreciation expense	322,396	298,523	$ 284,603
Carrying amount of assets to be disposed	3,256	6,317
Land
Property, Plant and Equipment
Property, plant and equipment, gross	221,409	232,785
Buildings
Property, Plant and Equipment
Property, plant and equipment, gross	764,497	761,262
Leasehold improvements
Property, Plant and Equipment
Property, plant and equipment, gross	2,245,307	2,078,974
Equipment
Property, Plant and Equipment
Property, plant and equipment, gross	2,416,316	2,377,481
Software
Property, Plant and Equipment
Property, plant and equipment, gross	6,111
Construction in progress
Property, Plant and Equipment
Property, plant and equipment, gross	$ 153,236	$ 95,672