Leases - Net Book Value (Details) - USD ($) $ in Thousands	Mar. 03, 2018	Mar. 04, 2017
Net book values of assets under capital leases and sale-leasebacks
Accumulated depreciation	$ (78,637)	$ (84,333)
Net value	36,058	36,134
Capital leases
Obligations under financing leases	51,446	52,418
Sale-leaseback obligations		2,405
Less current obligation	(20,671)	(17,619)
Lease financing obligations, less current maturities	30,775	37,204
Minimum payments for Lease Financing Obligations
2019	24,571
2020	9,732
2021	4,642
2022	4,420
2023	4,214
Later years	21,992
Total minimum lease payments	69,571
Amount representing interest	(18,125)
Present value of minimum lease payments	51,446
Minimum payments for Operating Leases
2019	674,739
2020	609,830
2021	528,370
2022	462,222
2023	407,226
Later years	1,782,987
Total minimum lease payments	4,465,374
Land
Net book values of assets under capital leases and sale-leasebacks
Gross value	3,458	3,760
Buildings
Net book values of assets under capital leases and sale-leasebacks
Gross value	86,012	84,796
Leasehold improvements
Net book values of assets under capital leases and sale-leasebacks
Gross value		1,258
Equipment
Net book values of assets under capital leases and sale-leasebacks
Gross value	$ 25,225	$ 30,653