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Asset Sale to WBA - Carrying amount of assets sold (Details) - USD ($) $ in Thousands	Mar. 02, 2019	Mar. 03, 2018	Mar. 04, 2017
Current assets held for sale
Current assets held for sale	$ 117,581	$ 438,137
Current liabilities held for sale
Current liabilities held for sale		560,205
Noncurrent liabilities held for sale
Goodwill	1,108,136	1,421,120	$ 1,682,847
Amounts reclassified as current and noncurrent liabilities held for sale in connection with the Sale, Debt		549,549
Assets under Retail Pharmacy to be Sold \| WBA \| Assets held for sale
Current assets held for sale
Inventories	68,233	264,286
Property and equipment	49,348	158,433
Goodwill		4,629
Intangible assets		10,789
Current assets held for sale	117,581	438,137
Current liabilities held for sale
Current maturities of long-term lease financing obligations		270
Accrued salaries, wages and other current liabilities		6,146
Long-term debt, less current maturities		549,549
Lease financing obligations, less current maturities		838
Other noncurrent liabilities		3,402
Current liabilities held for sale		$ 560,205
Noncurrent liabilities held for sale
Goodwill	$ 76,124
Amounts reclassified as current and noncurrent liabilities held for sale in connection with the Sale, Debt			$ 4,000,000