Asset Sale to WBA - Carrying amount of assets sold (Details) - USD ($) $ in Thousands	Dec. 02, 2017	Mar. 04, 2017
Current assets held for sale
Current assets held for sale	$ 1,868,128	$ 1,047,670
Noncurrent assets held for sale
Noncurrent assets held for sale		882,268
Current liabilities held for sale
Current liabilities held for sale	3,837,519	32,683
Noncurrent liabilities held for sale
Noncurrent liabilities held for sale		4,057,392
Goodwill	1,682,847	1,682,847
Amounts reclassified as current and noncurrent liabilities held for sale in connection with the Sale, Debt	3,786,480	4,027,400
Assets under Retail Pharmacy to be Sold | WBA | Assets held for sale
Current assets held for sale
Inventories	1,071,253	1,047,670
Property and equipment	666,118
Goodwill	30,994
Intangible assets	96,461
Other assets	3,302
Current assets held for sale	1,868,128	1,047,670
Noncurrent assets held for sale
Property and equipment		725,230
Goodwill		32,632
Intangible assets		120,389
Other assets		4,017
Noncurrent assets held for sale		882,268
Current liabilities held for sale
Current maturities of long-term lease financing obligations	1,908	3,626
Accrued salaries, wages and other current liabilities	24,020	29,057
Long-term debt, less current maturities	3,786,480
Lease financing obligations, less current maturities	4,164
Other noncurrent liabilities	20,947
Current liabilities held for sale	$ 3,837,519	32,683
Noncurrent liabilities held for sale
Long-term debt, less current maturities		4,027,400
Lease financing obligations, less current maturities		6,866
Other noncurrent liabilities		23,126
Noncurrent liabilities held for sale		4,057,392
Goodwill		76,124
Amounts reclassified as current and noncurrent liabilities held for sale in connection with the Sale, Debt		$ 4,027,400