Supplementary Cash Flow Data (Details) - USD ($) $ in Thousands	9 Months Ended
	Dec. 01, 2018	Dec. 02, 2017
Supplementary Cash Flow Data
Cash paid for interest (net of capitalized amounts of $0 and $263, respectively)	$ 183,567	$ 285,022
Cash paid for interest, capitalized amounts	10	263
Cash payments for income taxes, net	21,606	8,353
Equipment financed under capital leases	3,349	10,295
Equipment received for noncash consideration		2,044
Reduction in lease financing obligation		4,740
Gross borrowings from revolver	2,712,000	2,203,000
Gross repayments to revolver	1,467,000	$ 2,467,080
Significant components of cash used by Other Liabilities
Cash used by Other Liabilities	216,086
Accrued wages, benefits and other personnel costs	98,491
Amounts due to pharmacy network providers	$ 37,000