Supplementary Cash Flow Data (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 02, 2019	Mar. 03, 2018	Mar. 04, 2017
Supplementary Cash Flow Data
Cash paid for interest	$ 267,760	$ 405,579	$ 409,692
Cash payments for income taxes, net	17,383	87,087	17,081
Equipment financed under capital leases	4,165	13,123	7,551
Equipment received for noncash consideration		2,044	746
Reduction in lease financing obligation		4,740
Accrued capital expenditures	15,298	28,869	27,232
Gross borrowings from revolver	4,257,000	4,221,000	3,608,000
Gross repayments to revolver	3,382,000	$ 6,651,000	$ 3,278,000
Significant components of cash used by Other Liabilities
Cash used by Other Liabilities	439,906
Accrued reinsurance	185,761
Accrued wages, benefits and other personnel costs	58,154
Accrued interest	51,219
Accrued sales and other taxes payable	$ 44,581