Consolidated Statement of Cash Flows - USD ($)	12 Months Ended
	Feb. 29, 2020	Feb. 23, 2019	Feb. 24, 2018
Cash flows from operating activities:
Net income	$ 466,400,000	$ 131,100,000	$ 46,300,000
Adjustments to reconcile net income to net cash provided by operating activities:
(Gain) loss on property dispositions and impairment losses, net	(484,800,000)	(165,000,000.0)	66,700,000
Goodwill impairment	0	0	142,300,000
Depreciation and amortization	1,691,300,000	1,738,800,000	1,898,100,000
Operating lease right-of-use assets amortization	570,300,000
LIFO expense	18,400,000	8,000,000.0	3,000,000.0
Deferred income tax	(5,900,000)	(81,500,000)	(1,094,100,000)
Pension and post-retirement benefits (income) expense	(2,000,000.0)	24,500,000	(900,000)
Contributions to pension and post-retirement benefit plans	(11,000,000.0)	(199,300,000)	(21,900,000)
Loss (gain) on interest rate swaps and commodity hedges, net	50,600,000	(1,300,000)	(6,200,000)
Amortization and write-off of deferred financing costs	39,800,000	42,700,000	56,100,000
Loss (gain) on debt extinguishment	111,400,000	8,700,000	(4,700,000)
Equity-based compensation expense	32,800,000	47,700,000	45,900,000
Other operating activities	2,500,000	(42,700,000)	110,300,000
Changes in operating assets and liabilities, net of effects of acquisition of businesses:
Receivables, net	60,800,000	28,800,000	21,700,000
Inventories, net	(38,100,000)	80,300,000	45,600,000
Accounts payable, accrued salaries and wages and other accrued liabilities	85,300,000	98,400,000	(158,200,000)
Operating lease liabilities	(584,400,000)
Self-insurance assets and liabilities	(4,000,000.0)	(48,700,000)	(55,300,000)
Other operating assets and liabilities	(95,500,000)	17,400,000	(75,900,000)
Net cash provided by operating activities	1,903,900,000	1,687,900,000	1,018,800,000
Cash flows from investing activities:
Business acquisitions, net of cash acquired	0	0	(148,800,000)
Payments for property, equipment and intangibles, including payments for lease buyouts	(1,475,100,000)	(1,362,600,000)	(1,547,000,000.0)
Proceeds from sale of assets	1,096,700,000	1,252,000,000.0	939,200,000
Proceeds from sale of Casa Ley	0	0	344,200,000
Other investing activities	(100,000)	23,800,000	(56,600,000)
Net cash used in investing activities	(378,500,000)	(86,800,000)	(469,000,000.0)
Cash flows from financing activities:
Proceeds from issuance of long-term debt	3,874,000,000.0	1,969,800,000	290,000,000.0
Payments on long-term borrowings	(5,676,600,000)	(3,082,300,000)	(870,600,000)
Payments of obligations under finance leases	(109,300,000)	(97,500,000)	(107,200,000)
Payments for debt financing costs	(53,200,000)	(27,000,000.0)	(1,500,000)
Payment of Casa Ley contingent value right	0	0	(222,000,000.0)
Employee tax withholding on vesting of phantom units	(18,800,000)	(15,300,000)	(17,500,000)
Member distributions	0	0	(250,000,000.0)
Purchase of treasury stock, at cost	0	(25,800,000)	0
Proceeds from financing leases	0	0	137,600,000
Other financing activities	(30,300,000)	(36,100,000)	(56,900,000)
Net cash used in financing activities	(2,014,200,000)	(1,314,200,000)	(1,098,100,000)
Net (decrease) increase in cash and cash equivalents and restricted cash	(488,800,000)	286,900,000	(548,300,000)
Cash and cash equivalents and restricted cash at beginning of period	967,700,000	680,800,000	1,229,100,000
Cash and cash equivalents and restricted cash at end of period	478,900,000	967,700,000	680,800,000
Reconciliation of capital investments:
Payments for property and equipment, including payments for lease buyouts	(1,475,100,000)	(1,362,600,000)	(1,547,000,000.0)
Payments for lease buyouts	7,700,000	18,900,000	26,500,000
Total payments for capital investments, excluding lease buyouts	(1,467,400,000)	(1,343,700,000)	(1,520,500,000)
Non-cash investing and financing activities were as follows:
Additions of finance lease obligations, excluding business acquisitions	0	6,000,000.0	31,000,000.0
Purchases of property and equipment included in accounts payable	230,800,000	243,100,000	179,700,000
Interest and income taxes paid:
Interest paid, net of amount capitalized	718,500,000	805,900,000	813,500,000
Income taxes paid	$ 228,800,000	$ 18,200,000	$ 15,800,000