Consolidated Statement of Cash Flows - USD ($)	12 Months Ended
	Feb. 23, 2019	Feb. 24, 2018	Feb. 25, 2017
Cash flows from operating activities:
Net income (loss)	$ 131,100,000	$ 46,300,000	$ (373,300,000)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Net (gain) loss on property dispositions, asset impairment and lease exit costs	(165,000,000.0)	66,700,000	(39,200,000)
Goodwill impairment	0	142,300,000	0
Depreciation and amortization	1,738,800,000	1,898,100,000	1,804,800,000
LIFO expense (benefit)	8,000,000.0	3,000,000.0	(7,900,000)
Deferred income tax	(81,500,000)	(1,094,100,000)	(219,500,000)
Pension and post-retirement benefits expense	24,500,000	(900,000)	95,500,000
Contributions to pension and post-retirement benefit plans	(199,300,000)	(21,900,000)	(11,500,000)
Amortization and write off of deferred financing costs	42,700,000	56,100,000	84,400,000
Loss (gain) on debt extinguishment	8,700,000	(4,700,000)	111,700,000
Equity-based compensation expense	47,700,000	45,900,000	53,300,000
Other	(44,000,000.0)	104,100,000	63,300,000
Changes in operating assets and liabilities, net of effects of acquisition of businesses:
Receivables, net	28,800,000	21,700,000	(9,200,000)
Inventories, net	80,300,000	45,600,000	2,700,000
Accounts payable, accrued salaries and wages and other accrued liabilities	98,400,000	(158,200,000)	233,600,000
Self-insurance assets and liabilities	(48,700,000)	(55,300,000)	(42,500,000)
Other operating assets and liabilities	17,400,000	(75,900,000)	67,300,000
Net cash provided by operating activities	1,687,900,000	1,018,800,000	1,813,500,000
Cash flows from investing activities:
Business acquisitions, net of cash acquired	0	(148,800,000)	(220,600,000)
Payments for property, equipment, intangibles, including payments for lease buyouts	(1,362,600,000)	(1,547,000,000.0)	(1,414,900,000)
Proceeds from sale of assets	1,252,000,000.0	939,200,000	477,000,000.0
Proceeds from sale of Casa Ley	0	344,200,000	0
Other	23,800,000	(56,600,000)	78,900,000
Net cash used in investing activities	(86,800,000)	(469,000,000.0)	(1,079,600,000)
Cash flows from financing activities:
Proceeds from issuance of long-term debt	1,969,800,000	290,000,000.0	3,053,100,000
Payments on long-term borrowings	(3,082,300,000)	(870,600,000)	(2,832,700,000)
Payment of make-whole premium on debt extinguishment	(3,100,000)	0	(87,700,000)
Payments of obligations under capital leases	(97,500,000)	(107,200,000)	(123,200,000)
Payments for debt financing costs	(27,000,000.0)	(1,500,000)	(31,800,000)
Payment of Casa Ley contingent value right	0	(222,000,000.0)	0
Employee tax withholding on vesting of phantom units	(15,300,000)	(17,500,000)	(17,400,000)
Member distributions	0	(250,000,000.0)	0
Purchase of treasury stock, at cost	(25,800,000)	0	0
Proceeds from financing leases	0	137,600,000	0
Other	(33,000,000.0)	(56,900,000)	(58,100,000)
Net cash used in financing activities	(1,314,200,000)	(1,098,100,000)	(97,800,000)
Net increase (decrease) in cash and cash equivalents and restricted cash	286,900,000	(548,300,000)	636,100,000
Cash and cash equivalents and restricted cash at beginning of period	680,800,000	1,229,100,000	593,000,000.0
Cash and cash equivalents and restricted cash at end of period	967,700,000	680,800,000	1,229,100,000
Reconciliation of capital investments:
Payments for property and equipment, including payments for lease buyouts	(1,362,600,000)	(1,547,000,000.0)	(1,414,900,000)
Payments for lease buyouts	18,900,000	26,500,000	39,400,000
Total payments for capital investments, excluding lease buyouts	(1,343,700,000)	(1,520,500,000)	(1,375,500,000)
Non-cash investing and financing activities were as follows:
Additions of capital lease obligations, excluding business acquisitions	6,000,000.0	31,000,000.0	11,500,000
Purchases of property and equipment included in accounts payable	243,100,000	179,700,000	220,200,000
Interest and income taxes paid:
Interest paid, net of amount capitalized	805,900,000	813,500,000	924,200,000
Income taxes paid	$ 18,200,000	$ 15,800,000	$ 129,200,000