CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Feb. 27, 2021	Feb. 29, 2020	Mar. 02, 2019
Operating activities:
Net loss	$ (90,909)	$ (452,174)	$ (422,213)
Net income (loss) from discontinued operations, net of tax	9,161	17,045	244,741
Net loss from continuing operations	(100,070)	(469,219)	(666,954)
Adjustments to reconcile to net cash (used in) provided by operating activities of continuing operations :
Depreciation and amortization	327,124	328,277	357,882
Lease termination and impairment charges	58,403	42,843	107,994
Intangible asset impairment charges	29,852		375,190
LIFO (credit) charge	(51,692)	(64,804)	23,354
(Gain) loss on sale of assets, net	(69,300)	4,226	(38,012)
Gain on Bartell acquisition	(47,705)
Stock-based compensation expense	13,003	16,087	12,115
(Gain) loss on debt modifications and retirements, net	(5,274)	(55,692)	554
Changes in deferred taxes	(10,633)	385,904	95,638
Changes in operating assets and liabilities:
Accounts receivable	(182,404)	486,563	(75,844)
Inventories	177,263	15,141	(44,645)
Accounts payable	(35,372)	(92,062)	125,925
Operating lease right-of-use assets and operating lease liabilities	(28,044)	14,112
Other assets	80,975	(38,351)	1,000
Other liabilities	(50,947)	(62,168)	(439,906)
Net cash provided by (used in) operating activities of continuing operations	105,179	510,857	(165,709)
Investing activities:
Payments for property, plant and equipment	(195,141)	(171,705)	(196,778)
Intangible assets acquired	(29,800)	(42,681)	(47,911)
Acquisition of businesses, net of cash acquired	(86,230)
Proceeds from insured loss	12,500
Proceeds from dispositions of assets and investments	11,444	59,658	43,550
Proceeds from sale-leaseback transactions, ASC842	177,892	4,879
Proceeds from sale-leaseback transactions, ACS 840			2,587
Net cash used in investing activities of continuing operations	(109,335)	(149,849)	(198,552)
Financing activities:
Proceeds from issuance of long-term debt	849,918	600,000	450,000
Net proceeds from (payments to) revolver	200,000	(225,000)	875,000
Principal payments on long-term debt	(1,058,537)	(706,103)	(440,370)
Change in zero balance cash accounts	(36,463)	12,671	(59,481)
Net proceeds from issuance of common stock	53		2,294
Payments for taxes related to net share settlement of equity awards	(3,086)	(1,921)	(2,419)
Financing fees paid for early debt redemption	(2,399)	(518)	(171)
Deferred financing costs paid	(14,729)	(5,781)	(21,564)
Net cash (used in) provided by financing activities of continuing operations	(65,243)	(326,652)	803,289
Cash flows from discontinued operations:
Operating activities of discontinued operations	(82,189)	(23,836)	(62,956)
Investing activities of discontinued operations	94,310	63,307	664,740
Financing activities of discontinued operations	0	0	(1,343,793)
Net cash provided by (used in) discontinued operations	12,121	39,471	(742,009)
(Decrease) increase in cash and cash equivalents	(57,278)	73,827	(302,981)
Cash and cash equivalents, beginning of period	218,180	144,353	447,334
Cash and cash equivalents, end of period	$ 160,902	$ 218,180	$ 144,353