CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss	Total
BALANCE - beginning of period at Feb. 29, 2020	$ 54,716	$ 5,890,903	$ (5,222,194)	$ (48,898)	$ 674,527
BALANCE (in shares) at Feb. 29, 2020	54,716
Increase (Decrease) in Stockholders' Deficit
Net loss			(90,909)		(90,909)
Other comprehensive loss:
Changes in Defined Benefit Plans, net of $0 tax expense				24,382	24,382
Change in fair value of interest rate cap				462	462
Comprehensive loss					(66,065)
Exchange of restricted shares for taxes	$ (189)	(2,897)			(3,086)
Exchange of restricted shares for taxes (in shares)	(189)
Issuance of restricted stock	$ 780	(780)
Issuance of restricted stock (in shares)	780
Cancellation of restricted stock	$ (166)	166
Cancellation of restricted stock (in shares)	(166)
Amortization of restricted stock balance		9,126			9,126
Stock-based compensation expense		599			599
Stock options exercised	$ 2	51			$ 53
Stock options exercised (in shares)	2				2
BALANCE - end of period at Feb. 27, 2021	$ 55,143	5,897,168	(5,313,103)	(24,054)	$ 615,154
BALANCE (in shares) at Feb. 27, 2021	55,143
Increase (Decrease) in Stockholders' Deficit
Net loss			(538,478)		(538,478)
Other comprehensive loss:
Changes in Defined Benefit Plans, net of $0 tax expense				8,590	8,590
Change in fair value of interest rate cap				27	27
Comprehensive loss					(529,861)
Exchange of restricted shares for taxes	$ (177)	(2,411)			(2,588)
Exchange of restricted shares for taxes (in shares)	(177)
Issuance of restricted stock	$ 973	(973)
Issuance of restricted stock (in shares)	973
Cancellation of restricted stock	$ (187)	187
Cancellation of restricted stock (in shares)	(187)
Amortization of restricted stock balance		10,308			10,308
Stock-based compensation expense		600			600
Amortization of performance-based incentive plans		5,420			$ 5,420
Stock options exercised (in shares)
BALANCE - end of period at Feb. 26, 2022	$ 55,752	5,910,299	(5,851,581)	(15,437)	$ 99,033
BALANCE (in shares) at Feb. 26, 2022	55,752
Increase (Decrease) in Stockholders' Deficit
Net loss			(749,936)		(749,936)
Other comprehensive loss:
Changes in Defined Benefit Plans, net of $0 tax expense				585	585
Comprehensive loss					(749,351)
Exchange of restricted shares for taxes	$ (415)	(2,247)			(2,662)
Exchange of restricted shares for taxes (in shares)	(415)
Issuance of restricted stock	$ 1,662	(1,662)
Issuance of restricted stock (in shares)	1,662
Cancellation of restricted stock	$ (370)	370
Cancellation of restricted stock (in shares)	(370)
Amortization of restricted stock balance		13,897			13,897
Stock-based compensation expense		720			720
Amortization of performance-based incentive plans		(3,413)			$ (3,413)
Stock options exercised (in shares)
BALANCE - end of period at Mar. 04, 2023	$ 56,629	$ 5,917,964	$ (6,601,517)	$ (14,852)	$ (641,776)
BALANCE (in shares) at Mar. 04, 2023	56,629