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. 27, 2016	$ 52,387	$ 5,818,032	$ (5,241,210)	$ (47,781)	$ 581,428
BALANCE (in shares) at Feb. 27, 2016	52,387
Increase (Decrease) in Stockholders' Deficit
Net (loss) income			4,053		4,053
Other comprehensive income:
Changes in Defined Benefit Plans, net of $1,765, $4,842 and $3,600 tax expense at March 2, 2019, March 3, 2018 and March 4, 2017 respectively				5,464	5,464
Comprehensive (loss) income					9,517
Exchange of restricted shares for taxes	$ (40)	(6,215)			(6,255)
Exchange of restricted shares for taxes (in shares)	(40)
Issuance of restricted stock	$ 181	(181)
Issuance of restricted stock (in shares)	181
Cancellation of restricted stock	$ (21)	21
Cancellation of restricted stock (in shares)	(21)
Amortization of restricted stock balance		12,588			12,588
Stock-based compensation expense		9,989			9,989
Tax benefit from exercise of stock options and restricted stock vesting		(148)			(148)
Stock options exercised	$ 178	6,773			6,951
Stock options exercised (in shares)	178
Balance - end of period at Mar. 04, 2017	$ 52,685	5,840,859	(5,237,157)	(42,317)	614,070
BALANCE (in shares) at Mar. 04, 2017	52,685
Increase (Decrease) in Stockholders' Deficit
Net (loss) income			943,470		943,470
Other comprehensive income:
Changes in Defined Benefit Plans, net of $1,765, $4,842 and $3,600 tax expense at March 2, 2019, March 3, 2018 and March 4, 2017 respectively				7,255	7,255
Comprehensive (loss) income					950,725
Adoption of ASU | Accounting Standards Update 2016-09			11,729		11,729
Adoption of ASU | Accounting Standards Update 2018-02			(513)	513
Exchange of restricted shares for taxes	$ (73)	(4,030)			(4,103)
Exchange of restricted shares for taxes (in shares)	(73)
Issuance of restricted stock	$ 693	(693)
Issuance of restricted stock (in shares)	693
Cancellation of restricted stock	$ (180)	180
Cancellation of restricted stock (in shares)	(180)
Amortization of restricted stock balance		18,365			18,365
Stock-based compensation expense		2,761			2,761
Amortization of performance-based incentive plans		1,667			1,667
Stock options exercised	$ 241	5,555			5,796
Stock options exercised (in shares)	241
Balance - end of period at Mar. 03, 2018	$ 53,366	5,864,664	(4,282,471)	(34,549)	1,601,010
BALANCE (in shares) at Mar. 03, 2018	53,366
Increase (Decrease) in Stockholders' Deficit
Net (loss) income			(422,213)		(422,213)
Other comprehensive income:
Changes in Defined Benefit Plans, net of $1,765, $4,842 and $3,600 tax expense at March 2, 2019, March 3, 2018 and March 4, 2017 respectively				3,490	3,490
Comprehensive (loss) income					(418,723)
Adoption of ASU | Accounting Standards Update 2014-09			(8,560)		(8,560)
Exchange of restricted shares for taxes	$ (70)	(2,349)			(2,419)
Exchange of restricted shares for taxes (in shares)	(70)
Issuance of restricted stock	$ 709	(709)
Issuance of restricted stock (in shares)	709
Cancellation of restricted stock	$ (88)	88
Cancellation of restricted stock (in shares)	(88)
Amortization of restricted stock balance		14,628			14,628
Stock-based compensation expense		(1,539)			(1,539)
Stock options exercised	$ 99	2,194			2,293
Stock options exercised (in shares)	99
Balance - end of period at Mar. 02, 2019	$ 54,016	$ 5,876,977	$ (4,713,244)	$ (31,059)	$ 1,186,690
BALANCE (in shares) at Mar. 02, 2019	54,016