Consolidated Statements of Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Loss [Member]	Effect of Adoption of ASU 2016-02 [Member]	Effect of Adoption of ASU 2016-02 [Member] Retained Earnings [Member]
Balance (in shares) at Mar. 02, 2019		342,582			210,349
Balance at Mar. 02, 2019	$ 2,560,331	$ 3,426	$ 2,118,673	$ 11,112,887	$ (10,616,045)	$ (58,610)	$ (40,700)	$ (40,700)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(509,850)			(509,850)
Other comprehensive income (loss), net of tax	689					689
Dividends declared	(40,679)			(40,679)
Issuance of restricted shares, net (in shares)		456
Issuance of restricted shares, net	0	$ 4	(4)
Payment and vesting of performance stock units (in shares)		557
Payment and vesting of performance stock units	0	$ 6	(6)
Stock-based compensation expense, net	31,879		31,879
Repurchase of common stock, including fees (in shares)					(6,680)
Repurchase of common stock, including fees	(97,967)				$ (97,967)
Balance (in shares) at Aug. 31, 2019		343,595			217,029
Balance at Aug. 31, 2019	1,903,703	$ 3,436	2,150,542	10,521,658	$ (10,714,012)	(57,921)
Balance (in shares) at Jun. 01, 2019		343,419			215,645
Balance at Jun. 01, 2019	2,061,994	$ 3,434	2,138,362	10,679,515	$ (10,697,540)	(61,777)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(138,765)			(138,765)
Other comprehensive income (loss), net of tax	3,856					3,856
Dividends declared	(19,092)			(19,092)
Issuance of restricted shares, net (in shares)		166
Issuance of restricted shares, net	0	$ 1	(1)
Payment and vesting of performance stock units (in shares)		10
Payment and vesting of performance stock units	0	$ 1	(1)
Stock-based compensation expense, net	12,182		12,182
Repurchase of common stock, including fees (in shares)					(1,384)
Repurchase of common stock, including fees	(16,472)				$ (16,472)
Balance (in shares) at Aug. 31, 2019		343,595			217,029
Balance at Aug. 31, 2019	1,903,703	$ 3,436	2,150,542	10,521,658	$ (10,714,012)	(57,921)
Balance (in shares) at Feb. 29, 2020		343,683			217,155
Balance at Feb. 29, 2020	1,764,935	$ 3,436	2,167,337	10,374,826	$ (10,715,755)	(64,909)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(84,391)			(84,391)
Other comprehensive income (loss), net of tax	2,810					2,810
Dividend forfeited	461			461
Forfeiture of restricted shares, net (in shares)		(350)
Forfeiture of restricted shares, net	0	$ (4)	4
Payment and vesting of performance stock units (in shares)		343
Payment and vesting of performance stock units	0	$ 4	(4)
Stock-based compensation expense, net	$ 16,227		16,227
Repurchase of common stock, including fees (in shares)	(500)				(513)
Repurchase of common stock, including fees	$ (3,034)				$ (3,034)
Balance (in shares) at Aug. 29, 2020		343,676			217,668
Balance at Aug. 29, 2020	1,697,008	$ 3,436	2,183,564	10,290,896	$ (10,718,789)	(62,099)
Balance (in shares) at May. 30, 2020		343,918			217,611
Balance at May. 30, 2020	1,461,090	$ 3,439	2,175,225	10,072,535	$ (10,718,292)	(71,817)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	217,900			217,900
Other comprehensive income (loss), net of tax	9,718					9,718
Dividend forfeited	461			461
Forfeiture of restricted shares, net (in shares)		(242)
Forfeiture of restricted shares, net	0	$ (3)	3
Payment and vesting of performance stock units (in shares)		0
Payment and vesting of performance stock units	0	$ 0	0
Stock-based compensation expense, net	8,336		8,336
Repurchase of common stock, including fees (in shares)					(57)
Repurchase of common stock, including fees	(497)				$ (497)
Balance (in shares) at Aug. 29, 2020		343,676			217,668
Balance at Aug. 29, 2020	$ 1,697,008	$ 3,436	$ 2,183,564	$ 10,290,896	$ (10,718,789)	$ (62,099)