Guarantor and Non-Guarantor Condensed Consolidating Financial Information - Statement of Operations (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended								12 Months Ended
	Feb. 28, 2018	Feb. 29, 2020	Nov. 30, 2019	Aug. 31, 2019	Jun. 01, 2019	Mar. 02, 2019	Dec. 01, 2018	Sep. 01, 2018	Jun. 02, 2018	Feb. 29, 2020	Mar. 02, 2019	Mar. 03, 2018
Condensed Consolidating Statement of Operations
Revenues		$ 5,727,242	$ 5,462,298	$ 5,366,264	$ 5,372,589	$ 5,379,645	$ 5,450,060	$ 5,421,362	$ 5,388,490	$ 21,928,393	$ 21,639,557	$ 21,528,968
Costs and expenses:
Cost of revenues		4,460,621	4,273,323	4,221,825	4,245,866	4,215,281	4,267,972	4,260,211	4,219,741	17,201,635	16,963,205	16,748,863
Selling, general and administrative expenses		1,154,300	1,134,854	1,135,530	1,162,652	1,143,202	1,142,555	1,153,991	1,152,627	4,587,336	4,592,375	4,651,262
Lease termination and impairment charges		40,728	166	1,471	478	55,898	2,628	39,609	9,859	42,843	107,994	58,765
Goodwill and intangible asset impairment charges								375,190			375,190	261,727
Interest expense		53,429	57,856	60,102	58,270	52,695	56,008	56,233	62,792	229,657	227,728	202,768
(Gain) loss on debt retirements, net	$ 8,180		(55,692)						554	(55,692)	554
Walgreens Boots Alliance merger termination fee												(325,000)
(Gain) loss on sale of assets, net		9,896	(1,371)	(1,587)	(2,712)	(26,806)	(382)	(4,965)	(5,859)	4,226	(38,012)	(25,872)
Total costs and expenses		5,718,974	5,409,136	5,417,341	5,464,554	5,440,270	5,468,781	5,880,269	5,439,714	22,010,005	22,229,034	21,572,513
(Loss) income from continuing operations before income taxes		8,268	53,162	(51,077)	(91,965)	(60,625)	(18,721)	(458,907)	(51,224)	(81,612)	(589,477)	(43,545)
Income tax expense (benefit)		351,729	876	27,628	7,374	195,004	(1,471)	(106,559)	(9,497)	387,607	77,477	305,987
Net (loss) income from continuing operations		(343,461)	52,286	(78,705)	(99,339)	(255,629)	(17,250)	(352,348)	(41,727)	(469,219)	(666,954)	(349,532)
Net income (loss) from discontinued operations		18,740	(801)	(574)	(320)	(17,350)	12,740	(6,792)	256,143	17,045	244,741	1,293,002
Net (loss) income		$ (324,721)	$ 51,485	$ (79,279)	$ (99,659)	$ (272,979)	$ (4,510)	$ (359,140)	$ 214,416	(452,174)	(422,213)	943,470
Total other comprehensive (loss) income										(17,839)	3,490	7,255
Comprehensive (loss) income										(470,013)	(418,723)	950,725
Rite Aid Corporation (Parent Company Only)
Costs and expenses:
Interest expense												183,825
Walgreens Boots Alliance merger termination fee												(325,000)
Equity in earnings of subsidiaries, net of tax												(1,034,775)
Total costs and expenses												(1,175,950)
(Loss) income from continuing operations before income taxes												1,175,950
Net (loss) income from continuing operations												1,175,950
Net income (loss) from discontinued operations												(232,480)
Net (loss) income												943,470
Total other comprehensive (loss) income												7,255
Comprehensive (loss) income												950,725
Subsidiary Guarantors
Condensed Consolidating Statement of Operations
Revenues												21,413,734
Costs and expenses:
Cost of revenues												16,645,136
Selling, general and administrative expenses												4,635,531
Lease termination and impairment charges												58,765
Goodwill and intangible asset impairment charges												261,727
Interest expense												19,261
(Gain) loss on sale of assets, net												(25,872)
Equity in earnings of subsidiaries, net of tax												(4,072)
Total costs and expenses												21,590,476
(Loss) income from continuing operations before income taxes												(176,742)
Income tax expense (benefit)												313,965
Net (loss) income from continuing operations												(490,707)
Net income (loss) from discontinued operations												1,525,482
Net (loss) income												1,034,775
Total other comprehensive (loss) income												7,255
Comprehensive (loss) income												1,042,030
Non-Guarantor Subsidiaries
Condensed Consolidating Statement of Operations
Revenues												209,356
Costs and expenses:
Cost of revenues												197,084
Selling, general and administrative expenses												16,496
Interest expense												(318)
Total costs and expenses												213,262
(Loss) income from continuing operations before income taxes												(3,906)
Income tax expense (benefit)												(7,978)
Net (loss) income from continuing operations												4,072
Net (loss) income												4,072
Comprehensive (loss) income												4,072
Reportable legal entity | Rite Aid Corporation (Parent Company Only)
Costs and expenses:
Interest expense										216,834	206,862
Equity in earnings of subsidiaries, net of tax										235,340	210,736
Total costs and expenses										452,174	417,598
(Loss) income from continuing operations before income taxes										(452,174)	(417,598)
Net (loss) income from continuing operations										(452,174)	(417,598)
Net income (loss) from discontinued operations											(4,615)
Net (loss) income										(452,174)	(422,213)
Total other comprehensive (loss) income										(17,839)	3,490
Comprehensive (loss) income										(470,013)	(418,723)
Reportable legal entity | Subsidiary Guarantors
Condensed Consolidating Statement of Operations
Revenues										21,514,693	21,297,937
Costs and expenses:
Cost of revenues										16,818,111	16,648,099
Selling, general and administrative expenses										4,560,220	4,567,690
Lease termination and impairment charges										42,843	107,994
Goodwill and intangible asset impairment charges											375,190
Interest expense										13,586	21,704
(Gain) loss on debt retirements, net										(55,692)	554
(Gain) loss on sale of assets, net										4,226	(38,012)
Equity in earnings of subsidiaries, net of tax										(12,233)	(1,033)
Total costs and expenses										21,371,061	21,682,186
(Loss) income from continuing operations before income taxes										143,632	(384,249)
Income tax expense (benefit)										396,017	75,843
Net (loss) income from continuing operations										(252,385)	(460,092)
Net income (loss) from discontinued operations										17,045	249,356
Net (loss) income										(235,340)	(210,736)
Total other comprehensive (loss) income										(17,351)	3,490
Comprehensive (loss) income										(252,691)	(207,246)
Reportable legal entity | Non-Guarantor Subsidiaries
Condensed Consolidating Statement of Operations
Revenues										441,827	397,328
Costs and expenses:
Cost of revenues										411,266	370,413
Selling, general and administrative expenses										27,501	25,086
Interest expense										(763)	(838)
Total costs and expenses										438,004	394,661
(Loss) income from continuing operations before income taxes										3,823	2,667
Income tax expense (benefit)										(8,410)	1,634
Net (loss) income from continuing operations										12,233	1,033
Net (loss) income										12,233	1,033
Comprehensive (loss) income										12,233	1,033
Eliminations
Condensed Consolidating Statement of Operations
Revenues										(28,127)	(55,708)	(94,122)
Costs and expenses:
Cost of revenues										(27,742)	(55,307)	(93,357)
Selling, general and administrative expenses										(385)	(401)	(765)
Equity in earnings of subsidiaries, net of tax										(223,107)	(209,703)	1,038,847
Total costs and expenses										(251,234)	(265,411)	944,725
(Loss) income from continuing operations before income taxes										223,107	209,703	(1,038,847)
Net (loss) income from continuing operations										223,107	209,703	(1,038,847)
Net (loss) income										223,107	209,703	(1,038,847)
Total other comprehensive (loss) income										17,351	(3,490)	(7,255)
Comprehensive (loss) income										$ 240,458	$ 206,213	$ (1,046,102)