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	Mar. 03, 2018	Dec. 02, 2017	Sep. 02, 2017	Jun. 03, 2017	Mar. 04, 2017	Nov. 26, 2016	Aug. 27, 2016	May 28, 2016	Mar. 03, 2018	Mar. 04, 2017	Feb. 27, 2016
Condensed consolidating statement of operations
Revenues		$ 5,394,264	$ 5,353,170	$ 5,345,011	$ 5,436,523	$ 5,903,385	$ 5,669,111	$ 5,629,559	$ 5,725,485	$ 21,528,968	$ 22,927,540	$ 20,770,237
Costs and expenses:
Cost of revenues		4,124,498	4,166,447	4,183,338	4,274,580	4,554,328	4,424,260	4,387,845	4,496,400	16,748,863	17,862,833	15,778,258
Selling, general and administrative expenses		1,181,964	1,166,514	1,141,844	1,160,940	1,253,144	1,168,646	1,175,430	1,179,775	4,651,262	4,776,995	4,581,171
Lease termination and impairment expenses		47,675	3,939	3,113	4,038	25,575	7,199	7,226	5,778	58,765	45,778	40,477
Interest expense		50,603	50,308	50,857	51,000	53,391	50,303	49,703	46,668	202,768	200,065	186,132
Goodwill impairment		261,727								261,727	0
Walgreens Boots Alliance, Inc. termination fee				(325,000)						(325,000)
Loss on debt retirements, net	$ 8,180									8,180		33,205
Gain (loss) on sale of assets, net		(5,249)	205	(14,951)	(5,877)	(6,261)	(225)	(560)	397	(25,872)	(6,649)	(606)
Total costs and expenses		5,661,218	5,387,413	5,039,201	5,484,681	5,880,177	5,650,183	5,619,644	5,729,018	21,572,513	22,879,022	20,618,637
Income (loss) before income taxes		(266,954)	(34,243)	305,810	(48,158)	23,208	18,928	9,915	(3,533)	(43,545)	48,518	151,600
Income tax expense (benefit)		216,719	(16,061)	117,450	(12,121)	48,262	(4,682)	3,879	(3,021)	305,987	44,438	49,512
Net (loss) income from continuing operations		(483,673)	(18,182)	188,360	(36,037)	(25,054)	23,610	6,036	(512)	(349,532)	4,080	102,088
Net income (loss) from discontinued operations		1,250,745	99,213	(17,644)	(39,312)	3,912	(8,600)	8,737	(4,076)	1,293,002	(27)	63,377
Net income		$ 767,072	$ 81,031	$ 170,716	$ (75,349)	$ (21,142)	$ 15,010	$ 14,773	$ (4,588)	943,470	4,053	165,465
Total other comprehensive income (loss)										7,255	5,464	(1,931)
Comprehensive income										950,725	9,517	163,534
Rite Aid Corporation (Parent Company Only)
Costs and expenses:
Interest expense												151,862
Loss on debt retirements, net												33,205
Equity in earnings of subsidiaries, net of tax												(613,974)
Total costs and expenses												(428,907)
Income (loss) before income taxes												428,907
Net (loss) income from continuing operations												428,907
Net income (loss) from discontinued operations												(263,442)
Net income												165,465
Total other comprehensive income (loss)												(1,931)
Comprehensive income												163,534
Subsidiary Guarantors
Condensed consolidating statement of operations
Revenues												20,765,351
Costs and expenses:
Cost of revenues												15,778,258
Selling, general and administrative expenses												4,572,146
Lease termination and impairment expenses												40,477
Interest expense												34,268
Gain (loss) on sale of assets, net												(606)
Equity in earnings of subsidiaries, net of tax												3,972
Total costs and expenses												20,428,515
Income (loss) before income taxes												336,836
Income tax expense (benefit)												49,681
Net (loss) income from continuing operations												287,155
Net income (loss) from discontinued operations												326,819
Net income												613,974
Total other comprehensive income (loss)												(1,931)
Comprehensive income												612,043
Non-Guarantor Subsidiaries
Condensed consolidating statement of operations
Revenues												162,620
Costs and expenses:
Cost of revenues												154,838
Selling, general and administrative expenses												11,921
Interest expense												2
Total costs and expenses												166,761
Income (loss) before income taxes												(4,141)
Income tax expense (benefit)												(169)
Net (loss) income from continuing operations												(3,972)
Net income												(3,972)
Comprehensive income												(3,972)
Reportable legal entity | Rite Aid Corporation (Parent Company Only)
Costs and expenses:
Interest expense										183,825	182,282
Walgreens Boots Alliance, Inc. termination fee										(325,000)
Equity in earnings of subsidiaries, net of tax										(1,034,775)	(418,261)
Total costs and expenses										(1,175,950)	(235,979)
Income (loss) before income taxes										1,175,950	235,979
Net (loss) income from continuing operations										1,175,950	235,979
Net income (loss) from discontinued operations										(232,480)	(231,926)
Net income										943,470	4,053
Total other comprehensive income (loss)										7,255	5,464
Comprehensive income										950,725	9,517
Reportable legal entity | Subsidiary Guarantors
Condensed consolidating statement of operations
Revenues										21,413,734	22,821,940
Costs and expenses:
Cost of revenues										16,645,136	17,767,363
Selling, general and administrative expenses										4,635,531	4,763,176
Lease termination and impairment expenses										58,765	45,778
Interest expense										19,261	17,796
Goodwill impairment										261,727
Gain (loss) on sale of assets, net										(25,872)	(6,649)
Equity in earnings of subsidiaries, net of tax										(4,072)	5,101
Total costs and expenses										21,590,476	22,592,565
Income (loss) before income taxes										(176,742)	229,375
Income tax expense (benefit)										313,965	43,013
Net (loss) income from continuing operations										(490,707)	186,362
Net income (loss) from discontinued operations										1,525,482	231,899
Net income										1,034,775	418,261
Total other comprehensive income (loss)										7,255	5,464
Comprehensive income										1,042,030	423,725
Reportable legal entity | Non-Guarantor Subsidiaries
Condensed consolidating statement of operations
Revenues										209,356	223,077
Costs and expenses:
Cost of revenues										197,084	213,225
Selling, general and administrative expenses										16,496	13,541
Interest expense										(318)	(13)
Total costs and expenses										213,262	226,753
Income (loss) before income taxes										(3,906)	(3,676)
Income tax expense (benefit)										(7,978)	1,425
Net (loss) income from continuing operations										4,072	(5,101)
Net income										4,072	(5,101)
Comprehensive income										4,072	(5,101)
Eliminations
Condensed consolidating statement of operations
Revenues										(94,122)	(117,477)	(157,734)
Costs and expenses:
Cost of revenues										(93,357)	(117,755)	(154,838)
Selling, general and administrative expenses										(765)	278	(2,896)
Equity in earnings of subsidiaries, net of tax										1,038,847	413,160	610,002
Total costs and expenses										944,725	295,683	452,268
Income (loss) before income taxes										(1,038,847)	(413,160)	(610,002)
Net (loss) income from continuing operations										(1,038,847)	(413,160)	(610,002)
Net income										(1,038,847)	(413,160)	(610,002)
Total other comprehensive income (loss)										(7,255)	(5,464)	1,931
Comprehensive income										$ (1,046,102)	$ (418,624)	$ (608,071)