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Lease Termination and Impairment Charges (Details) $ in Thousands	3 Months Ended								12 Months Ended
	Mar. 03, 2018 USD ($) location store facility	Dec. 02, 2017 USD ($)	Sep. 02, 2017 USD ($)	Jun. 03, 2017 USD ($)	Mar. 04, 2017 USD ($) location store facility	Nov. 26, 2016 USD ($)	Aug. 27, 2016 USD ($)	May 28, 2016 USD ($)	Mar. 03, 2018 USD ($) location store facility	Mar. 04, 2017 USD ($) location store facility	Feb. 27, 2016 USD ($) location store facility
Lease termination and impairment charges
Lease termination and impairment charges	$ 47,675	$ 3,939	$ 3,113	$ 4,038	$ 25,575	$ 7,199	$ 7,226	$ 5,778	$ 58,765	$ 45,778	$ 40,477
Number of stores \| store	2,550								2,550
Revenues and operating losses of closed stores or stores approved for closure
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
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
Depreciation and amortization									$ 386,057	407,366	361,134
Active stores
Lease termination and impairment charges
Number of stores \| store	2,550								2,550
Long-Lived Assets	$ 1,171,000								$ 1,171,000
Impairment charges
Lease termination and impairment charges
Lease termination and impairment charges									$ 37,873	$ 22,631	$ 9,273
Total number of locations \| location	373				266				373	266	203
Impairment charges \| Active stores
Lease termination and impairment charges
Lease termination and impairment charges									$ 34,782	$ 20,623	$ 8,242
Number of stores \| store	306				213				306	213	176
Period considered for recording impairment charges on the basis of operating loss									2 years
Impairment charges \| Closed facilities
Lease termination and impairment charges
Lease termination and impairment charges									$ 3,091	$ 2,008	$ 1,031
Number of facilities \| facility	67				53				67	53	27
Lease termination charges									$ 3,091	$ 2,008	$ 1,031
Additional current period charges for stores previously impaired in prior periods \| Active stores
Lease termination and impairment charges
Lease termination and impairment charges									$ 7,313	$ 5,022	$ 4,582
Number of stores \| store	218				174				218	174	161
Number of stores fully impaired \| store									215	173	160
Charges for new, relocated and remodeled stores that did not meet their asset recoverability test in the current period \| Active stores
Lease termination and impairment charges
Lease termination and impairment charges									$ 13,100	$ 13,232	$ 778
Number of stores \| store	28				22				28	22	1
Number of stores fully impaired \| store									23	18	1
Period considered for impairment of relocated stores									2 years
Charges for the remaining stores that did not meet their asset recoverability test in the current period \| Active stores
Lease termination and impairment charges
Lease termination and impairment charges									$ 14,369	$ 2,369	$ 2,882
Number of stores \| store	60				17				60	17	14
Number of stores fully impaired \| store									58	16	13
Lease termination charges
Lease termination and impairment charges
Number of stores \| store	11				17				11	17	23
Lease termination charges									$ 20,892	$ 23,147	$ 31,204
Closed store and distribution center charges
Balance-beginning of period				$ 165,138				$ 208,421	165,138	208,421	241,047
Provision for present value of noncancellable lease payments of closed stores									8,871	6,503	9,709
Changes in assumptions about future sublease income, terminations and changes in interest rates									1,082	2,633	5,655
Interest accretion									11,439	14,186	16,463
Cash payments, net of sublease income									(53,240)	(66,605)	(64,453)
Balance-end of period	$ 133,290				$ 165,138				133,290	165,138	208,421
Closed stores or stores approved for closure
Revenues and operating losses of closed stores or stores approved for closure
Revenues									69,336	174,668	204,869
Operating expenses									82,541	193,771	223,774
Gain from sale of assets									(18,231)	(1,036)	(5,605)
Other expenses									830	2,182	1,725
Income (loss) before income taxes									4,196	(20,249)	(15,025)
Depreciation and amortization									365	1,440	1,498
Inventory liquidation charges									$ (2,828)	$ (187)	$ (295)
Minimum \| Charges for new, relocated and remodeled stores that did not meet their asset recoverability test in the current period \| Active stores
Lease termination and impairment charges
Period considered for recording impairment charges on the basis of operating loss									2 years
Period considered for impairment of new stores									3 years
Minimum \| Charges for the remaining stores that did not meet their asset recoverability test in the current period \| Active stores
Lease termination and impairment charges
Period considered for recording impairment charges on the basis of operating loss									2 years