Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 5.P.3)
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB TOPIC 5.P.4(b))
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 5
-Section P
-Subsection 3, 4

Name:	us-gaap_RestructuringCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Restructuring and Strategic Charges - Summary of Charges (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jan. 31, 2015	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring and strategic charges	$ 16,700	$ 48,801	$ 16,745	$ 0
Impairment charges
Restructuring Cost and Reserve [Line Items]
Restructuring and strategic charges		22,001	8,554	0
Continuing Employee Costs
Restructuring Cost and Reserve [Line Items]
Restructuring and strategic charges		8,330	0	0
Severance and other charges
Restructuring Cost and Reserve [Line Items]
Restructuring and strategic charges		6,863	7,577	0
Lease Termination Charges
Restructuring Cost and Reserve [Line Items]
Restructuring and strategic charges		9,578	0	0
Other charges
Restructuring Cost and Reserve [Line Items]
Restructuring and strategic charges		$ 2,029	$ 614	$ 0