Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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

Name:	us-gaap_RestructuringReserve
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Discontinued Operations - Additional Information (Detail)	12 Months Ended
	Jan. 31, 2015 USD ($)	Feb. 02, 2013 Store	Jan. 28, 2017 USD ($)	Jan. 30, 2016 USD ($)
Restructuring Cost And Reserve [Line Items]
Accrued liabilities			$ 1,175,000	$ 2,441,000
Segment, Discontinued Operations
Restructuring Cost And Reserve [Line Items]
Number of stores leases \| Store		21
Reimbursement received	$ 11,500,000
Accrued liabilities	$ 14,636,000		$ 0	$ 0