Accounts Receivable, net - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	9 Months Ended
Nov. 01, 2014	Nov. 01, 2014 Other Accounts Receivable	Feb. 01, 2014 Other Accounts Receivable	Nov. 02, 2013 Other Accounts Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage allowance on losses	100.00%
Losses allowance maturity period	90 days
Finance receivable age	90 days
Gross accounts receivable		$ 9.5	$ 12.8	$ 9.9
Valuation of allowance		$ 0.3	$ 0.3	$ 0.5

For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 4

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5074-111524

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.4)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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