Income Taxes - Additional Information (Detail) (USD $) In Millions, unless otherwise specified			3 Months Ended
May 03, 2014	Feb. 01, 2014	May 03, 2014 US	May 03, 2014 UK
Income Tax Disclosure [Abstract]
Tax years subject to examination			Tax years ending after November 1, 2008	Tax years ending after January 31, 2012
Unrecognized tax benefits	$ 0	$ 4.6
Accrued interest related to unrecognized tax benefits	$ 0	$ 0.3

Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Unrecognized Tax Benefit

-URI http://asc.fasb.org/extlink&oid=6527854

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15A

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319

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