Derivatives - Derivatives not Designated as Hedging Instruments (Details) - Not Designated as Hedging Instrument - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Aug. 01, 2015	Aug. 02, 2014	Aug. 01, 2015	Aug. 02, 2014
Derivative [Line Items]
Foreign currency contracts not designated as hedging	$ 0.7	$ 0.0	$ 0.4	$ (1.6)
Foreign currency contracts \| Other Income
Derivative [Line Items]
Foreign currency contracts not designated as hedging	$ 0.7	$ 0.0	$ 0.4	$ (1.6)

Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959

Name:	us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration