Derivatives - Fair Value of Presentation of Derivative Assets and Liabilities (Details) - USD ($) $ in Millions	Aug. 01, 2015	Jan. 31, 2015	Aug. 02, 2014
Derivatives, Fair Value [Line Items]
Fair Value of derivative assets	$ 0.1	$ 7.4	$ 1.0
Fair value of derivative liabilities	(8.1)	0.0	(2.0)
Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Fair Value of derivative assets	0.1	7.3	0.7
Fair value of derivative liabilities	(8.1)	0.0	(2.0)
Foreign currency contracts | Designated as Hedging Instrument | Other current assets
Derivatives, Fair Value [Line Items]
Fair Value of derivative assets	0.1	1.0	0.0
Foreign currency contracts | Designated as Hedging Instrument | Other current liabilities
Derivatives, Fair Value [Line Items]
Fair value of derivative liabilities	(0.3)	0.0	(1.9)
Foreign currency contracts | Not Designated as Hedging Instrument | Other current assets
Derivatives, Fair Value [Line Items]
Fair Value of derivative assets	0.0	0.1	0.3
Foreign currency contracts | Not Designated as Hedging Instrument | Other current liabilities
Derivatives, Fair Value [Line Items]
Fair value of derivative liabilities	0.0	0.0	0.0
Commodity contracts | Designated as Hedging Instrument | Other current assets
Derivatives, Fair Value [Line Items]
Fair Value of derivative assets	0.0	6.3	0.7
Commodity contracts | Designated as Hedging Instrument | Other current liabilities
Derivatives, Fair Value [Line Items]
Fair value of derivative liabilities	(6.7)	0.0	(0.1)
Commodity contracts | Designated as Hedging Instrument | Non-current liabilities
Derivatives, Fair Value [Line Items]
Fair value of derivative liabilities	(0.2)	0.0	0.0
Interest rate swaps | Designated as Hedging Instrument | Non-current liabilities
Derivatives, Fair Value [Line Items]
Fair value of derivative liabilities	$ (0.9)	$ 0.0	$ 0.0