Derivatives - Fair Value of Presentation of Derivative Assets and Liabilities (Details) - USD ($) $ in Millions	Oct. 31, 2015	Jan. 31, 2015	Nov. 01, 2014
Derivatives, Fair Value [Line Items]
Fair Value of derivative assets	$ 0.5	$ 7.4	$ 0.8
Fair value of derivative liabilities	(3.3)	0.0	(3.9)
Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Fair Value of derivative assets	0.5	7.3	0.4
Fair value of derivative liabilities	(3.3)	0.0	(3.9)
Foreign currency contracts | Designated as Hedging Instrument | Other current assets
Derivatives, Fair Value [Line Items]
Fair Value of derivative assets	0.1	1.0	0.4
Foreign currency contracts | Designated as Hedging Instrument | Other current liabilities
Derivatives, Fair Value [Line Items]
Fair value of derivative liabilities	(0.1)	0.0	(0.3)
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	0.4
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	0.3	6.3	0.0
Commodity contracts | Designated as Hedging Instrument | Other Assets [Member]
Derivatives, Fair Value [Line Items]
Fair Value of derivative assets	0.1	0.0	0.0
Commodity contracts | Designated as Hedging Instrument | Other current liabilities
Derivatives, Fair Value [Line Items]
Fair value of derivative liabilities	(1.1)	0.0	(3.6)
Interest rate swaps | Designated as Hedging Instrument | Non-current liabilities
Derivatives, Fair Value [Line Items]
Fair value of derivative liabilities	$ (2.1)	$ 0.0	$ 0.0