Hedging Instruments - Schedule of Notional Amounts of Outstanding Derivative Positions (Details) - 12 months ended Jan. 31, 2018 € in Millions, ¥ in Millions, £ in Millions, SFr in Millions, Kč in Millions, $ in Millions, $ in Millions, $ in Millions, $ in Millions, $ in Millions	JPY (¥)	USD ($)	AUD ($)	GBP (£)	SGD ($)	EUR (€)	NZD ($)	MXN ($)	CZK (Kč)	CHF (SFr)
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Japan, Yen
Derivative [Line Items]
Derivative, Notional Amount	¥ 876.0	$ 8.0
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | United Kingdom, Pounds
Derivative [Line Items]
Derivative, Notional Amount		7.0		£ 5.2
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | United States of America, Dollars
Derivative [Line Items]
Derivative, Notional Amount		39.8
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Euro Member Countries, Euro
Derivative [Line Items]
Derivative, Notional Amount		15.9				€ 13.3
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Australia, Dollars
Derivative [Line Items]
Derivative, Notional Amount		13.3	$ 16.8
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Czech Republic, Koruny
Derivative [Line Items]
Derivative, Notional Amount		5.8							Kč 123.7
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Mexico, Pesos
Derivative [Line Items]
Derivative, Notional Amount		5.2						$ 100.4
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | New Zealand, Dollars
Derivative [Line Items]
Derivative, Notional Amount		8.2					$ 11.3
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Singapore, Dollars
Derivative [Line Items]
Derivative, Notional Amount		21.9			$ 29.2
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Switzerland, Francs
Derivative [Line Items]
Derivative, Notional Amount		6.4								SFr 6.2
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | Japan, Yen
Derivative [Line Items]
Derivative, Notional Amount	16,996.8	154.9
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | United Kingdom, Pounds
Derivative [Line Items]
Derivative, Notional Amount		19.3		£ 14.4
July 2016 [Member]
Derivative [Line Items]
Derivative, Notional Amount	¥ 10,600.0	100.0
July 2016 [Member] | Currency Swap [Member]
Derivative [Line Items]
Derivative, Maturity Date	Oct. 01, 2024
March 2017 [Member]
Derivative [Line Items]
Derivative, Notional Amount	¥ 11,000.0	96.0
March 2017 [Member] | Currency Swap [Member]
Derivative [Line Items]
Derivative, Maturity Date	Apr. 01, 2027
May 2017 [Member]
Derivative [Line Items]
Derivative, Notional Amount	¥ 5,600.0	$ 50.0
May 2017 [Member] | Currency Swap [Member]
Derivative [Line Items]
Derivative, Maturity Date	Apr. 01, 2027