Hedging Instruments - Schedule of Notional Amounts of Outstanding Derivative Positions (Details) - Jan. 31, 2017 - Foreign Exchange Forward [Member] € in Millions, ₩ in Millions, ¥ in Millions, £ in Millions, SGD in Millions, SFr in Millions, NZD in Millions, MXN in Millions, $ in Millions	JPY (¥)	USD ($)	GBP (£)	SGD	EUR (€)	NZD	MXN	KRW (₩)	CHF (SFr)
Not Designated as Hedging Instrument [Member] | Japan, Yen
Derivative [Line Items]
Derivative, Notional Amount	¥ 952.8	$ 8.4
Not Designated as Hedging Instrument [Member] | United Kingdom, Pounds
Derivative [Line Items]
Derivative, Notional Amount		6.8	£ 5.5
Not Designated as Hedging Instrument [Member] | United States of America, Dollars
Derivative [Line Items]
Derivative, Notional Amount		58.3
Not Designated as Hedging Instrument [Member] | Euro Member Countries, Euro
Derivative [Line Items]
Derivative, Notional Amount		29.7			€ 28.0
Not Designated as Hedging Instrument [Member] | Korea (South), Won
Derivative [Line Items]
Derivative, Notional Amount		12.5						₩ 15,011.6
Not Designated as Hedging Instrument [Member] | Mexico, Pesos
Derivative [Line Items]
Derivative, Notional Amount		7.7					MXN 167.1
Not Designated as Hedging Instrument [Member] | New Zealand, Dollars
Derivative [Line Items]
Derivative, Notional Amount		8.4				NZD 11.7
Not Designated as Hedging Instrument [Member] | Singapore, Dollars
Derivative [Line Items]
Derivative, Notional Amount		17.7		SGD 25.1
Not Designated as Hedging Instrument [Member] | Switzerland, Francs
Derivative [Line Items]
Derivative, Notional Amount		4.2							SFr 4.3
Cash Flow Hedging [Member] | Japan, Yen
Derivative [Line Items]
Derivative, Notional Amount	¥ 16,669.0	156.1
Cash Flow Hedging [Member] | United Kingdom, Pounds
Derivative [Line Items]
Derivative, Notional Amount		$ 17.5	£ 13.3