Hedging Instruments - Schedule of Notional Amounts of Outstanding Derivative Positions (Details) - Jan. 31, 2020 € in Millions, ₩ in Millions, ¥ in Millions, £ in Millions, kr in Millions, Kč in Millions, $ in Millions, $ in Millions, $ in Millions, $ in Millions	JPY (¥)	GBP (£)	AUD ($)	SGD ($)	EUR (€)	DKK (kr)	CZK (Kč)	KRW (₩)	USD ($)	NZD ($)
Foreign Exchange Forward | Not Designated as Hedging Instrument | Japan, Yen
Derivative [Line Items]
Derivative, notional amount	¥ 2,320.5								$ 21.2
Foreign Exchange Forward | Not Designated as Hedging Instrument | United States of America, Dollars
Derivative [Line Items]
Derivative, notional amount									130.0
Foreign Exchange Forward | Not Designated as Hedging Instrument | Euro Member Countries, Euro
Derivative [Line Items]
Derivative, notional amount					€ 6.8				7.6
Foreign Exchange Forward | Not Designated as Hedging Instrument | Australia, Dollars
Derivative [Line Items]
Derivative, notional amount			$ 23.2						15.7
Foreign Exchange Forward | Not Designated as Hedging Instrument | Czech Republic, Koruny
Derivative [Line Items]
Derivative, notional amount							Kč 142.7		6.1
Foreign Exchange Forward | Not Designated as Hedging Instrument | New Zealand, Dollars
Derivative [Line Items]
Derivative, notional amount									6.8	$ 10.2
Foreign Exchange Forward | Not Designated as Hedging Instrument | Singapore, Dollars
Derivative [Line Items]
Derivative, notional amount				$ 20.9					15.2
Foreign Exchange Forward | Not Designated as Hedging Instrument | China, Yuan Renminbi
Derivative [Line Items]
Derivative, notional amount								₩ 361.2	51.6
Foreign Exchange Forward | Not Designated as Hedging Instrument | Canada, Dollars
Derivative [Line Items]
Derivative, notional amount						kr 15.9			12.2
Foreign Exchange Forward | Not Designated as Hedging Instrument | Switzerland, Francs
Derivative [Line Items]
Derivative, notional amount						kr 52.6			7.8
Foreign Exchange Forward | Not Designated as Hedging Instrument | Korea (South), Won
Derivative [Line Items]
Derivative, notional amount								₩ 29,019.0	24.8
Foreign Exchange Forward | Cash Flow Hedging | Japan, Yen
Derivative [Line Items]
Derivative, notional amount	19,917.3								187.4
Foreign Exchange Forward | Cash Flow Hedging | United Kingdom, Pounds
Derivative [Line Items]
Derivative, notional amount		£ 13.2							17.1
July 2016
Derivative [Line Items]
Derivative, notional amount	10,620,000.0								100.0
March 2017
Derivative [Line Items]
Derivative, notional amount	11,000,000.0								96.1
May 2017
Derivative [Line Items]
Derivative, notional amount	¥ 5,634,500.0								50.0
August 2019
Derivative [Line Items]
Derivative, notional amount					€ 21,100.0				$ 23.6