Derivatives - Forward Notional Contracts (Details) - Foreign currency forward contracts $ in Millions	Sep. 30, 2020 USD ($) DerivativeInstrument	Dec. 31, 2019 USD ($)
Designated as hedging instrument \| Derivatives designated as cash flow hedges
Derivative [Line Items]
Average number of contracts entered into per month \| DerivativeInstrument	150
Aggregate notional amount of derivative \| $	$ 139.6	$ 212.5
Not designated as hedging instrument \| Fair Value Hedging
Derivative [Line Items]
Average number of contracts entered into per month \| DerivativeInstrument	20
Aggregate notional amount of derivative \| $	$ 80.3	$ 65.0

Nominal or face amount used to calculate payment on derivative.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959

Name:	us-gaap_DerivativeNotionalAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant