Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e637-108580

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14
-URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e681-108580

Name:	us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Hedging Activities and Fair Value Measurements, Investment in Consolidated Subsidiaries with Functional Currencies Other than USD (Details) € in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2020 USD ($)	Mar. 31, 2019 USD ($)	Mar. 31, 2020 EUR (€)	Feb. 28, 2020 EUR (€)	Aug. 17, 2017 EUR (€)
Derivative, Fair Value, Net [Abstract]
Long-term debt hedged \| €					€ 615.0
Euro Term Loan [Member]
Derivative, Fair Value, Net [Abstract]
Long-term debt hedged \| €			€ 600.4	€ 601.2
Interest Rate Swap Contracts [Member]
Changes in the value of debt and designated interest rate swaps [Abstract]
Gain, net of income tax, recorded through other comprehensive (loss) income \| $	$ 8.2	$ 11.6
Balance included in accumulated other comprehensive (loss) income as of March 31, 2020 and 2019, respectively \| $	$ 83.0	$ 68.2