Face (par) amount of debt instrument at time of issuance.

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

Long-Term Debt - Senior Notes (Details) - Senior Notes $ in Millions	Dec. 31, 2021 EUR (€)	May 31, 2018 EUR (€)	May 31, 2018 USD ($)
4.25% Senior Notes
Debt Instrument [Line Items]
Debt instrument interest rate	4.25%
Senior note face amount	€ 400,000,000
5.25% Senior Notes
Debt Instrument [Line Items]
Debt instrument interest rate	5.25%	5.25%	5.25%
Senior note face amount		€ 290,000,000	$ 329.8