Derivatives and Hedging - Narrative (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Dec. 31, 2018 USD ($) swap	Aug. 31, 2018 USD ($) swap
Derivative [Line Items]
Unrealized loss	$ (0.2)	$ 1.9	$ 3.2	$ 2.9
Net Investment Hedging | Cross Currency Swaps
Derivative [Line Items]
Notional amount					$ 250.0
Unrealized (loss) gains	(2.8)	0.3	6.0	4.9
Cash Flow Hedging | Interest Rate Swap
Derivative [Line Items]
Notional amount						$ 150.0
Number of interest rate swaps | swap						2
Floating rate debt						$ 150.0
Floating rate						2.732%
Unrealized loss	(0.2)	1.9	3.2	2.9
Interest expense, net | Net Investment Hedging | Cross Currency Swaps
Derivative [Line Items]
Number of cross currency swaps | swap					6
Conversion benefit	2.0	2.0	4.1	4.1
Interest expense, net | Cash Flow Hedging | Interest Rate Swap
Derivative [Line Items]
Expense recognized	$ 0.8	$ 0.1	$ 1.2	$ 0.2