Derivative Financial Instruments and Hedging Activities - Schedule of Fair Value of Derivatives (Details) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Designated \| Cash Flow Hedging \| Interest rate swaps
Derivative [Line Items]
Notional	$ 2,050.0
Designated \| Cash Flow Hedging \| Other non-current assets \| Interest rate swaps
Derivative [Line Items]
Assets fair value	0.0	$ 0.0
Designated \| Cash Flow Hedging \| Other non-current liabilities \| Interest rate swaps
Derivative [Line Items]
Liabilities fair value	176.3	97.7
Non-Designated \| Foreign currency forward contracts
Derivative [Line Items]
Notional	538.8	498.2
Non-Designated \| Other non-current assets \| Foreign currency forward contracts
Derivative [Line Items]
Assets fair value	3.1	1.0
Non-Designated \| Other non-current liabilities \| Foreign currency forward contracts
Derivative [Line Items]
Liabilities fair value	$ 2.1	$ 2.2

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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