Fair Value Measurements (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Mar. 31, 2020	Dec. 31, 2019
Financial Liabilities
Transfer of assets from level 1 to level 2	$ 0.0	$ 0.0
Transfer of assets from level 2 to level 1	0.0	0.0
Transfer of liabilities from level 1 to level 2	0.0	0.0
Transfer of liabilities from level 2 to level 1	0.0	0.0
Transfer of assets into level 3	0.0	0.0
Transfer of assets out of level 3	0.0	0.0
Transfer of liabilities into level 3	0.0	0.0
Transfer of liabilities out of level 3	0.0	0.0
Significant other observable inputs (Level 2) \| Recurring
Financial Liabilities
Derivative instrument	25.1	20.8
Liabilities	$ 2,045.2	$ 2,220.3

Fair value, after the effects of master netting arrangements, of a financial liability or 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 liabilities not subject to a master netting arrangement and not elected to be offset.

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