Derivatives - Derivatives by Balance Sheet Location (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Derivatives, Fair Value [Line Items]
Asset Derivatives	$ 11.2	$ 4.9
Liability Derivatives	11.3	10.1
Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Asset Derivatives	11.1	4.8
Liability Derivatives	11.3	10.1
Designated as Hedging Instrument | Interest rate contracts | Accounts receivable
Derivatives, Fair Value [Line Items]
Asset Derivatives	0.0
Designated as Hedging Instrument | Interest rate contracts | Other assets
Derivatives, Fair Value [Line Items]
Asset Derivatives	0.0	1.8
Designated as Hedging Instrument | Interest rate contracts | Accrued expenses
Derivatives, Fair Value [Line Items]
Liability Derivatives	0.2
Designated as Hedging Instrument | Interest rate contracts | Other liabilities
Derivatives, Fair Value [Line Items]
Liability Derivatives	0.0	0.0
Designated as Hedging Instrument | Foreign Exchange Contract | Accounts receivable
Derivatives, Fair Value [Line Items]
Asset Derivatives	4.8	2.0
Designated as Hedging Instrument | Foreign Exchange Contract | Other assets
Derivatives, Fair Value [Line Items]
Asset Derivatives	6.3	1.0
Designated as Hedging Instrument | Foreign Exchange Contract | Accrued expenses
Derivatives, Fair Value [Line Items]
Liability Derivatives	5.6	1.3
Designated as Hedging Instrument | Foreign Exchange Contract | Other liabilities
Derivatives, Fair Value [Line Items]
Liability Derivatives	5.5	8.8
Derivatives not designated as hedges
Derivatives, Fair Value [Line Items]
Asset Derivatives	0.1	0.1
Liability Derivatives	0.0	0.0
Derivatives not designated as hedges | Foreign Exchange Contract | Accounts receivable
Derivatives, Fair Value [Line Items]
Asset Derivatives	0.1	0.1
Derivatives not designated as hedges | Foreign Exchange Contract | Accounts payable
Derivatives, Fair Value [Line Items]
Liability Derivatives	$ 0.0	$ 0.0