Derivatives - Assets and Liabilities (Details) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Assets	$ 2.3	$ 8.1
Derivative Liabilities	67.9	37.0
Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Assets	1.7	7.2
Derivative Liabilities	58.1	32.5
Not Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Assets	0.6	0.9
Derivative Liabilities	9.8	4.5
Prepaid expenses and other current assets | Foreign Exchange Contract | Not Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Assets	0.5	0.5
Prepaid expenses and other current assets | Cross-currency swap contracts | Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Assets	1.7	7.2
Prepaid expenses and other current assets | Cross-currency swap contracts | Not Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Assets	0.1	0.4
Prepaid expenses and other current assets | Interest rate swap contracts | Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Assets	0.0	0.0
Prepaid expenses and other current assets | Interest rate swap contracts | Not Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Assets	0.0	0.0
Other long-term liabilities | Cross-currency swap contracts | Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Liabilities	11.5	12.1
Other long-term liabilities | Cross-currency swap contracts | Not Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Liabilities	0.6	0.6
Other long-term liabilities | Interest rate swap contracts | Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Liabilities	27.8	14.0
Other long-term liabilities | Interest rate swap contracts | Not Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Liabilities	4.9	1.9
Other accrued expenses | Foreign Exchange Contract | Not Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Liabilities	0.8	1.0
Other accrued expenses | Interest rate swap contracts | Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Liabilities	18.8	6.4
Other accrued expenses | Interest rate swap contracts | Not Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Liabilities	3.5	1.0
Other assets | Interest rate swap contracts | Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Assets	0.0	0.0
Other assets | Interest rate swap contracts | Not Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Assets	$ 0.0	$ 0.0