Fair Value Disclosure Fair Value Disclosure - Impact of Cash Flow and Hedge Accounting Relationships (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Interest expense, net	$ (186.6)	$ (168.6)	$ (160.5)
Other (expense) income	(7.9)	(21.6)	(12.6)
Operating Lease, Expense	54.4	49.6	62.5
Interest Expense [Member]
Gain (loss) on fair value hedging relationships
Gain (loss) on non-designated derivative contracts		0.0	0.0
Interest Expense [Member] \| Interest Rate Contract [Member]
Gain (loss) on fair value hedging relationships
Hedged items	(9.0)	3.0	5.3
Derivatives designated as hedging instruments	9.0	(3.0)	(5.3)
Interest Expense [Member] \| Interest Rate Contract [Member] \| Cash Flow Hedging [Member]
Gain (loss) on fair value hedging relationships
Amount of gain (loss) reclassified from accumulated other comprehensive income into income	(2.5)	(4.2)	(6.8)
Interest Expense [Member] \| Foreign Exchange Contract [Member] \| Cash Flow Hedging [Member]
Gain (loss) on fair value hedging relationships
Amount of gain (loss) reclassified from accumulated other comprehensive income into income		0.0	0.0
Other (Income) Expense [Member]
Gain (loss) on fair value hedging relationships
Gain (loss) on non-designated derivative contracts	(1.7)	2.2	(8.0)
Other (Income) Expense [Member] \| Interest Rate Contract [Member]
Gain (loss) on fair value hedging relationships
Hedged items		0.0	0.0
Derivatives designated as hedging instruments		0.0	0.0
Other (Income) Expense [Member] \| Interest Rate Contract [Member] \| Cash Flow Hedging [Member]
Gain (loss) on fair value hedging relationships
Amount of gain (loss) reclassified from accumulated other comprehensive income into income		0.0	0.0
Other (Income) Expense [Member] \| Foreign Exchange Contract [Member] \| Cash Flow Hedging [Member]
Gain (loss) on fair value hedging relationships
Amount of gain (loss) reclassified from accumulated other comprehensive income into income	$ 14.3	11.7	(38.9)
Operating Expense [Member] \| Interest Rate Contract [Member] \| Cash Flow Hedging [Member]
Gain (loss) on fair value hedging relationships
Amount of gain (loss) reclassified from accumulated other comprehensive income into income		$ (0.1)	$ (0.1)

Change in Unrealized Gain (Loss) on Fair Value Value Hedge [Abstract]

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Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement.

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