Derivative Instruments Fair Value of Derivative Assets and Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Derivative [Line Items]
Derivative assets:	$ 57.7	$ 2.5
Derivative liabilities:	2.2	9.9
Designated derivatives:
Derivative [Line Items]
Derivative assets:	57.6	2.5
Derivative liabilities:	2.0	9.7
Other current assets | Designated derivatives: | Foreign exchange contracts
Derivative [Line Items]
Derivative assets:	12.1	2.2
Other current assets | Non-designated derivatives
Derivative [Line Items]
Derivative assets:	0.1	0.0
Other accrued liabilities | Designated derivatives: | Foreign exchange contracts
Derivative [Line Items]
Derivative liabilities:	1.8	6.6
Other accrued liabilities | Non-designated derivatives
Derivative [Line Items]
Derivative liabilities:	0.2	0.2
Other long-term liabilities | Designated derivatives: | Foreign exchange contracts
Derivative [Line Items]
Derivative liabilities:	0.2	0.0
Other long-term liabilities | Designated derivatives: | Interest rate swap contracts
Derivative [Line Items]
Derivative liabilities:	0.0	3.1
Other long-term assets | Designated derivatives: | Foreign exchange contracts
Derivative [Line Items]
Derivative assets:	8.7	0.3
Other long-term assets | Designated derivatives: | Interest rate lock contracts
Derivative [Line Items]
Derivative assets:	10.9	0.0
Other long-term assets | Designated derivatives: | Interest rate swap contracts
Derivative [Line Items]
Derivative assets:	$ 25.9	$ 0.0