Derivative Instruments Fair Value of Derivative Assets and Liabilities (Details) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Derivative [Line Items]
Derivative assets:	$ 119.5	$ 89.0
Derivative liabilities:	8.0	0.5
Designated derivatives:
Derivative [Line Items]
Derivative assets:	118.4	88.8
Derivative liabilities:	7.9	0.4
Other current assets | Designated derivatives: | Foreign exchange contracts
Derivative [Line Items]
Derivative assets:	23.4	27.8
Other current assets | Non-designated derivatives
Derivative [Line Items]
Derivative assets:	1.1	0.2
Other long-term assets | Designated derivatives: | Foreign exchange contracts
Derivative [Line Items]
Derivative assets:	7.8	10.0
Other long-term assets | Designated derivatives: | Interest rate lock contracts
Derivative [Line Items]
Derivative assets:	86.6	30.7
Other long-term assets | Designated derivatives: | Interest rate swap contracts
Derivative [Line Items]
Derivative assets:	0.6	20.3
Other accrued liabilities | Designated derivatives: | Foreign exchange contracts
Derivative [Line Items]
Derivative liabilities:	3.2	0.2
Other accrued liabilities | Non-designated derivatives
Derivative [Line Items]
Derivative liabilities:	0.1	0.1
Other long-term liabilities | Designated derivatives: | Foreign exchange contracts
Derivative [Line Items]
Derivative liabilities:	3.4	0.2
Other long-term liabilities | Designated derivatives: | Interest rate swap contracts
Derivative [Line Items]
Derivative liabilities:	$ 1.3	$ 0.0