Financial Instruments Schedule of the Fair Values of Derivative Instruments (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Derivatives, Fair Value [Line Items]
Derivative asset fair value	$ 6.4	$ 1.1
Derivative liability fair value	6.0	7.2
Significant Other Observable Inputs (Level 2) [Member]
Derivatives, Fair Value [Line Items]
Derivative asset fair value	6.4	1.1
Derivative liability fair value	6.0	7.2
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative asset fair value	0.6	0.1
Derivative liability fair value	4.2	3.9
Foreign Exchange Contract [Member] | Nondesignated [Member]
Derivatives, Fair Value [Line Items]
Derivative asset fair value	5.8	1.0
Derivative liability fair value	$ 1.8	$ 3.3