Derivatives, Hedging Programs and Other Financial Instruments, Balance Sheet (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Derivative [Line Items]
Derivative Asset	$ 4.0	$ 4.3
Derivative Liability	(11.2)	(15.9)
Other Current Assets [Member]
Derivative [Line Items]
Derivative Asset	2.1	3.4
Other Assets [Member]
Derivative [Line Items]
Derivative Asset	1.9	0.9
Other Current Liabilities
Derivative [Line Items]
Derivative Liability	7.6	13.2
Other Noncurrent Liabilities [Member]
Derivative [Line Items]
Derivative Liability	$ 3.6	$ 2.7