Employee Benefit Plans (Components of OCI) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019		Dec. 31, 2018		Dec. 31, 2017
Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss) [Abstract]
Total recognized in other comprehensive (income) loss	$ 3.3		$ 1.5		$ (1.1)
Classified in accumulated other comprehensive loss	(10.8)		(7.5)
Amounts that will be amortized from accumulated other comprehensive income in next fiscal year	0.3
Pension Plans, Defined Benefit
Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss) [Abstract]
Net (gain) loss	3.5		1.6		(0.2)
Amortization of actual gains	(0.2)	[1]	(0.1)	[1]	(0.9)
Total recognized in other comprehensive (income) loss	3.3		1.5		$ (1.1)
Classified in accumulated other comprehensive loss	$ 10.8		$ 7.5

[1] This accumulated other comprehensive loss component is included in the computation of net periodic pension cost. Please read Note 15 - “Employee Benefit Plans” for additional information.