Employee Benefit Plans (Net Periodic Benefit Cost Income) (Details) - Pension Plans, Defined Benefit - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Components of net periodic pension and other post retirement benefits cost
Service cost	$ 0.0	$ 0.1	$ 0.1
Interest cost	1.5	1.3	2.3
Expected return on assets	(1.5)	(1.7)	(2.9)
Amortization of net loss	0.0	0.1	0.2
Settlement loss recognized	0.2	0.0	0.7
Net periodic benefit cost (income)	$ 0.2	$ (0.2)	$ 0.4