Commitments Lease Table (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2014	$ 8.5
2015	7.5
2016	7.1
2017	6.0
2018	5.6
2019 and thereafter	30.3
Contractual Obligation, Fiscal Year Maturity Schedule [Abstract]
2014	39.9
2015	38.6
2016	34.3
2017	30.1
2018	24.3
2019 and thereafter	66.6
Operating Leases, Rent Expense, Net [Abstract]
Operating Leases, Rent Expense, Minimum Rentals	15.4	$ 14.3	$ 14.1
Operating Leases, Rent Expense, Net	15.4	$ 14.3	$ 14.1
Present Value Leases [Member]
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2014	25.8
2015	26.7
2016	23.9
2017	21.8
2018	17.1
2019 and thereafter	31.8
Lease Interest [Member]
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2014	5.6
2015	4.4
2016	3.3
2017	2.3
2018	1.6
2019 and thereafter	$ 4.5