Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount		$ 1.1
Income Before Income Taxes	$ 21.3	9.5	$ 26.0	$ 29.3
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount	4.5	2.0	5.5	6.2
Effective Income Tax Rate Reconciliation, Interim Adjustment, Amount	0.0	0.2	0.4	0.5
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount	(0.4)	0.4	(0.4)	0.7
Other Tax Expense (Benefit)	(0.3)	(1.2)	(0.4)	(1.3)
Income tax provision	$ 4.4	$ 3.8	$ 5.9	$ 8.7
Effective Income Tax Rate Reconciliation, Percent	20.70%	40.00%	22.70%	29.70%