Income Taxes (Reconciliation Between Federal Statutory Tax Rate and Effective Tax Rates) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Income tax at U.S. statutory rate	$ 15.1	$ 16.7	$ 14.3
Effect of state income taxes, net	0.6	0.7	0.2
Effect of foreign operations	3.5	(5.2)	(2.1)
Valuation allowance	(3.0)	5.3	0.5
Uncertain tax positions	(0.3)	(2.0)	(4.0)
Non-deductible items	0.5	0.5	0.6
Non-deductible compensation	0.8	0.4	0.8
Manufacturer's deduction	0.0	(0.8)	(0.5)
Foreign tax credit	(2.2)	0.0	0.0
GILTI	3.1	0.0	0.0
FDII	(0.6)	0.0	0.0
Net impact of TCJA	0.3	4.2	0.0
Other, net	(1.2)	(1.6)	(1.0)
Income tax expense	$ 16.6	$ 18.2	$ 8.8