Property, Plant and Equipment - (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 692.9	$ 636.8
Less: accumulated depreciation	(402.6)	(375.2)
Property, Plant and Equipment, Net	290.3	261.6	$ 231.2
Land and improvements
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	23.7	24.7
Buildings
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	166.9	152.4
Machinery and equipment
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 502.3	$ 459.7