Property, Plant and Equipment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment
Total property, plant and equipment, gross	$ 664.3	$ 630.4
Less: accumulated depreciation	(249.8)	(232.6)
Property, plant and equipment, net	414.5	397.8
Land and buildings
Property, Plant and Equipment
Total property, plant and equipment, gross	$ 346.5	323.0
Land and buildings | Minimum
Property, Plant and Equipment
Property plant and equipment, useful life	20 years
Land and buildings | Maximum
Property, Plant and Equipment
Property plant and equipment, useful life	35 years
Machinery and equipment
Property, Plant and Equipment
Total property, plant and equipment, gross	$ 214.4	198.6
Machinery and equipment | Minimum
Property, Plant and Equipment
Property plant and equipment, useful life	3 years
Machinery and equipment | Maximum
Property, Plant and Equipment
Property plant and equipment, useful life	12 years
Computer equipment, furniture and fixtures
Property, Plant and Equipment
Total property, plant and equipment, gross	$ 40.8	45.5
Computer equipment, furniture and fixtures | Minimum
Property, Plant and Equipment
Property plant and equipment, useful life	3 years
Computer equipment, furniture and fixtures | Maximum
Property, Plant and Equipment
Property plant and equipment, useful life	7 years
Right-of-use assets
Property, Plant and Equipment
Right-of-use assets	$ 44.4	42.3
Construction in process
Property, Plant and Equipment
Total property, plant and equipment, gross	$ 18.2	$ 21.0