Property, Plant and Equipment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 439.0	$ 445.1
Accumulated depreciation	(336.2)	(317.8)
Property, plant and equipment, net	102.8	127.3
Depreciation expense	49.7	46.7	$ 43.1
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	2.2	2.2
Buildings
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	77.5	80.2
Machinery and other equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	164.4	176.1
Computer equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	117.5	110.9
Software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 77.4	$ 75.7