Segment Information - Textuals (Details) $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($) Segment	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Segment Reporting Information [Line Items]
Revenue	$ 2,477.8	$ 2,846.4	$ 2,745.1
Property, Plant and Equipment, Net	$ 525.1	531.5
Number of reportable segments | Segment	3
United States
Segment Reporting Information [Line Items]
Revenue	$ 811.0	989.4	887.0
Property, Plant and Equipment, Net	141.8	158.7
Germany
Segment Reporting Information [Line Items]
Revenue	334.9	391.2	$ 412.5
Italy
Segment Reporting Information [Line Items]
Property, Plant and Equipment, Net	$ 108.2	$ 95.7