Segment Information, Property, Plant, and Equipment by Geographic Region (Details) - USD ($) $ in Millions		Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net		$ 356.6	$ 363.2	$ 358.4
Total Americas [Member] | Reportable Geographical Components [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net		206.2	205.2	205.1
United States [Member] | Reportable Geographical Components [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net		199.9	198.4	197.9
Other Americas [Member] | Reportable Geographical Components [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net		6.3	6.8	7.2
EMEA [Member] | Reportable Geographical Components [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net	[1]	126.3	132.3	125.3
Asia Pacific [Member] | Reportable Geographical Components [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net		$ 24.1	$ 25.7	$ 28.0

[1] Europe, Middle East, and Africa ("EMEA")