Segment Information Plant, Property and Equipment by Region (Details) - USD ($) $ in Millions		Dec. 31, 2019	Dec. 31, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, Plant and Equipment, Net		$ 531.5	$ 518.8
North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, Plant and Equipment, Net	[1]	192.2	193.4
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, Plant and Equipment, Net	[2]	250.0	228.3
Asia Pacific [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, Plant and Equipment, Net		84.6	91.8
Middle East [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, Plant and Equipment, Net		0.4	0.6
South America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, Plant and Equipment, Net		$ 4.3	$ 4.7

[1] (a) Includes $158.7 and $159.7, in the United States as of December 31, 2019 and 2018, respectively.

[2] (b) Includes $95.7 and $101.0, in Italy as of December 31, 2019 and 2018, respectively.