Segment Information Plant, Property and Equipment by Region (Details) - USD ($) $ in Millions		Dec. 31, 2018	Dec. 31, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, Plant and Equipment, Net		$ 518.8	$ 521.7
North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, Plant and Equipment, Net	[1]	193.4	203.5
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, Plant and Equipment, Net	[2]	228.3	223.2
Asia Pacific [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, Plant and Equipment, Net		91.8	88.1
Middle East [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, Plant and Equipment, Net		0.6	0.8
South America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, Plant and Equipment, Net		$ 4.7	$ 6.1

[1] (a)Includes $159.7 and $168.3, in the United States as of December 31, 2018 and 2017, respectively.

[2] (b)Includes $101.0 and $102.9, in Italy as of December 31, 2018 and 2017, respectively.