Goodwill and Intangible Assets (Schedule of Goodwill) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2016 USD ($)
Gross balance at period start	$ 181.6
Accumulated impairments at period start	(89.3)
Net balance at period start	92.3
Foreign exchange	1.3
Gross balance at period end	182.9
Accumulated impairments at period end	(89.3)
Net balance at period end	93.6
EMEA Segment [Member]
Gross balance at period start	27.7
Accumulated impairments at period start	(6.9)
Net balance at period start	20.8
Foreign exchange	(2.1)
Gross balance at period end	25.6
Accumulated impairments at period end	(6.9)
Net balance at period end	18.7
South Latin America Segment [Member]
Gross balance at period start	68.9
Accumulated impairments at period start	0.0
Net balance at period start	68.9
Foreign exchange	3.4
Gross balance at period end	72.3
Accumulated impairments at period end	0.0
Net balance at period end	72.3
Asia Pacific Segment [Member]
Gross balance at period start	85.0
Accumulated impairments at period start	(82.4)
Net balance at period start	2.6
Foreign exchange	0.0
Gross balance at period end	85.0
Accumulated impairments at period end	(82.4)
Net balance at period end	$ 2.6