Segment Information (Operating Profit) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Segment Reporting Information [Line Items]
Operating profit	$ 1.3	$ 97.7	$ 30.5	$ (3.9)	$ (49.6)	$ 186.9	$ 53.0	$ 44.9	$ 125.6	$ 235.2	$ 281.3	$ 323.8
CTI restructuring initiatives	$ (22.6)	$ (17.5)	$ (45.7)	$ (53.5)	$ (126.1)	$ (19.8)	$ (23.7)	$ (10.9)	(139.3)	(180.5)	(60.2)
Loss contingency									0.0	0.0	(18.2)
Other expenses									(64.3)	0.0	0.0
Brazil IPI tax release
Segment Reporting Information [Line Items]
Revenues									68.0	168.0
Operating Segments
Segment Reporting Information [Line Items]
Operating profit									577.4	694.5	659.5
Operating Segments | Europe, Middle East & Africa
Segment Reporting Information [Line Items]
Operating profit									225.6	267.5	329.6
Operating Segments | South Latin America
Segment Reporting Information [Line Items]
Operating profit									240.6	314.6	195.7
Operating Segments | North Latin America
Segment Reporting Information [Line Items]
Operating profit									65.8	70.4	83.4
Operating Segments | Asia Pacific
Segment Reporting Information [Line Items]
Operating profit									45.4	42.0	50.8
Other operating segments and business activities(3)
Segment Reporting Information [Line Items]
Operating profit									2.4	3.6	2.5
Global
Segment Reporting Information [Line Items]
Unallocated global expenses									$ (250.6)	$ (282.4)	$ (302.3)