SEGMENT INFORMATION (Total Revenue and Operating Profit by Reporting Segment) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Segment Reporting Information [Line Items]
Total revenue	$ 1,186.9	$ 1,393.5
Operating (loss) profit	(3.9)	44.9
CTI restructuring initiatives	(43.2)	(10.9)
Other expense, net	22.6	(2.5)
Reportable segments
Segment Reporting Information [Line Items]
Total revenue	1,181.4	1,372.5
Operating (loss) profit	116.2	132.8
Other Operating Segments and Business Activities
Segment Reporting Information [Line Items]
Total revenue	5.5	21.0
Operating (loss) profit	0.6	2.2
All other
Segment Reporting Information [Line Items]
Unallocated global expenses	(63.1)	(79.2)
CTI restructuring initiatives	(53.5)	(10.9)
Other expense, net	(4.1)	0.0
Europe, Middle East & Africa | Reportable segments
Segment Reporting Information [Line Items]
Total revenue	458.7	568.4
Operating (loss) profit	59.2	74.4
South Latin America | Reportable segments
Segment Reporting Information [Line Items]
Total revenue	414.7	497.1
Operating (loss) profit	23.8	27.2
North Latin America | Reportable segments
Segment Reporting Information [Line Items]
Total revenue	192.7	195.6
Operating (loss) profit	16.5	20.8
Asia Pacific | Reportable segments
Segment Reporting Information [Line Items]
Total revenue	115.3	111.4
Operating (loss) profit	$ 16.7	$ 10.4