GOODWILL AND OTHER INTANGIBLE ASSETS (Changes in the Carrying Value of Goodwill) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 5,638.4	$ 5,070.7
Additions	48.2	486.1
Effect of foreign currency translation	(184.7)	81.6
Goodwill, ending balance	5,501.9	5,638.4
Services
Goodwill [Roll Forward]
Goodwill, beginning balance	2.0	2.0
Additions	0.0	0.0
Effect of foreign currency translation	0.0	0.0
Goodwill, ending balance	2.0	2.0
U.S. | Property
Goodwill [Roll Forward]
Goodwill, beginning balance	3,379.2	3,379.2
Additions	3.3	0.0
Effect of foreign currency translation	0.0	0.0
Goodwill, ending balance	3,382.5	3,379.2
Asia | Property
Goodwill [Roll Forward]
Goodwill, beginning balance	1,095.0	1,029.3
Additions	44.5	0.4
Effect of foreign currency translation	(94.0)	65.3
Goodwill, ending balance	1,045.5	1,095.0
EMEA | Property
Goodwill [Roll Forward]
Goodwill, beginning balance	404.9	150.5
Additions	0.0	220.9
Effect of foreign currency translation	(23.6)	33.5
Goodwill, ending balance	381.3	404.9
Latin America | Property
Goodwill [Roll Forward]
Goodwill, beginning balance	757.3	509.7
Additions	0.4	264.8
Effect of foreign currency translation	(67.1)	(17.2)
Goodwill, ending balance	690.6	757.3
2017 Acquisitions
Goodwill [Roll Forward]
Additions		485.1
Goodwill, measurement period adjustments		$ 1.0
2018 Acquisitions [Member]
Goodwill [Roll Forward]
Additions	47.8
Goodwill, measurement period adjustments	$ 0.4