PREPAID EXPENSES AND OTHER (Details) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid expenses	$ 43.3	$ 34.6
Other	70.1	54.2
Prepaid expenses and other	$ 113.4	$ 88.8	[1]

[1] Adjusted as a result of the adoption of certain accounting pronouncements as of December 31, 2017. See Note 1, "Description of Business and Summaryof Significant Accounting Policies - Recently Adopted Accounting Pronouncements," for details of these adjustments.