PREPAID EXPENSES AND OTHER CURRENT ASSETS (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid expenses	$ 81.3	$ 104.8
Deposits	40.4	28.2
Fair value of derivatives	28.9	21.3
Other current assets	100.7	123.3
Prepaid expenses and other current assets	$ 251.3	$ 277.6