PREPAID AND OTHER CURRENT ASSETS (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid assets	$ 71.4	$ 56.8
Prepaid income tax	188.1	185.8
Unbilled receivables	101.8	142.3
Value added tax and other consumption tax receivables	59.3	71.3
Other miscellaneous current assets	60.1	57.4
Prepaid and other current assets	$ 480.7	$ 513.6