FAIR VALUE MEASUREMENTS (Details) - Recurring - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Carrying Amount
Assets:
Foreign currency forward contracts	$ 21.3	$ 45.8
Liabilities:
Foreign currency forward contracts	199.7	153.1
Interest rate swap contracts	5.4	4.2
Level 2
Assets:
Foreign currency forward contracts	21.3	45.8
Liabilities:
Foreign currency forward contracts	199.7	153.1
Interest rate swap contracts	$ 5.4	$ 4.2