FAIR VALUE MEASUREMENTS (Details) - Recurring - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Carrying Amount
Assets:
Foreign currency forward contracts	$ 72.3	$ 45.8
Liabilities:
Foreign currency forward contracts	41.1	153.1
Interest rate swap contracts	0.2	4.2
Level 2
Assets:
Foreign currency forward contracts	72.3	45.8
Liabilities:
Foreign currency forward contracts	41.1	153.1
Interest rate swap contracts	$ 0.2	$ 4.2