FAIR VALUE- Assets and Liabilities (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Assets:
Available-for-sale securities	$ 4.1	$ 4.2
Foreign exchange forward contracts	1.4	2.8
Total Assets	5.5	7.0
Liabilities:
Foreign exchange forward contracts	0.5	6.0
Total Liabilities	0.5	6.0
Level 1
Assets:
Available-for-sale securities	4.1	4.2
Foreign exchange forward contracts	0.0	0.0
Total Assets	4.1	4.2
Liabilities:
Foreign exchange forward contracts	0.0	0.0
Total Liabilities	0.0	0.0
Level 2
Assets:
Available-for-sale securities	0.0	0.0
Foreign exchange forward contracts	1.4	2.8
Total Assets	1.4	2.8
Liabilities:
Foreign exchange forward contracts	0.5	6.0
Total Liabilities	$ 0.5	$ 6.0