FAIR VALUE- Assets and Liabilities (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Assets:
Available-for-sale securities		$ 4.2
Foreign exchange forward contracts	$ 0.4	2.8
Total	0.4	7.0
Liabilities:
Foreign exchange forward contracts	0.1	6.0
Total	0.1	6.0
Level 1
Assets:
Available-for-sale securities		4.2
Foreign exchange forward contracts	0.0	0.0
Total	0.0	4.2
Liabilities:
Foreign exchange forward contracts	0.0	0.0
Total	0.0	0.0
Level 2
Assets:
Available-for-sale securities		0.0
Foreign exchange forward contracts	0.4	2.8
Total	0.4	2.8
Liabilities:
Foreign exchange forward contracts	0.1	6.0
Total	$ 0.1	$ 6.0