RETIREMENT PLANS AND OTHER BENEFITS (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Other Plans
Components of net periodic cost:
Service cost	$ 0.0	$ 0.0	$ 0.0	$ 0.0
Interest cost	0.1	0.1	0.1	0.1
Expected return on plan assets	0.0	0.0	0.0	0.0
Amortization of actuarial (gain) loss	0.0	0.0	0.0	0.0
Net periodic cost	0.1	0.1	0.1	0.1
U.S. Plan | Pension Plan
Components of net periodic cost:
Service cost	0.0	0.1	0.0	0.1
Interest cost	0.4	0.4	0.7	0.8
Expected return on plan assets	0.0	0.0	0.0	0.0
Amortization of actuarial (gain) loss	0.0	(0.2)	0.0	(0.3)
Net periodic cost	0.4	0.3	0.7	0.6
Non-U.S. Plan | Pension Plan
Components of net periodic cost:
Service cost	0.3	0.3	0.6	0.7
Interest cost	0.6	0.9	1.3	1.8
Expected return on plan assets	(1.3)	(1.2)	(2.6)	(2.4)
Amortization of actuarial (gain) loss	0.5	0.4	1.0	0.8
Net periodic cost	$ 0.1	$ 0.4	$ 0.3	$ 0.9