RETIREMENT PLANS AND OTHER BENEFITS (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Other Plans
Components of net periodic cost:
Service cost	$ 0.0	$ 0.0	$ 0.0	$ 0.0
Interest cost	0.0	0.0	0.1	0.0
Expected return on plan assets	0.0	0.0	0.0	0.0
Amortization of actuarial loss	0.0	0.0	0.0	0.0
Other costs	0.0	0.0	0.0	0.0
Net periodic cost	0.0	0.0	0.1	0.0
U.S. Plan | Pension Plan
Components of net periodic cost:
Service cost	0.0	0.1	0.1	0.3
Interest cost	0.5	1.2	1.3	3.5
Expected return on plan assets	0.0	(1.5)	0.0	(4.5)
Amortization of actuarial loss	(0.1)	0.8	(0.4)	2.5
Other costs	0.0	0.0	0.0	0.0
Net periodic cost	0.4	0.6	1.0	1.8
Non-U.S. Plan | Pension Plan
Components of net periodic cost:
Service cost	0.4	0.3	1.1	1.0
Interest cost	0.8	0.9	2.6	2.8
Expected return on plan assets	(1.1)	(1.3)	(3.5)	(4.0)
Amortization of actuarial loss	0.4	0.4	1.2	1.1
Other costs	0.0	0.0	0.0	0.2
Net periodic cost	$ 0.5	$ 0.3	$ 1.4	$ 1.1