EMPLOYEE BENEFIT PLANS (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Retirement Benefits [Abstract]
Expected employer contribution	$ 2.0
Components of net pension expense
Service cost	1.1	$ 1.0
Interest cost	1.9	2.2
Expected return on plan assets	(3.0)	(2.9)
Recognized net actuarial loss	1.0	0.8
Net pension expense	$ 1.0	$ 1.1