BENEFIT PLANS - COMPONENTS OF NET PERIODIC BENEFIT COST (Details) - Defined Benefit Plans - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Interest cost	$ 1.7	$ 1.7
Expected return on plan assets	(1.4)	(1.1)
Amortization of net actuarial loss	1.7	1.6
Net periodic benefit cost	6.2	6.0
Cost of products sold
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service cost	1.8	1.7
Selling, general and administrative expenses
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service cost	$ 2.4	$ 2.1