COMPREHENSIVE INCOME (LOSS) - RECLASSIFICATION OUT OF ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Reclassification of Acuumulated Other Comprehensive Income [Line Items]
Interest expense	$ (6.7)	$ (8.4)
Cost of products sold	(406.5)	(446.5)
Other expense (income), net	1.4	13.8
Net loss before tax	(129.7)	53.8
Tax impact	(10.2)	(14.6)
Net (loss) income	(139.9)	39.2
Amortization of prior service benefits
Reclassification of Acuumulated Other Comprehensive Income [Line Items]
Other expense (income), net	0.1	0.1
Amounts Reclassified from AOCI
Reclassification of Acuumulated Other Comprehensive Income [Line Items]
Net (loss) income	(1.3)	(1.1)
Amounts Reclassified from AOCI | Loss on derivative financial instruments
Reclassification of Acuumulated Other Comprehensive Income [Line Items]
Net (loss) income	0.3	(0.2)
Amounts Reclassified from AOCI | Loss on derivative financial instruments | Interest rate swaps
Reclassification of Acuumulated Other Comprehensive Income [Line Items]
Interest expense	(0.5)	(0.6)
Amounts Reclassified from AOCI | Loss on derivative financial instruments | Foreign exchange forward contracts
Reclassification of Acuumulated Other Comprehensive Income [Line Items]
Cost of products sold	0.8	0.4
Amounts Reclassified from AOCI | Pension Liability Gain (Loss)
Reclassification of Acuumulated Other Comprehensive Income [Line Items]
Net loss before tax	(2.1)	(1.3)
Tax impact	0.5	0.4
Net (loss) income	(1.6)	(0.9)
Amounts Reclassified from AOCI | Amortization of net actuarial losses
Reclassification of Acuumulated Other Comprehensive Income [Line Items]
Other expense (income), net	$ (2.2)	$ (1.4)