POSTRETIREMENT BENEFITS (Details 2) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Amounts recognized in consolidated balance sheet [Abstract]
Accrued benefit in current liabilities	$ (0.8)	$ (0.5)
Accrued benefit in noncurrent liabilities	(797.7)	(674.3)
Accumulated other comprehensive loss	1,003.2	852.5
Net balance sheet impact	204.7	177.7
Other Postretirement Benefit Plans, Defined Benefit
Amounts recognized in consolidated balance sheet [Abstract]
Accrued benefit in current liabilities	(3.7)	(3.9)
Accrued benefit in noncurrent liabilities	(49.0)	(43.1)
Accumulated other comprehensive loss	25.2	21.1
Net balance sheet impact	(27.5)	(25.9)
Foreign | Other Postretirement Benefit Plans, Defined Benefit
Amounts recognized in consolidated balance sheet [Abstract]
Accrued benefit in current liabilities	(0.4)	(0.3)
Accrued benefit in noncurrent liabilities	(10.5)	(9.2)
Accumulated other comprehensive loss	1.7	1.0
Net balance sheet impact	(9.2)	(8.5)
U.S. | Other Postretirement Benefit Plans, Defined Benefit
Amounts recognized in consolidated balance sheet [Abstract]
Accrued benefit in current liabilities	(3.3)	(3.6)
Accrued benefit in noncurrent liabilities	(38.5)	(33.9)
Accumulated other comprehensive loss	23.5	20.1
Net balance sheet impact	$ (18.3)	$ (17.4)