POSTRETIREMENT BENEFITS (Details 1) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	$ 2,667.8	$ 2,883.3
Service cost	11.3	11.1
Interest cost	94.7	86.3	$ 86.6
Actuarial loss (gain)	364.1	(161.7)
Benefits paid	(139.3)	(136.9)
Foreign currency translation adjustments	(1.8)	(15.1)
Benefit obligation at end of year	2,997.8	2,667.8	2,883.3
Other Postretirement Benefit Plans, Defined Benefit
Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	47.0	50.8
Service cost	1.1	1.3	1.1
Interest cost	1.7	1.5	1.5
Actuarial loss (gain)	6.2	(2.1)
Benefits paid	(3.8)	(3.6)
Foreign currency translation adjustments	0.5	(0.9)
Benefit obligation at end of year	52.7	47.0	50.8
Funded status	(52.7)	(47.0)
U.S. | Other Postretirement Benefit Plans, Defined Benefit
Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	37.5	40.6
Service cost	0.8	0.9
Interest cost	1.4	1.2
Actuarial loss (gain)	5.5	(2.0)
Benefits paid	(3.4)	(3.2)
Foreign currency translation adjustments	0.0	0.0
Benefit obligation at end of year	41.8	37.5	40.6
Funded status	(41.8)	(37.5)
Foreign | Other Postretirement Benefit Plans, Defined Benefit
Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	9.5	10.2
Service cost	0.3	0.4
Interest cost	0.3	0.3
Actuarial loss (gain)	0.7	(0.1)
Benefits paid	(0.4)	(0.4)
Foreign currency translation adjustments	0.5	(0.9)
Benefit obligation at end of year	10.9	9.5	$ 10.2
Funded status	$ (10.9)	$ (9.5)