RESTRUCTURING CHARGES (Details 1) - USD ($) $ in Millions	12 Months Ended			110 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2019	Dec. 31, 2016
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 3.1	$ 8.2	$ 5.1	$ 3.1	$ 12.7
Restructuring charges	76.5	21.9	37.6	285.6
Amounts utilized	(81.6)	(18.8)	(45.2)
Employee severance and related benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	0.0	1.5	1.8	0.0	3.4
Restructuring charges	2.1	1.7	2.0	26.7
Amounts utilized	(3.6)	(2.0)	(3.6)
Lease and other contract termination costs
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	3.1	6.0	3.3	3.1	7.5
Restructuring charges	0.9	5.6	22.1	47.4
Amounts utilized	(3.8)	(2.9)	(26.3)
Employee relocation costs
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	0.0	0.0	0.0	0.0	0.0
Restructuring charges	0.0	0.0	0.3	7.7
Amounts utilized	0.0	0.0	(0.3)
Facility exit costs
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	0.0	0.7	0.0	0.0	1.8
Restructuring charges	14.6	12.0	11.7	56.6
Amounts utilized	(15.3)	(11.3)	(13.5)
Write-off of equipment and facility
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	0.0	0.0	0.0	0.0	$ 0.0
Restructuring charges	58.9	2.6	1.5	$ 143.1
Amounts utilized	$ (58.9)	$ (2.6)	$ (1.5)