RESTRUCTURING CHARGES (Details 1) - USD ($) $ in Millions	12 Months Ended			98 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2018	Dec. 31, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 8.2	$ 5.1	$ 12.7	$ 8.2	$ 6.7
Restructuring charges	21.9	37.6	112.9	209.1
Amounts utilized	(18.8)	(45.2)	(106.9)
Employee severance and related benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	1.5	1.8	3.4	1.5	4.6
Restructuring charges	1.7	2.0	5.1	24.6
Amounts utilized	(2.0)	(3.6)	(6.3)
Lease and other contract termination costs
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	6.0	3.3	7.5	6.0	2.1
Restructuring charges	5.6	22.1	13.6	46.5
Amounts utilized	(2.9)	(26.3)	(8.2)
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	0.3	2.1	7.7
Amounts utilized	0.0	(0.3)	(2.1)
Facility exit costs
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	0.7	0.0	1.8	0.7	0.0
Restructuring charges	12.0	11.7	15.5	42.0
Amounts utilized	(11.3)	(13.5)	(13.7)
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	2.6	1.5	76.6	$ 84.2
Amounts utilized	$ (2.6)	$ (1.5)	$ (76.6)