RESTRUCTURING CHARGES (Details 2) - USD ($) $ in Millions	3 Months Ended				6 Months Ended		75 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Dec. 31, 2021	Dec. 31, 2020
Restructuring Cost and Reserve [Line Items]
Accrued restructuring costs	$ 7.9		$ 16.7		$ 7.9	$ 16.7	$ 7.9	$ 12.3	$ 3.5
Restructuring charges	3.6	$ 3.1	14.0	$ 6.9	6.7	20.9	278.0
Amounts utilized					(11.1)	(7.7)
Employee severance and related benefit costs
Restructuring Cost and Reserve [Line Items]
Accrued restructuring costs	3.2		10.6		3.2	10.6	3.2	6.9	1.8
Restructuring charges	0.0	0.0	10.1	0.0			19.1
Amounts utilized					(3.7)	(1.3)
Lease and other contract termination costs
Restructuring Cost and Reserve [Line Items]
Accrued restructuring costs	4.7		6.1		4.7	6.1	4.7	5.4	1.7
Restructuring charges	0.2	0.1	0.5	4.6			49.4
Amounts utilized					(1.0)	(0.7)
Facility exit costs
Restructuring Cost and Reserve [Line Items]
Accrued restructuring costs	0.0		0.0		0.0	0.0	0.0	0.0	0.0
Restructuring charges	3.1	2.6	3.4	2.3			70.8
Amounts utilized					(5.7)	(5.7)
Write-off of equipment and facility
Restructuring Cost and Reserve [Line Items]
Accrued restructuring costs	0.0		0.0		0.0	0.0	0.0	$ 0.0	$ 0.0
Restructuring charges	$ 0.3	$ 0.4	$ 0.0	$ 0.0			$ 137.0
Amounts utilized					$ (0.7)	$ 0.0