RESTRUCTURING COSTS - Restructuring Costs Recorded In Consolidated Balance Sheets (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($)
Restructuring activity:
Restructuring liability, beginning balance	$ 0.0
Expense incurred	11.2
Payments	(8.0)
Restructuring liability, ending balance	3.2
Employee costs
Restructuring activity:
Restructuring liability, beginning balance	0.0
Expense incurred	10.2
Payments	(7.1)
Restructuring liability, ending balance	3.1
Software costs
Restructuring activity:
Restructuring liability, beginning balance	0.0
Expense incurred	1.0
Payments	(0.9)
Restructuring liability, ending balance	$ 0.1