ACCUMULATED OTHER COMPREHENSIVE INCOME - Narrative (Details) - USD ($) $ in Millions	3 Months Ended				12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Estimated goodwill	$ 4,540.0				$ 4,540.0	$ 4,519.0	$ 2,837.0
Accumulated other comprehensive loss	(300.0)				(300.0)	(291.0)
Other comprehensive income (loss)					(12.0)	(20.0)	(2.0)
Net income (loss)					59.0	$ 98.0	$ (78.0)
Revision of Prior Period, Error Correction, Adjustment
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Estimated goodwill	(39.0)				(39.0)
Accumulated other comprehensive loss	39.0				39.0
Other comprehensive income (loss)	$ 39.0	$ 19.0	$ 12.0	$ 8.0
Net income (loss)					$ 0.0