ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Schedule of Activity in Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 1,454.1	$ 728.7	$ 1,417.7	$ 512.1
Other comprehensive income (loss), net of tax	(127.9)	2.4	(109.9)	3.5
Ending balance	1,351.7	743.7	1,351.7	743.7
Recognized earnings	1.7	2.6	4.3	5.3
Foreign Currency Translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	3.5	68.8	39.8	104.9
Other comprehensive income (loss), net of tax	(149.9)	20.2	(186.2)	(15.9)
Ending balance	(146.4)	89.0	(146.4)	89.0
Interest Rate Swap
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	62.9	1.1	8.7	(32.8)
Other comprehensive income (loss), net of tax	22.0	(8.6)	76.2	25.3
Ending balance	84.9	(7.5)	84.9	(7.5)
Pension
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(12.8)	(20.5)	(12.9)	(19.7)
Other comprehensive income (loss), net of tax	0.0	0.2	0.1	(0.6)
Ending balance	(12.8)	(20.3)	(12.8)	(20.3)
Tax Receivable Agreement
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	0.0	3.2	0.0	(0.9)
Other comprehensive income (loss), net of tax	0.0	(9.4)	0.0	(5.3)
Ending balance	0.0	(6.2)	0.0	(6.2)
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	53.6	52.6	35.6	51.5
Ending balance	$ (74.3)	$ 55.0	$ (74.3)	$ 55.0