DEBT - Schedule of Debt (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Unamortized discount and issuance costs	$ (12.8)	$ (18.8)
Long-term debt, gross	2,918.5	2,928.2
Less: current portion	(20.9)	(21.0)
Total long-term debt, net of current portion	$ 2,897.6	$ 2,907.2
Term Loan due 2032 at 6.03% and 6.19% at September 30, 2025 and December 31, 2024, respectively | Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Weighted average borrowing rate (as percent)	6.03%	6.19%
Long-term debt, gross	$ 2,081.3	$ 2,097.0
Senior Secured Notes due 2028 at 4.125% at both September 30, 2025 and December 31, 2024
Debt Instrument [Line Items]
Weighted average borrowing rate (as percent)	4.125%	4.125%
Aggregate principal amount	$ 850.0	$ 850.0