DEBT - Schedule of Debt (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Debt Instrument [Line Items]
Unamortized discount and issuance costs	$ (27.8)	$ (13.1)
Long-term debt, gross	2,922.2	2,913.0
Less: current portion	0.0	(20.9)
Total long-term debt, net of current portion	2,922.2	$ 2,892.1
Term Loan due 2032 at 5.61% at December 31, 2025 | Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Weighted average borrowing rate (as percent)		5.61%
Long-term debt, gross	$ 0.0	$ 2,076.1
Senior Secured Notes due 2028 at 4.125% at both March 31, 2026 and December 31, 2025
Debt Instrument [Line Items]
Weighted average borrowing rate (as percent)	4.125%	4.125%
Aggregate principal amount	$ 850.0	$ 850.0
Senior Notes due 2036 at 4.850% at March 31, 2026
Debt Instrument [Line Items]
Aggregate principal amount	$ 600.0	0.0
Senior Notes due 2036 at 4.850% at March 31, 2026 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	4.85%
Senior Notes due 2046 at 5.650% at March 31, 2026
Debt Instrument [Line Items]
Aggregate principal amount	$ 500.0	0.0
Senior Notes due 2046 at 5.650% at March 31, 2026 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	5.65%
Senior Notes due 2056 at 5.800% at March 31, 2026
Debt Instrument [Line Items]
Aggregate principal amount	$ 500.0	0.0
Senior Notes due 2056 at 5.800% at March 31, 2026 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	5.80%
Senior Notes due 2066 at 5.950% at March 31, 2026
Debt Instrument [Line Items]
Aggregate principal amount	$ 500.0	$ 0.0
Senior Notes due 2066 at 5.950% at March 31, 2026 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	5.95%