FAIR VALUE MEASUREMENTS - Carrying Amounts and Fair Values of Financial Instruments (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current portion of long-term debt, carrying amount	$ 999.9	$ 999.7
Long-term debt, net of current maturities, carrying value	1,978.2	2,251.6
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current portion of long-term debt, carrying amount	999.9	999.7
Current portion of long-term debt, fair value	1,000.0	1,000.0
Long-term debt, net of current maturities, carrying value	1,978.2	2,251.6
Long-term debt, net of current maturities, fair value	$ 1,824.4	$ 2,078.1