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FAIR VALUE MEASUREMENTS - Carrying Amounts and Fair Values (Details) - USD ($)
$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Interest rate swap asset    
Other noncurrent assets (including current portion):    
Interest rate swap asset $ 44,233 $ 63,859
Level 1 | Carrying Amount | Money market investments    
Cash and cash equivalents:    
Money market investments 57,284 67,998
Level 1 | Fair Value | Money market investments    
Cash and cash equivalents:    
Money market investments 57,284 67,998
Level 2 | Carrying Amount | Term loans    
Long-term debt (including current portion):    
Long-term debt, fair value 1,724,712 1,729,221
Level 2 | Carrying Amount | Line of Credit | Revolving Credit Facility    
Long-term debt (including current portion):    
Long-term debt, fair value 273,000 313,000
Level 2 | Carrying Amount | Senior Notes    
Long-term debt (including current portion):    
Long-term debt, fair value 650,000 650,000
Level 2 | Carrying Amount | Convertible Notes    
Long-term debt (including current portion):    
Long-term debt, fair value 920,000 920,000
Level 2 | Carrying Amount | Interest rate swap asset    
Other noncurrent assets (including current portion):    
Interest rate swap asset 44,233 63,859
Level 2 | Fair Value | Term loans    
Long-term debt (including current portion):    
Long-term debt, fair value 1,675,321 1,698,873
Level 2 | Fair Value | Line of Credit | Revolving Credit Facility    
Long-term debt (including current portion):    
Long-term debt, fair value 267,540 309,870
Level 2 | Fair Value | Senior Notes    
Long-term debt (including current portion):    
Long-term debt, fair value 514,280 542,750
Level 2 | Fair Value | Convertible Notes    
Long-term debt (including current portion):    
Long-term debt, fair value 819,778 821,342
Level 2 | Fair Value | Interest rate swap asset    
Other noncurrent assets (including current portion):    
Interest rate swap asset 44,233 63,859
Level 3 | Carrying Amount | MBI Net Option, New MBI    
Other noncurrent assets (including current portion):    
Interest rate swap asset 79,450 84,120
Level 3 | Fair Value | MBI Net Option, New MBI    
Other noncurrent assets (including current portion):    
Interest rate swap asset $ 79,450 $ 84,120