v3.25.4
FAIR VALUE MEASUREMENTS (Fair Value and Carrying Value of Debt) (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, gross $ 2,201.6 $ 1,501.6
Unamortized deferred financing costs (41.0) (41.6)
Unamortized discount (12.3) (2.7)
Long-term debt 2,148.3 1,457.3
Long-term debt, Fair Value 2,200.2 1,455.9
Long-term debt, Fair value 2,200.2 1,455.9
2028 6.00% Senior Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Senior Notes 801.6 801.6
Long-term debt, Fair Value [1] 794.6 765.9
2030 9.875% Senior Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Senior Notes 800.0 0.0
Long-term debt, Fair Value 824.3 0.0
2030 7.875% Senior Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Senior Notes 500.0 500.0
Long-term debt, Fair Value [1] 481.3 490.0
Revolving Credit Facility    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Revolving Credit Facility 100.0 200.0
Revolving Credit Facility, Fair Value [2] $ 100.0 $ 200.0
[1] The estimated fair value, categorized as a Level 2 measurement, was calculated based on the present value of future expected payments utilizing implied current market interest rates based on quoted prices of the outstanding senior notes.
[2] The estimated fair value approximates carrying value, categorized as a Level 2 measurement, as these borrowings bear interest based upon short-term floating market interest rates.