CREDIT FACILITIES AND DEBT (Summary of Long-Term Debt) (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
May 28, 2026 |
Dec. 31, 2025 |
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| Debt Instrument [Line Items] | |||||||||
| Long-term debt, gross | $ 1,800.0 | $ 2,201.6 | |||||||
| Unamortized deferred financing costs | (39.9) | (41.0) | |||||||
| Unamortized discount | (11.0) | (12.3) | |||||||
| Long-term debt | $ 1,749.1 | 2,148.3 | |||||||
| 2030 9.875% Senior Notes | |||||||||
| Debt Instrument [Line Items] | |||||||||
| Interest rate | 9.875% | ||||||||
| 2030 7.875% Senior Notes | |||||||||
| Debt Instrument [Line Items] | |||||||||
| Interest rate | 7.875% | ||||||||
| 2034 7.250% Senior Notes | |||||||||
| Debt Instrument [Line Items] | |||||||||
| Interest rate | 7.25% | ||||||||
| Long-term debt | $ 500.0 | ||||||||
| 2028 6.00% Senior Notes | |||||||||
| Debt Instrument [Line Items] | |||||||||
| Interest rate | 6.00% | ||||||||
| Revolving Credit Facility | |||||||||
| Debt Instrument [Line Items] | |||||||||
| Long-term line of credit | [1] | $ 0.0 | 100.0 | ||||||
| 2030 9.875% Senior Notes | |||||||||
| Debt Instrument [Line Items] | |||||||||
| Long-term debt | [2] | 800.0 | 800.0 | ||||||
| 2030 7.875% Senior Notes | |||||||||
| Debt Instrument [Line Items] | |||||||||
| Long-term debt | [2] | 500.0 | 500.0 | ||||||
| 2034 7.250% Senior Notes | |||||||||
| Debt Instrument [Line Items] | |||||||||
| Long-term debt | [2] | 500.0 | 0.0 | ||||||
| 2028 6.00% Senior Notes | |||||||||
| Debt Instrument [Line Items] | |||||||||
| Long-term debt | [2],[3] | $ 0.0 | $ 801.6 | ||||||
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| X | ||||||||||
- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after accumulated amortization, of debt discount. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset. No definition available.
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