ENVIRONMENTAL (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
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| Environmental Remediation Obligations [Abstract] | |||||
| Reserves for future environmental expenditures - total | $ 158.5 | $ 155.2 | $ 158.5 | $ 155.2 | $ 156.3 |
| Reserves for future environmental expenditures - noncurrent | 128.5 | 125.2 | 128.5 | 125.2 | 126.3 |
| Environmental Remediation Expense | 5.7 | 4.8 | 10.9 | 9.8 | |
| Accrued Environmental Loss Contingencies, Current | $ 30.0 | $ 30.0 | $ 30.0 | $ 30.0 | $ 30.0 |
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- Definition Total costs accrued as of the balance sheet date for environmental loss contingencies. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable after twelve months or beyond the next operating cycle if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, before recovery, of expense for known and estimated future costs arising from requirement to perform environmental remediation. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- References No definition available.
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