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CONTINGENCIES (Details) $ in Millions |  |  |  |  |  |  | 1 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 18, 2024 company | Jan. 19, 2024 USD ($) | Dec. 16, 2022 USD ($) company | Sep. 28, 2021 USD ($) mi | Jun. 30, 2018 company | Mar. 04, 2016 USD ($) company mi | Mar. 31, 2017 mi | Sep. 27, 2025 USD ($) site | Sep. 08, 2025 party | Dec. 28, 2024 USD ($) | Oct. 31, 2024 party
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Penalty charge |  | $ 32.0 |  |  |  |  |  |  |  |  |
Superfund sites | site |  |  |  |  |  |  |  | 23 |  |  |
Environmental remediation costs deemed probable and reasonably estimable |  |  | $ 150.0 | $ 441.0 |  | $ 1,400.0 |  |  |  |  |
Reserve for environmental loss contingencies, EPA funded amount |  |  |  |  |  |  |  | $ 17.4 |  |  |
Environmental remediation, period construction of treatment facility to be maintained (in years) |  |  |  |  |  |  |  | 30 years |  |  |
Number of defendants | company |  |  |  |  | 100 | 100 |  |  |  |  |
Number of miles of river | mi |  |  |  | 9 |  |  |  |  |  |  |
Number of parties | company | 2 |  | 85 |  |  |  |  |  |  |  |
Lower Passaic River Operable Unit-4 |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of miles of river | mi |  |  |  |  |  | 17 | 17 |  |  |  |
Lower Passaic River Operable Unit-2 |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of miles of river | mi |  |  |  |  |  | 8.3 |  |  |  |  |
Property, Plant and Equipment, Other Types |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Environmental remediation costs, reserve |  |  |  |  |  |  |  | $ 264.8 |  | $ 275.4 |
Reserve for environmental remediation costs, current |  |  |  |  |  |  |  | 70.6 |  |  |
Reserve for environmental remediation costs, noncurrent |  |  |  |  |  |  |  | 194.2 |  |  |
Net cash obligations |  |  |  |  |  |  |  | 247.4 |  |  |
Accrual for environmental loss contingencies, obligation after EPA funding |  |  |  |  |  |  |  | 6.0 |  |  |
Estimated environmental remediation expense |  |  |  |  |  |  |  | 21.8 |  |  |
Property, Plant and Equipment, Other Types | Minimum |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Environmental remediation costs deemed probable and reasonably estimable |  |  |  |  |  |  |  | 182.9 |  |  |
Property, Plant and Equipment, Other Types | Maximum |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Environmental remediation costs deemed probable and reasonably estimable |  |  |  |  |  |  |  | 396.4 |  |  |
Centredale Site |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Environmental remediation costs deemed probable and reasonably estimable |  |  |  |  |  |  |  | $ 157.7 |  |  |
Number of potentially responsible parties | party |  |  |  |  |  |  |  |  | 4 |  | 4

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