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CONTINGENCIES (Details) ft³ in Millions, $ in Millions |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 16, 2022 USD ($) mi ft³ | Feb. 11, 2022 mi | Apr. 14, 2021 USD ($) mi | Dec. 04, 2020 USD ($) | Oct. 10, 2018 mi | Jun. 30, 2018 USD ($) company mi | May 17, 2017 company hazardousSubstance mi | Mar. 30, 2017 company | Sep. 30, 2016 mi | Mar. 31, 2016 company mi | Mar. 04, 2016 USD ($) mi | Apr. 11, 2014 mi | Apr. 01, 2014 mi | Jun. 18, 2012 mi | Apr. 30, 2015 mi | May 31, 2007 company mi | Dec. 31, 2022 USD ($) site | Jan. 01, 2022 USD ($)
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Superfund sites | site |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 26 |
Environmental loss contingency, statement of financial position, not disclosed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | reserves | reserves
Reserve for environmental remediation costs, current |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 39.4 | $ 46.1
Environmental loss contingency, noncurrent, statement of financial position, not disclosed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | long-term |
Environmental remediation costs deemed probable and reasonable estimable | $ 150.0 |  | $ 441.0 |  |  |  |  |  |  |  | $ 1,400.0 |  |  |  |  |  |  |
Reserve for environmental loss contingencies, EPA funded amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 16.4 |
Environmental remediation. period construction of treatment facility to be maintained |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 30 years |
Number of miles of river | mi | 10.9 | 17 | 17 |  | 9 | 8.3 | 8.3 |  | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 10.9 | 17 | 17 |  |
Cubic yards of settlement | ft³ | 3.5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Approximate implementation time |  |  |  |  |  |  |  |  |  |  | 6 years |  |  |  |  |  |  |
Estimated costs of remediation design |  |  |  |  |  | $ 165.0 |  |  |  |  |  |  |  |  |  |  |  |
Number of parties notified | company |  |  |  |  |  |  |  |  |  | 105 |  |  |  |  |  |  |  |
Number of companies offered cash out settlements | company |  |  |  |  |  |  | 20 | 20 |  |  |  |  |  |  |  |  |  |
Number of hazardous substances | hazardousSubstance |  |  |  |  |  |  | 8 |  |  |  |  |  |  |  |  |  |  |
Number of defendants | company |  |  |  |  |  | 100 |  |  |  |  |  |  |  |  |  |  |  |
Environmental exit costs anticipated cost, percentage | 99.40% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Undiscounted environmental liability expected to be paid in 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3.2 |
Undiscounted environmental liability expected to be paid 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.5 |
Undiscounted environmental liability expected to be paid in 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.2 |
Undiscounted environmental liability expected to be paid in 2026 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.1 |
Undiscounted environmental liability expected to be paid in 2027 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.7 |
Undiscounted environmental liability expected to be paid thereafter |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 33.0 |
Lower Passaic Cooperating Parties Group |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of companies | company |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 47 |  |
Property, Plant and Equipment, Other Types |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Environmental remediation costs, reserve |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 129.3 | $ 159.1
Reserve for environmental remediation costs, current |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 39.4 |
Reserve for environmental remediation costs, noncurrent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 89.9 |
Reserve for environmental loss contingencies, obligation after EPA funding |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 112.9 |
Estimated environmental remediation expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 21.1 |
Centredale Site |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Environmental remediation costs deemed probable and reasonable estimable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 35.2 |
Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Environmental remediation costs deemed probable and reasonable estimable |  |  |  | $ 420.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Environmental liability discount rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.70% |
Undiscounted environmental liability |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 38.6 |
Minimum | Property, Plant and Equipment, Other Types |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Environmental remediation costs deemed probable and reasonable estimable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 58.5 |
Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Environmental remediation costs deemed probable and reasonable estimable |  |  |  | $ 468.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Environmental liability discount rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.80% |
Undiscounted environmental liability |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 48.7 |
Maximum | Property, Plant and Equipment, Other Types |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Environmental remediation costs deemed probable and reasonable estimable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 220.1 |

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