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CONTINGENCIES (Details) cubic_yard in Millions, $ in Millions |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 19, 2024 USD ($) | Apr. 07, 2023 USD ($) | Mar. 02, 2023 company | Dec. 16, 2022 USD ($) company | Feb. 11, 2022 mi | Sep. 28, 2021 USD ($) | Dec. 04, 2020 USD ($) | Oct. 10, 2018 mi | Jun. 30, 2018 USD ($) municipality company mi | Mar. 30, 2017 mi | Sep. 30, 2016 mi | Mar. 31, 2016 company mi | Mar. 04, 2016 USD ($) cubic_yard mi | Apr. 11, 2014 mi | May 31, 2007 company mi | Jun. 29, 2024 USD ($) | Dec. 28, 2024 USD ($) site mi | Dec. 30, 2023 USD ($)
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Penalty charge | $ 32.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Superfund sites | site |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 23 |
Environmental loss contingency, statement of financial position, not disclosed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | reserves | reserves
Reserve for environmental remediation costs, current |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 51.4 | $ 46.0
Environmental loss contingency, noncurrent, statement of financial position, not disclosed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | long-term within Other liabilities, |
Environmental remediation costs deemed probable and reasonable estimable |  |  |  | $ 150.0 |  | $ 441.0 |  |  |  |  |  |  | $ 1,400.0 |  |  |  |  |
Undiscounted environmental liability expected to be paid in 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 6.4 |
Undiscounted environmental liability expected to be paid in 2026 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13.7 |
Undiscounted environmental liability expected to be paid in 2027 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13.0 |
Undiscounted environmental liability expected to be paid in 2028 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13.0 |
Undiscounted environmental liability expected to be paid in 2029 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.3 |
Undiscounted environmental liability expected to be paid thereafter |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 67.6 |
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 miles of river | mi |  |  |  |  | 17 |  |  | 9 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 17 |  | 17 |
Cubic yards of settlement | cubic_yard |  |  |  |  |  |  |  |  |  |  |  |  | 3.5 |  |  |  |  |
Approximate implementation time (in years) |  |  |  |  |  |  |  |  |  |  |  |  | 6 years |  |  |  |  |
Number of defendants | company |  |  |  |  |  |  |  |  | 100 |  |  |  |  |  |  |  |  |
Estimated costs of remediation design |  |  |  |  |  |  |  |  | $ 165.0 |  |  |  |  |  |  |  |  |
Number of municipalities | municipality |  |  |  |  |  |  |  |  | 42 |  |  |  |  |  |  |  |  |
Number of parties notified | company |  |  |  |  |  |  |  |  |  |  |  | 105 |  |  |  |  |  |
Number of parties | company |  |  | 40 | 85 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Environmental exit costs anticipated cost (as percent) |  |  |  | 99.40% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated environmental remediation expense, statement of income or comprehensive income, extensible enumeration, not disclosed flag |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | remediation costs |
Lower Passaic Cooperating Parties Group |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of companies | company |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 47 |  |  |
YPF And Repsol |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation settlement, amount |  | $ 573.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lower Passaic Cooperating Parties Group | YPF And Repsol |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation settlement, amount awarded from other party |  | $ 9.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Environmental remediation costs deemed probable and reasonable estimable |  |  |  |  |  |  | $ 420.0 |  |  |  |  |  |  |  |  |  |  |
Environmental liability discount rate (as percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.30% |
Undiscounted environmental liability |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 84.6 |
Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Environmental remediation costs deemed probable and reasonable estimable |  |  |  |  |  |  | $ 468.0 |  |  |  |  |  |  |  |  |  |  |
Environmental liability discount rate (as percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.70% |
Undiscounted environmental liability |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 118.0 |
Property, Plant and Equipment, Other Types |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Environmental remediation costs, reserve |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 275.4 | $ 124.5
Reserve for environmental remediation costs, current |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 51.4 |
Reserve for environmental remediation costs, noncurrent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 224.0 |
Net cash obligations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 258.0 |
Reserve for environmental loss contingencies, obligation after EPA funding |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8.0 |
Estimated environmental remediation expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 25.2 |
Property, Plant and Equipment, Other Types | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Environmental remediation costs deemed probable and reasonable estimable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 191.5 |
Property, Plant and Equipment, Other Types | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Environmental remediation costs deemed probable and reasonable estimable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 408.1 |
Centredale Site |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Environmental remediation costs deemed probable and reasonable estimable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 161.8 |
Increased reserve amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 142.3 |  |

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