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Contingencies (Details) $ in Millions |  | 1 Months Ended | 3 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2018 Party | Oct. 31, 2022 USD ($) | Sep. 30, 2021 USD ($) mi | Nov. 30, 2019 USD ($) | Mar. 31, 2016 Party mi | Sep. 27, 2025 USD ($) contaminate | Dec. 28, 2024 USD ($)
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Area of land | mi |  |  | 9 |  | 8.3 |  |
Number of parties | Party | 100 |  |  |  | 100 |  |
Loss related to litigation settlement |  |  |  | $ 0.6 |  |  |
Number of contaminants | contaminate |  |  |  |  |  | 8 |
Insurance Environmental and Litigation Matters |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Reserves for insurance, environmental and litigation contingencies |  |  |  |  |  | $ 101.8 | $ 97.1
Insurance settlements receivable |  |  |  |  |  | 39.0 | $ 39.0
Pending Litigation |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Number of parties | Party | 40 |  |  |  |  |  |
Plant, One |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Loss related to litigation settlement |  |  |  | 0.3 |  |  |
Plant, Two |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Loss related to litigation settlement |  |  |  | $ 0.3 |  |  |
Lower Passaic River Area |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Estimate of possible loss |  |  | $ 441.0 |  |  | 1,380.0 |
Loss Contingency, Damages Paid, Value |  | $ 0.3 |  |  |  |  |
Lower Passaic River Area | Pending Litigation |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Estimate of possible loss |  |  |  |  |  | $ 165.0 |

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