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OTHER LONG-TERM LIABILITIES (Details) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 USD ($) ManufacturingSite operable_unit | Mar. 31, 2020 USD ($)
Loss Contingencies [Line Items] |  |
Accruals for extended environmental-related activities | $ 293.3 | $ 308.6
Estimated costs of current investigation and remediation activities included in other accruals | 68.6 | $ 57.6
Amount by which unaccrued maximum of estimated range exceeds minimum | $ 112.4 |
Number of manufacturing sites accounting for the majority of the accrual for environmental-related activities | ManufacturingSite | 4 |
Accruals for environmental-related activities of sites | $ 307.8 |
Percentage of accrual for environmental-related activities related to sites | 85.10% |
Amount of unaccrued maximum related to sites | $ 89.1 |
Percentage of aggregate unaccrued maximum related to sites | 79.20% |
Remaining number of manufacturing sites | ManufacturingSite | 3 |
Gibbsboro, New Jersey |  |
Loss Contingencies [Line Items] |  |
Number of operable units | operable_unit | 6 |
Remedy Implementation |  |
Loss Contingencies [Line Items] |  |
Regulatory agency significant cost components liability | 85.00% |
Regulatory Agency Interaction |  |
Loss Contingencies [Line Items] |  |
Regulatory agency significant cost components liability | 10.00% |
Project Management and Other Costs |  |
Loss Contingencies [Line Items] |  |
Regulatory agency significant cost components liability | 5.00% |

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