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COMMITMENTS AND CONTINGENCIES (Details) $ in Millions | 9 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Sep. 30, 2018 USD ($) proceeding site claim | Dec. 31, 2012 CAD ($) | Dec. 31, 1999 municipality | Dec. 31, 1968 permit | Dec. 31, 2017 USD ($) proceeding
Contingencies [Line Items] |  |  |  |  |
Recorded reserves for actual or probable liabilities | $ | $ 21,800,000 |  |  |  | $ 19,300,000
Number of proceedings as defendant | proceeding | 63 |  |  |  |
Number of product liability claims settled or dismissed | claim | 6 |  |  |  |
Legal and Administrative Proceedings |  |  |  |  |
Contingencies [Line Items] |  |  |  |  |
Recorded reserves for actual or probable liabilities | $ | $ 17,000,000 |  |  |  | 17,900,000
Possible increase in legal and administrative proceedings | $ | $ 1,700,000 |  |  |  | 1,800,000
Ville Mercier |  |  |  |  |
Contingencies [Line Items] |  |  |  |  |
Number of permits issued by government, for dumping organic liquid | permit |  |  |  | 2 |
Number of neighboring municipalities filing separate legal proceedings against the Mercier Subsidiary and the Government of Quebec | municipality |  |  | 3 |  |
General damages sought | $ |  | $ 2.9 |  |  |
Punitive damages sought | $ |  | $ 10.0 |  |  |
Superfund Proceedings |  |  |  |  |
Contingencies [Line Items] |  |  |  |  |
Number of sites owned by third party excluded from cleanup or related liabilities | 128 |  |  |  |
Number of sites owned by the entity subject to proceedings under federal or state superfund laws | 5 |  |  |  |
Number of sites owned by third parties | 123 |  |  |  |
Number of sites for which environmental remediation expense is settled | 30 |  |  |  |
Third party sites requiring expenditure on remediation | 16 |  |  |  |
Number of sites not currently requiring expenditures on remediation | 77 |  |  |  |
Number of sites which potential liability could exceed $100,000 | 10 |  |  |  |
Notices received from owners of third parties sites seeking indemnifications from the company | 17 |  |  |  |
Superfund Proceedings | Minimum |  |  |  |  |
Contingencies [Line Items] |  |  |  |  |
Minimum potential liability | $ | $ 100,000 |  |  |  |
ChemWaste |  |  |  |  |
Contingencies [Line Items] |  |  |  |  |
Indemnification agreement with third party sites | 11 |  |  |  |
Kleen Performance Products |  |  |  |  |
Contingencies [Line Items] |  |  |  |  |
Notices received from owners of third parties sites seeking indemnifications from the company | 6 |  |  |  |
Federal and State Enforcement Actions |  |  |  |  |
Contingencies [Line Items] |  |  |  |  |
Recorded reserves for actual or probable liabilities | $ | $ 4,800,000 |  |  |  | $ 1,400,000
Number of proceedings as defendant | proceeding | 6 |  |  |  | 5
Federal and State Enforcement Actions | Minimum |  |  |  |  |
Contingencies [Line Items] |  |  |  |  |
Minimum potential liability | $ | $ 100,000 |  |  |  | $ 100,000

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