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ENVIRONMENTAL (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017 | Jun. 30, 2018 | Dec. 31, 2017 | Jun. 30, 2017
Environmental Remediation Obligations [Abstract] |  |  |  |  |  |  |
Gross Recoveries from Third Parties of Costs Incurred and Expensed in Prior Periods | $ 120.0 |  | $ 120.0 |  |  |  |
Environmental Remediation Expense | (0.8) | $ 1.8 | 5.9 | $ 6.2 |  |  |
Recoveries From Third Parties Of Costs Incurred And Expensed | (110.0) | 0.0 | (110.0) | 0.0 |  |  |
Total Environmental Income Expense | (110.8) | $ 1.8 | (104.1) | $ 6.2 |  |  |
Environmental Possible Additional Contingent Environmental Liabilities | $ 10.0 |  | $ 10.0 |  |  |  |
Reserves for future environmental expenditures - total |  |  |  |  | $ 129.0 | $ 131.6 | $ 135.3
Reserves for future environmental expenditures - noncurrent |  |  |  |  | $ 109.0 | $ 111.6 | $ 118.3

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- Definition Total costs accrued as of the balance sheet date for environmental loss contingencies. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 25 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346 + Details
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