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COMMITMENTS AND CONTINGENCIES Environmental Matters Textuals (Details) $ in Millions | Mar. 31, 2020 USD ($) site | Dec. 31, 2019 USD ($) | Mar. 31, 2019 USD ($)
--- | --- | --- | ---
Site Contingency [Line Items] |  |  |
Environmental-related assets | $ 22.2 | $ 22.2 | $ 23.4
Environmental Related Matters [Member] |  |  |
Site Contingency [Line Items] |  |  |
Number Of Active Environmental Investigation And Remediation Sites | site | 28 |  |
Maximum [Member] | Environmental Related Matters [Member] |  |  |
Site Contingency [Line Items] |  |  |
Loss Contingency, Range of Possible Loss, Maximum | $ 105.3 |  |

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- Definition Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14435-108349 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14557-108349 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118943654&loc=d3e12021-110248 + Details
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