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EMPLOYEE BENEFIT PLANS (Deferred Comp Plans) (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016
Deferred salary agreements |  |
Deferred Compensation Plans |  |
Recorded liabilities | $ 2.9 | $ 3.4
Voluntary Savings Plan - mutual funds held in trust |  |
Deferred Compensation Plans |  |
Minimum period for election to defer receipt of a portion of salary and incentive compensation | 6 months |
Voluntary Savings Plan - mutual funds held in trust | Other long-term assets |  |
Deferred Compensation Plans |  |
VSP assets | $ 2.4 | 2.2
Voluntary Savings Plan - mutual funds held in trust | Other long-term liabilities |  |
Deferred Compensation Plans |  |
VSP liabilities | $ 2.4 | $ 2.2

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- Definition Represents the minimum period prior to the end of the performance period for making an election to defer receipt of a portion of salary and incentive compensation. + References No definition available. + Details
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- References No definition available. + Details
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- Definition Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable beyond one year (or the operating cycle, if longer). + References No definition available. + Details
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- Definition Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date. + References No definition available. + Details
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- Definition Carrying amount as of the balance sheet date of assets held under deferred compensation agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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