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DERIVATIVE FINANCIAL INSTRUMENTS Narratives (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016
Derivative [Line Items] |  |
Cash flow hedge gain (loss) to be reclassified within twelve months | $ 3.8 |
Foreign exchange contracts | Derivatives designated as hedges |  |
Derivative [Line Items] |  |
Derivative, notional amount | 313.4 | $ 245.5
Foreign exchange contracts | Derivatives not designated as hedges |  |
Derivative [Line Items] |  |
Derivative, notional amount | $ 113.2 | $ 339.7

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=35736893&loc=d3e80748-113994 + Details
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