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ACCOUNTING PRONOUNCEMENTS (Details) - USD ($) $ in Millions | Dec. 31, 2017 | Dec. 31, 2016
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ASC Topic 606 [Member] |  |
Accounting Pronouncements [Abstract] |  |
Cumulative impact on opening retained earnings | $ 11.2 |
ASU 2016-09 [Member] | Retained Earnings [Member] |  |
Accounting Pronouncements [Abstract] |  |
Cumulative adjustment |  | $ (2.8)
ASU 2016-09 [Member] | Additional Paid-in Capital [Member] |  |
Accounting Pronouncements [Abstract] |  |
Cumulative adjustment |  | $ 2.8

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