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BASIS OF PRESENTATION (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Basis of Presentation [Line Items] |  |  |  |
Estimated Impact On Operating Income From Adoption Of ASU 2017-07 |  |  | $ 9,000 |
Excess Tax Benefit from Share-based Compensation, Operating Activities | $ 305 | $ 1,892 | $ 4,452 | $ 3,414
New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Diluted Earnings Per Share | $ 0.01 |  | $ 0.07 |

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