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BASIS OF PRESENTATION (Details) $ in Thousands | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2015 USD ($) | Mar. 31, 2016 USD ($) VEB / $ | Sep. 30, 2015 VEB / $ | Mar. 31, 2015 USD ($) | Dec. 31, 2014 USD ($)
Venezuela-Highly Inflationary Economy |  |  |  |  |
Venezuela foreign currency transaction loss | $ 4,334 |  |  |  |
Inventory Write-down | 22,880 |  |  |  |
DICOMRate | VEB / $ |  | 272.9 | 199.4 |  |
Net bolivar-denominated monetary assets position | 32 | $ (748) |  |  |
Cash and cash equivalents | 304,183 | 220,996 |  | $ 289,017 | $ 278,379
VENEZUELA |  |  |  |  |
Venezuela-Highly Inflationary Economy |  |  |  |  |
Cash and cash equivalents | $ 642 | $ 510 |  |  |

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