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SUPPLEMENTAL CASH FLOW INFORMATION (Tables) | 6 Months Ended
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Jun. 30, 2017
SUPPLEMENTAL CASH FLOW INFORMATION [Abstract] |
Supplemental Cash Flow Information | Cash paid during the six months ended June 30, 2017 and 2016 for income taxes and interest is as follows:
|  | Six Months Ended June 30, |
|  | 2017 |  |  | 2016 |
Income taxes |  | $ | 14,508 |  |  | $ | 17,014 |
Interest |  | $ | 3,436 |  |  | $ | 3,457 |

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