v3.3.1.900

OTHER CURRENT ASSETS (Tables) | 12 Months Ended
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Dec. 31, 2015
Prepaid Expense and Other Assets, Current [Abstract] |
Other current assets [Table Text Block] | Other current assets consisted of the following:
| December 31,
| 2015 |  | 2014
| (Thousands of Dollars)
Prepaid expenses | $ | 16,331 |  |  | $ | 16,140 |
Derivative assets | 11,402 |  |  | 16,362 |
Other | 3,443 |  |  | 3,442 |
Other current assets | $ | 31,176 |  |  | $ | 35,944 |

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