v3.3.1.900

HEALTH, SAFETY AND ENVIRONMENTAL MATTERS (Tables) | 12 Months Ended
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Dec. 31, 2015
Environmental Remediation Obligations [Abstract] |
Schedule of Environmental Accrual Rollforward [Table Text Block] | The balance of and changes in the accruals for environmental matters were as follows:
| Year Ended December 31,
| 2015 |  | 2014
| (Thousands of Dollars)
Balance as of the beginning of year | $ | 6,598 |  |  | $ | 6,233 |
Additions to accrual | 3,685 |  |  | 3,292 |
Payments | (2,574 | ) |  | (2,878 | )
Foreign currency translation | (42 | ) |  | (49 | )
Balance as of the end of year | $ | 7,667 |  |  | $ | 6,598 |
Environmental Accruals By Balance Sheet Location [Table Text Block] | Accruals for environmental matters are included in the consolidated balance sheets as follows:
| December 31,
| 2015 |  | 2014
| (Thousands of Dollars)
Accrued liabilities | $ | 4,350 |  |  | $ | 3,518 |
Other long-term liabilities | 3,317 |  |  | 3,080 |
Accruals for environmental matters | $ | 7,667 |  |  | $ | 6,598 |

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