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Accrued Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2015
Payables and Accruals [Abstract] |
Schedule of Accrued Liabilities [Table Text Block] | ## Other current liabilities consisted of the following at December 31:
(in thousands) |  | 2015 |  | 2014
Payroll and incentive compensation |  | $ | 10,499 |  |  | $ | 11,432 |
Union dues and benefits |  |  | 8,182 |  |  |  | 6,721 |
Profit sharing and thrift plan |  |  | 1,294 |  |  |  | 4,760 |
Taxes, other than income taxes |  |  | 3,578 |  |  |  | 3,709 |
Legal settlements |  |  | — |  |  |  | 302 |
Other |  |  | 5,303 |  |  |  | 4,816 |
|  | $ | 28,856 |  |  | $ | 31,740 |

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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
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