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Debt (Tables) | 6 Months Ended
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Jun. 30, 2015
Debt Disclosure [Abstract] |
Debt [Table Text Block] | Long-term debt consisted of the following:
| June 30, 2015 |  | December 31, 2014
| (thousands)
Asset-based revolving credit facility | $ | — |  |  | $ | — |
Term loan | 50,000 |  |  | — |
6.375% senior notes | 299,990 |  |  | 299,990 |
Unamortized premium on 6.375% senior notes | 1,322 |  |  | 1,425 |
Long-term debt | $ | 351,312 |  |  | $ | 301,415 |

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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