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Level 3 Debt (Tables) | 12 Months Ended
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Dec. 31, 2013
Debt Disclosure [Abstract] |
Debt [Table Text Block] | Long-term debt consisted of the following:
|  | December 31, 2013 |  | December 31, 2012
|  | (thousands)
Asset-based revolving credit facility |  | $ | — |  |  | $ | 25,000 |
6.375% senior notes |  | 299,990 |  |  | 250,000 |
Unamortized premium on 6.375% senior notes |  | 1,623 |  |  | — |
Long-term debt |  | $ | 301,613 |  |  | $ | 275,000 |

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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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