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Note 8 - Debt: (Tables) | 6 Months Ended
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Jun. 30, 2012
Schedule of Debt [Table Text Block] | Debt Components
(in thousands) |  | June 30, 2012 |  |  | December 31, 2011 |
Asset-based revolving credit facility due June 30, 2016 |  | $ | 219,915 |  |  | $ | 170,405 |
Term loan due June 30, 2016 |  |  | 61,979 |  |  |  | 66,354 |
Industrial revenue bond due April 1, 2018 |  |  | 5,125 |  |  |  | 5,880 |
Capital lease |  |  | 1,487 |  |  |  | 1,577 |
Total debt |  |  | 288,506 |  |  |  | 244,216 |
Less current amount |  |  | (8,967 | ) |  |  | (9,662 | )
Total long-term debt |  | $ | 279,539 |  |  | $ | 234,554 |

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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
Name: | us-gaap_ScheduleOfDebtTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration