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Note 12 - Long-term Debt (Tables) | 12 Months Ended
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Dec. 31, 2016
Notes Tables |
Schedule of Debt [Table Text Block] |
|  | December 31, 2016 |  | December 31, 2015
Revolving credit facility |  | $ | 259,081 |  |  | $ | 255,165 |
Capital leases maturing at various dates through 2019 |  |  | 1,868 |  |  |  | 1,870 |
Other long-term debt maturing at various dates up to 2020 |  |  | 1,549 |  |  |  | 3,912 |
|  |  | 262,498 |  |  |  | 260,947 |
Less: current portion |  |  | 1,961 |  |  |  | 3,200 |
Long-term debt - non-current |  | $ | 260,537 |  |  | $ | 257,747 |
Schedule of Maturities of Long-term Debt [Table Text Block] |
2017 |  | $ | 1,961 |
2018 |  |  | 1,102 |
2019 |  |  | 350 |
2020 |  |  | 4 |
2021 and thereafter |  |  | 259,081 |

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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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- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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