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Note 12 - Long-term Debt (Tables) | 12 Months Ended
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Dec. 31, 2020
Notes Tables |
Schedule of Debt [Table Text Block] |
|  | December 31,
|  | 2020
Credit Agreement |  | $ | 425,750 |
Senior Notes |  |  | 150,000 |
Capital leases maturing at various dates through 2026 |  |  | 10,898 |
Other long-term debt maturing at various dates up to 2023 |  |  | 2,956 |
|  |  | 589,604 |
Less: current portion |  |  | 56,478 |
Long-term debt - non-current |  | $ | 533,126 |
Schedule of Maturities of Long-term Debt [Table Text Block] |
| 2021 |  |  | $ | 56,479 |
| 2022 |  |  |  | 56,968 |
| 2023 |  |  |  | 54,536 |
| 2024 |  |  |  | 391,056 |
| 2025 and thereafter |  |  |  | 30,565 |

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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 maturity and sinking fund requirement for long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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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