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Note 13 - Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2021
Notes Tables |
Schedule of Finite-Lived Intangible Assets [Table Text Block] |
|  |  |  |  |  |  |  |  |  | Weighted Average |
|  | December 31, |  |  | Amortization |
|  | 2021 |  |  | 2020 |  |  | Period |
Finite-lived intangibles: |  |  |  |  |  |  |  |  |  |  |  |
Customer relationships |  | $ | 129.9 |  |  | $ | 131.7 |  |  |  | 11.1 |
Non-competition agreements |  |  | 7.3 |  |  |  | 7.9 |  |  |  | 6.7 |
Trade names |  |  | 4.2 |  |  |  | 3.8 |  |  |  | 2.1 |
LDC Network |  |  | 10.5 |  |  |  | 10.5 |  |  |  | 10.0 |
Total finite-lived intangibles |  |  | 151.9 |  |  |  | 153.9 |  |  |  |  |
Less accumulated amortization |  |  | (61.3 | ) |  |  | (47.1 | ) |  |  |  |
Total identifiable intangible assets, net |  | $ | 90.6 |  |  | $ | 106.8 |  |  |  |  |

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