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Note 12 - Acquisition of Landair Holdings, Inc - Allocation of Purchase Price (Details) - USD ($) $ in Thousands |  | 9 Months Ended |
--- | --- | --- | ---
Jul. 03, 2018 | Sep. 30, 2018 | Sep. 30, 2017 | Dec. 31, 2017
Excess of consideration transferred over the net amount of assets and liabilities recognized |  | $ 41,086 |  |
Net purchase price |  | $ 106,060 |  |
Landair Holdings Inc [Member] |  |  |  |
Cash paid | $ 106,700 |  |  |
Historical book value of Landair’s assets and liabilities | 65,728 |  |  |
Property, plant, and equipment | 26,164 |  |  |
Other assets | 22 |  |  |
Liabilities | 13,258 |  |  |
Fair value of tangible net assets acquired | 16,216 |  |  |
Post-acquisition goodwill adjustments | (114) |  |  |
Identifiable intangibles at acquisition-date fair value | 34,000 |  |  |
Debt paid at closing | 15,512 |  |  |
Excess of consideration transferred over the net amount of assets and liabilities recognized | 41,086 |  |  |
Cash acquired included in historical book value of Landair assets and liabilities | (754) |  |  |
Net purchase price | 105,946 |  |  |
Landair Holdings Inc [Member] | Measured by Acquired Company [Member] |  |  |  |
Historical book value of Landair’s assets and liabilities | 25,589 |  |  |
Landair Holdings Inc [Member] | Fair Value Adjustment [Member] |  |  |  |
Property, plant, and equipment | (7,450) |  |  |
Other assets | (1,094) |  |  |
Liabilities | $ (829) |  |  |

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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=109124213&loc=d3e6613-128477 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=109124213&loc=d3e6578-128477 + Details
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