The amount of identifiable tangible net assets recognized as of the acquisition date.

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The total adjustment to goodwill, post-acquisition.

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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.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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Amount of liabilities assumed at the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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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)