Note 9 - Acquisitions - Acquisition of Zenith (Details) - USD ($) $ in Millions	Sep. 30, 2022	Sep. 14, 2022	Feb. 28, 2022
Zenith Freight Lines, LLC [Member]
Consideration			$ 87.1
Accounts receivable			7.2
Other current assets			1.3
Property and equipment			28.4
Right-of-use assets			28.2
Other assets			0.3
Intangibles			42.7
Lease liabilities			(28.2)
Goodwill, Ending Balance			11.1
Accounts payable and accrued liabilities			$ (3.9)
Alterri Distribution Center, LLC [Member]
Consideration	$ 31.1	$ 31.1
Accounts receivable		0.3
Property and equipment		21.1
Right-of-use assets		0.4
Intangibles		0.9
Lease liabilities		(0.4)
Goodwill, Ending Balance		$ 8.8