Note 18 - Discontinued Operations - Disposal Groups, Including Discontinued Operations (Details) - USD ($) $ in Thousands			12 Months Ended
		Feb. 28, 2022	Nov. 26, 2022	Nov. 27, 2021	Nov. 28, 2020
Net proceeds from the sale (2)			$ 84,534	$ 0	$ 0
Current assets of discontinued operations held for sale			0	11,064
Long-term assets of discontinued operations held for sale			0	52,757
Current liabilities of discontinued operations held for sale			0	16,095
Long-term liabilities of discontinued operations held for sale			0	16,210
Gain on disposal			52,534	0	0
Income tax expense				362	171
Income from discontinued operations, net of tax				1,121	1,056
Discontinued Operations, Disposed of by Sale [Member] | Zenith Freight Lines [Member]
Disposal Group, Including Discontinued Operation, Consideration		$ 86,939
Amount held in escrow for contingencies related to representations and warranties (1)	[1]	1,000
Seller expenses paid at closing		418
Working capital adjustment paid to buyer		987
Net proceeds from the sale (2)		$ 84,534	(81)	(4,508)	(2,900)
Accounts receivable, net			7,601
Other current assets			3,463
Property and equipment, net			24,898
Goodwill and other intangible assets			9,094
Right of use assets under operating leases			18,193
Other			572
Disposal Group, Including Discontinued Operation, Assets, Total			63,821
Current assets of discontinued operations held for sale			11,064
Long-term assets of discontinued operations held for sale			52,757
Accounts payable			4,336
Accrued compensation and benefits			3,295
Current portion operating lease obligations			7,458
Other current liabilites and accrued expenses			1,006
Long-term portion of operating lease obligations			10,996
Other long-term liabilities			5,214
Disposal Group, Including Discontinued Operation, Liabilities, Total			32,305
Current liabilities of discontinued operations held for sale			16,095
Long-term liabilities of discontinued operations held for sale			16,210
Logistical services revenue			16,776	55,648	48,191
Cost of logistical services			15,001	53,905	46,910
Other loss, net			(63)	(260)	(54)
Income from operations of logistical services			1,712	1,483	1,227
Gain on disposal			52,534
Pretax income of discontinued operations			54,246	1,483	1,227
Income tax expense			14,261
Income from discontinued operations, net of tax			39,985
Cash provided by operating activities			1,681	4,082	5,536
Cash used in financing activities			(371)	(1,259)	(121)
Net cash provided by (used in) discontinued operations			$ 1,229	$ (1,685)	$ 2,515

[1] To be held in escrow until the first anniversary of the sale, at which time any amount not distributed or reserved for specified claims will be released to the Company. This amount is included in other current assets in the accompanying condensed consolidated balance sheet at November 26, 2022.