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Note 12 - Discontinued Operations - Disposal Groups, Including Discontinued Operations (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Feb. 28, 2022
May 27, 2023
May 28, 2022
May 27, 2023
May 28, 2022
Net proceeds from the sale       $ 1,000 $ 85,521
Gain on disposal   $ 0 $ 53,254 0 53,254
Pretax income of discontinued operations   $ 0 0 $ 0 1,712
Discontinued Operations, Disposed of by Sale [Member] | Zenith Freight Lines [Member]          
Disposal Group, Including Discontinued Operation, Consideration $ 86,939        
Cash provided by operating activities         1,681
Logistical services revenue     0   16,776
Net proceeds from the sale 85,521       (81)
representations and warranties (1) 1,000        
Cash used in financing activities         (371)
Seller expenses paid at closing $ 418        
Cost of logistical services     0   15,001
Net cash provided by discontinued operations         1,229
Other loss, net     0   (63)
Income from operations of logistical services     0   1,712
Gain on disposal     53,254   53,254
Pretax income of discontinued operations     53,254   54,966
Income tax expense     13,879   14,309
Income from discontinued operations, net of tax     $ 39,375   $ 40,657