Note 15 - Leases and Lease Guarantees - Supplemental Lease Disclosures (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 26, 2022	Nov. 27, 2021	Nov. 28, 2020	Nov. 27, 2022
Right of use assets	$ 99,472	$ 95,955		$ 99,472
Lease liabilties, short-term	18,819	20,235
Lease liabilties, long-term	97,477	94,845
Right of use assets (1)	623	832
Lease liabilties, short-term (2)	282	254
Lease liabilties, long-term (3)	360	588
Cash paid for amounts included in the measurements of lease liabilities, operating	27,011	26,842	$ 26,913
Cash paid for amounts included in the measurements of lease liabilitiesCash paid for amounts included in the measurements of lease liabilities, financing	0	103	302
Lease liabilities arising from new right-of-use assets, operating	8,541	15,678	23,171
Lease liabilities arising from new right-of-use assets, financing	$ 0	$ 927	$ 73
Weighted average remaining lease terms (years), operating (Year)	6 years 2 months 12 days	6 years 3 months 18 days	6 years 4 months 24 days
Weighted average discount rates, operating	5.53%	5.07%	5.00%
Weighted average remaining lease terms (years)Weighted average remaining lease terms (years), financing (Year)	2 years 3 months 18 days	3 years 2 months 12 days
Weighted average discount rates, financing	4.68%	4.63%