Note 15 - Leases and Lease Guarantees - Supplemental Lease Disclosures (Details) $ in Thousands	12 Months Ended
	Nov. 28, 2020 USD ($)
Cash paid for amounts included in the measurements of lease liabilities, operating	$ 35,310
Cash paid for amounts included in the measurements of lease liabilities, financing	260
Lease liabilities arising from new right-of-use assets, operating	10,804
Lease liabilities arising from new right-of-use assets, financing	$ 2,623
Weighted average remaining lease terms (years), operating (Year)	6 years 2 months 12 days
Weighted average remaining lease terms (years), financing (Year)	4 years 3 months 18 days
Weighted average discount rates, operating	4.98%
Weighted average discount rates, financing	4.43%