Note 11 - Leases - Supplemental Lease Disclosures (Details) $ in Thousands	9 Months Ended
	Aug. 29, 2020 USD ($)
Cash paid for amounts included in the measurements of lease liabilities, operating	$ 25,113
Cash paid for amounts included in the measurements of lease liabilities, financing	124
Lease liabilities arising from new right-of-use assets, operating	5,426
Lease liabilities arising from new right-of-use assets, financing	$ 1,426
Weighted average remaining lease terms (years), operating (Year)	6 years 3 months 18 days
Weighted average remaining lease terms (years), financing (Year)	5 years
Weighted average discount rates, operating	5.01%
Weighted average discount rates, financing	4.56%