Note 16 - Leases and Lease Guarantees (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2019	Nov. 24, 2018	Nov. 25, 2017
Operating Leases, Rent Expense, Total	$ 41,809	$ 38,970	$ 34,372
Operating Lease, Lease and Rental Expense, Unamortized Balance	8,050	6,716
Operating Lease, Lease and Rental Expense, Unamortized Balance, Noncurrent	6,799	5,715
Real Estate Rental Income (Loss), Net of Expense	(156)	(23)	$ (48)
Loss Contingency, Estimate of Possible Loss	1,751	1,995
Lease Obligations of Licensee Operators [Member]
Loss Contingency, Estimate of Possible Loss	$ 1,776	$ 2,021
Minimum [Member]
Lease Guarantees Term	1 year
Minimum [Member] | Retail Stores [Member]
Operating Lease, Lease Term	1 year
Renewal Term On Operating Lease	5 years
Minimum [Member] | Transportation Equipment Leases [Member]
Operating Lease, Lease Term	2 years
Maximum [Member]
Lease Guarantees Term	3 years
Maximum [Member] | Retail Stores [Member]
Operating Lease, Lease Term	15 years
Renewal Term On Operating Lease	15 years
Maximum [Member] | Transportation Equipment Leases [Member]
Operating Lease, Lease Term	7 years