Note 9 - Accounting for Share-based Compensation - Fair Value of Options Granted (Details) - $ / shares	12 Months Ended
	Dec. 03, 2022	Nov. 27, 2021	Nov. 28, 2020
Expected life (Year)	5 years	5 years	5 years
Weighted-average expected volatility	33.35%	32.50%	24.32%
Weighted-average expected dividend	0.95%	1.26%	1.38%
Weighted-average fair value of grants (in dollars per share)	$ 20.91	$ 13.29	$ 9.63
Minimum [Member]
Expected volatility range	33.33%	32.48%	24.18%
Risk-free interest rate	1.53%	0.39%	0.21%
Expected dividend yield range	0.94%	0.92%	1.35%
Maximum [Member]
Expected volatility range	34.34%	32.94%	30.99%
Risk-free interest rate	4.06%	1.20%	1.51%
Expected dividend yield range	1.23%	1.27%	2.53%