Note 8 - Stockholders' Equity - Common Stock Outstanding (Details) - shares	12 Months Ended
	Nov. 30, 2024	Dec. 02, 2023	Dec. 03, 2022
Beginning balance (in shares)	54,092,987	53,676,576	52,777,753
Stock options exercised (in shares)	746,892	314,832	657,789
Deferred compensation paid (in shares)	20,691	102,108	118,429
Restricted units vested (in shares)	297,035	113,339	172,474
Shares withheld for taxes (in shares)	(93,102)	(113,868)	(49,869)
Share repurchases (in shares)	(407,400)	0	0
Ending balance (in shares)	54,657,103	54,092,987	53,676,576