Note 8 - Stockholders' Equity - Common Stock Outstanding (Details) - shares	12 Months Ended
	Dec. 03, 2022	Nov. 27, 2021	Nov. 28, 2020
Beginning balance (in shares)	52,777,753	51,906,663	51,241,190
Stock options exercised (in shares)	657,789	740,731	397,456
Deferred compensation paid (in shares)	118,429	19,895	118,742
Restricted units vested (in shares)	172,474	157,945	221,275
Shares withheld for taxes (in shares)	(49,869)	(47,481)	(72,000)
Ending balance (in shares)	53,676,576	52,777,753	51,906,663