Note 9 - Accounting for Share-based Compensation - Stock Option Activity (Details) - $ / shares	12 Months Ended
	Nov. 30, 2024	Dec. 02, 2023	Dec. 03, 2022
Outstanding Options (in shares)	4,941,885	4,823,070	4,972,392
Outstanding Options, weighted-average exercise price (in dollars per share)	$ 52.28	$ 50.42	$ 47.45
Granted (in shares)	470,748	471,975	549,458
Granted, weighted-average exercise price (in dollars per share)	$ 77.77	$ 68.27	$ 72.75
Exercised (in shares)	(746,892)	(314,832)	(657,789)
Exercised, weighted-average exercise price (in dollars per share)	$ 48.1	$ 46.43	$ 45.79
Forfeited or cancelled (in shares)	(60,637)	(38,328)	(40,991)
Forfeited or cancelled, weighted-average exercise price (in dollars per share)	$ 64.07	$ 63.52	$ 61.31
Outstanding Options (in shares)	4,605,104	4,941,885	4,823,070
Outstanding Options, weighted-average exercise price (in dollars per share)	$ 55.4	$ 52.28	$ 50.42