Note 9 - Accounting for Share-based Compensation - Stock Option Activity (Details) - $ / shares	12 Months Ended
	Dec. 03, 2022	Nov. 27, 2021	Nov. 28, 2020
Outstanding Options (in shares)	4,972,392	5,545,915	5,060,310
Outstanding Options, weighted-average exercise price (in dollars per share)	$ 47.45	$ 47.34	$ 46.04
Granted (in shares)	549,458	1,237,094	1,052,968
Granted, weighted-average exercise price (in dollars per share)	$ 72.75	$ 53.33	$ 47.70
Exercised (in shares)	(657,789)	(740,731)	(397,456)
Exercised, weighted-average exercise price (in dollars per share)	$ 45.79	$ 43.64	$ 31.00
Forfeited or cancelled (in shares)	(40,991)	(1,069,886)	(169,907)
Forfeited or cancelled, weighted-average exercise price (in dollars per share)	$ 61.31	$ 56.33	$ 49.11
Outstanding Options (in shares)	4,823,070	4,972,392	5,545,915
Outstanding Options, weighted-average exercise price (in dollars per share)	$ 50.42	$ 47.45	$ 47.34