Note 8 - Stockholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Billions		12 Months Ended
	Apr. 07, 2022	Dec. 02, 2023	Dec. 03, 2022	Nov. 27, 2021
Preferred Stock, Shares Authorized (in shares)		10,045,900	10,045,900
Common Stock, Shares Authorized (in shares)		160,000,000	160,000,000
Common Stock, Par or Stated Value Per Share (in dollars per share)		$ 1	$ 1
Common Stock, Shares, Issued (in shares)		54,092,987	53,676,576
Stock Repurchased During Period, Shares (in shares)		0	0	0
The 2017 Share Repurchase Program [Member]
Stock Repurchase Program, Authorized Amount	$ 0.3
Stock Repurchase Program, Period in Force (Year)	5 years
Stock Repurchase Program, Remaining Authorized Repurchase Amount			$ 0.3