Note 10 - Common Stock Repurchase Program (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jul. 02, 2022	Jul. 03, 2021	Nov. 08, 2021
Stock Repurchased and Retired During Period, Shares (in shares)	734,292		978,355
Stock Repurchased and Retired During Period, Value	$ 35,161	$ 25,111	$ 50,161	$ 40,113
Treasury Stock Acquired, Average Cost Per Share (in dollars per share)	$ 47.88		$ 51.27
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 40,000		$ 40,000
Repurchase Program 2022 [Member]
Stock Repurchase Program, Authorized Amount					$ 100,000