Note 9 - Equity (Details Textual) - USD ($) $ / shares in Units, $ in Thousands			12 Months Ended
	Mar. 11, 2021	Mar. 08, 2021	Dec. 30, 2023	Dec. 31, 2022	Dec. 25, 2021	Oct. 25, 2022	Oct. 28, 2021
Proceeds from Issuance of Common Stock			$ 0	$ 0	$ 223,119
Stock Repurchase Program, Authorized Amount							$ 70,000
Stock Repurchase Program, Additional Authorized Amount						$ 70,000
Stock Repurchased During Period, Shares (in shares)			700,270	1,767,070
Stock Repurchased During Period, Value			$ 23,600	$ 50,700
Stock Repurchase Program, Remaining Authorized Repurchase Amount			$ 58,300
Underwritten Public Offering [Member]
Stock Issued During Period, Shares, New Issues (in shares)		4,950,000
Shares Issued, Price Per Share (in dollars per share)		$ 41
Proceeds from Issuance of Common Stock	$ 223,100
Over-Allotment Option [Member]
Stock Issued During Period, Shares, New Issues (in shares)	742,500