Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares shares in Thousands	Mar. 28, 2026	Dec. 27, 2025
Preferred Stock, Par or Stated Value Per Share (in dollars per share)	$ 1	$ 1
Preferred Stock, Shares Authorized (in shares)	1,000	1,000
Preferred Stock, Shares Issued (in shares)	0	0
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 1	$ 1
Common Stock, Shares Authorized (in shares)	90,000	90,000
Common Stock, Shares, Outstanding (in shares)	50,166	49,875
Common Stock, Shares, Issued (in shares)	50,166	49,875
Treasury Stock, Common, Shares (in shares)	2,997	3,030