Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 30, 2021
Accounts receivable, reserves	$ 876	$ 1,001
Preferred Stock, par (in dollars per share)	$ 1	$ 1
Preferred Stock, authorized (in shares)	1,000,000	1,000,000
Preferred Stock, issued (in shares)	0	0
Cost of common stock in treasury (in shares)	122,204	48,111
Common Stock
Common Stock, par (in dollars per share)	$ 1	$ 1
Common Stock, authorized (in shares)	50,000,000	50,000,000
Common Stock, issued (in shares)	24,498,243	24,345,356
Class B Common Stock
Common Stock, par (in dollars per share)	$ 1	$ 1
Common Stock, authorized (in shares)	33,000,000	33,000,000
Common Stock, issued (in shares)	7,110,875	7,130,125
Common Stock, outstanding (in shares)	7,110,875	7,130,125