CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Dec. 30, 2021	Dec. 31, 2020
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
Treasury stock (in shares)	48,111	124,758
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)	24,345,356	23,264,259
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)	7,130,125	7,925,254
Common stock, outstanding (in shares)	7,130,125	7,925,254