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CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) - USD ($)
$ in Thousands
Apr. 01, 2022
Oct. 01, 2021
Apr. 02, 2021
Accumulated depreciation $ 170,277 $ 163,891 $ 162,934
Treasury stock (shares) 46,045 42,598 41,977
Class A      
Common stock, issued (shares) 8,960,104 8,915,636 8,906,624
Common stock, shares outstanding (shares) 8,960,104 8,915,636 8,906,624
Class B      
Common stock, issued (shares) 1,207,882 1,211,564 1,211,564
Common stock, shares outstanding (shares) 1,207,882 1,211,564 1,211,564