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CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) - USD ($) $ in Thousands | Mar. 31, 2023 | Sep. 30, 2022 | Apr. 01, 2022
--- | --- | --- | ---
Accumulated depreciation | $ 171,961 | $ 171,843 | $ 170,277
Treasury stock (in shares) | 20,149 | 45,961 | 46,045
Class A |  |  |
Common stock, issued (in shares) | 9,047,113 | 8,984,253 | 8,960,104
Common stock, shares outstanding (in shares) | 9,047,113 | 8,984,253 | 8,960,104
Class B |  |  |
Common stock, issued (in shares) | 1,207,798 | 1,207,798 | 1,207,882
Common stock, shares outstanding (in shares) | 1,207,798 | 1,207,798 | 1,207,882

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