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v3.23.3

Shareholders' Equity (Details) | 12 Months Ended |
--- | --- | ---
Sep. 30, 2023 USD ($) vote $ / shares shares | Sep. 24, 2022 USD ($) $ / shares shares | Sep. 25, 2021 USD ($) | Aug. 31, 2019 USD ($)
Class of Stock [Line Items] |  |  |  |
Preferred stock authorized (in shares) | 1,000,000 | 1,000,000 |  |
Preferred stock, par value (in usd per share) | $ / shares | $ 0.01 | $ 0.01 |  |
Preferred stock, shares outstanding | 0 | 0 |  |
Repurchased of stock | $ | $ 30,735,000 | $ 57,795,000 | $ 21,839,000 |
2019 Repurchase Authorization |  |  |  |
Class of Stock [Line Items] |  |  |  |
Stock repurchase program, authorized amount | $ |  |  |  | $ 100,000,000
Stock repurchase program remaining authorized amount | $ | $ 83,200,000 |  |  |
Equity Dilution Authorization |  |  |  |
Class of Stock [Line Items] |  |  |  |
Stock repurchase, remaining authorization (in shares) | 0 |  |  |
Common stock |  |  |  |
Class of Stock [Line Items] |  |  |  |
Common stock authorized (in shares) | 80,000,000 | 80,000,000 |  |
Common stock, par value (in usd per share) | $ / shares | $ 0.01 | $ 0.01 |  |
Common stock, shares outstanding (in shares) | 11,077,612 | 11,296,351 |  |
Class A common stock |  |  |  |
Class of Stock [Line Items] |  |  |  |
Common stock authorized (in shares) | 100,000,000 | 100,000,000 |  |
Common stock, par value (in usd per share) | $ / shares | $ 0.01 | $ 0.01 |  |
Common stock, shares outstanding (in shares) | 41,042,325 | 41,336,223 |  |
Class B stock |  |  |  |
Class of Stock [Line Items] |  |  |  |
Common stock authorized (in shares) | 3,000,000 | 3,000,000 |  |
Common stock, par value (in usd per share) | $ / shares | $ 0.01 | $ 0.01 |  |
Common stock, shares outstanding (in shares) | 1,602,374 | 1,612,374 |  |
Percentage of vote cast for shares (percent) | 49.00% |  |  |
Convertible shares conversion ratio | 1 |  |  |
Class B stock | Minimum |  |  |  |
Class of Stock [Line Items] |  |  |  |
Number of voting powers | vote | 1 |  |  |
Class B stock | Maximum |  |  |  |
Class of Stock [Line Items] |  |  |  |
Number of voting powers | vote | 10 |  |  |
Non voting common stock |  |  |  |
Class of Stock [Line Items] |  |  |  |
Repurchased of stock (in shares) | 600,000 |  |  |
Repurchased of stock | $ | $ 22,200,000 |  |  |
Repurchases of stock (in usd per share) | $ / shares | $ 35.31 |  |  |
Voting Stock |  |  |  |
Class of Stock [Line Items] |  |  |  |
Repurchased of stock | $ | $ 200,000 |  |  |
Common Stock |  |  |  |
Class of Stock [Line Items] |  |  |  |
Repurchased of stock | $ | $ 8,500,000 |  |  |
Repurchases of stock (in usd per share) | $ / shares | $ 37.31 |  |  |

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