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Shareholders' Equity (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Oct. 02, 2021 | Oct. 03, 2020 | Sep. 28, 2019 | Nov. 20, 2020
Class A Common Stock |  |  |  |
Class of Stock |  |  |  |
Common stock voting rights | one-tenth |  |  |
Minimum percentage of the board of directors to be elected by class of shares | 25.00% |  |  |
Class B Common Stock |  |  |  |
Class of Stock |  |  |  |
Common stock voting rights | one |  |  |
Common stock conversion basis | one-for-one |  |  |
Preferred Stock |  |  |  |
Class of Stock |  |  |  |
Preferred stock, shares authorized | 10,000,000 |  |  |
2014 Long Term Incentive Plan |  |  |  |
Class of Stock |  |  |  |
Number of shares authorized for awards available for grant | 883,111 |  |  |
Share Repurchase Program - November 2020 | Class A and Class B Common Stock |  |  |  |
Class of Stock |  |  |  |
Stock Repurchase Program, Number of Shares Authorized to be Repurchased |  |  |  | 3,000,000
Stock repurchased during period, shares | 243,147 |  |  |
Stock repurchased during period, value | $ 19,253 |  |  |
Stock repurchase program, remaining number of shares authorized to be repurchased | 2,756,853 |  |  |
Share Repurchase Program | Class A and Class B Common Stock |  |  |  |
Class of Stock |  |  |  |
Stock repurchased during period, shares | 155,963 | 2,881,116 | 302,184 |
Stock repurchased during period, value | $ 10,193 | $ 215,776 | $ 23,358 |
Stock repurchase program, remaining number of shares authorized to be repurchased | 0 |  |  |

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