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COMMON STOCK (Schedule Of Authorized And Outstanding Shares By Class) (Details) - $ / shares | Sep. 29, 2017 | Sep. 30, 2016
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Class A |  |
Class of Stock [Line Items] |  |
Par Value (USD per share) | $ 0.05 | $ 0.05
Authorized (shares) | 20,000,000 | 20,000,000
Outstanding (shares) | 8,784,513 | 8,778,028
Class B |  |
Class of Stock [Line Items] |  |
Par Value (USD per share) | $ 0.05 | $ 0.05
Authorized (shares) | 3,000,000 | 3,000,000
Outstanding (shares) | 1,211,686 | 1,212,006

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