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Note 11 (Tables) | 6 Months Ended
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Mar. 28, 2015
Fair Value Disclosures [Abstract] |
Unrealized Gain (Loss) on Investments [Table Text Block] |
|  |  |  |  |  | Gross |  |  | Gross |  |  | Fair |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Market |
|  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
|  | (in thousands) |
Mutual Funds |  | $ | 117,366 |  |  | $ | 298 |  |  | $ | 3,130 |  |  | $ | 114,534 |
Preferred Stock |  |  | 13,133 |  |  |  | 105 |  |  |  | 18 |  |  |  | 13,220 |
|  | $ | 130,499 |  |  | $ | 403 |  |  | $ | 3,148 |  |  | $ | 127,754 |
|  |  |  |  |  | Gross |  |  | Gross |  |  | Fair |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Market |
|  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
|  | (in thousands) |
US Government Agency Debt |  | $ | 2,000 |  |  | $ | - |  |  | $ | 13 |  |  | $ | 1,987 |
Total investment securities held to maturity |  | $ | 2,000 |  |  | $ | - |  |  | $ | 13 |  |  | $ | 1,987 |
|  |  |  |  |  | Gross |  |  | Gross |  |  | Fair |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Market |
|  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
|  | (in thousands) |
Mutual Funds |  | $ | 129,473 |  |  | $ | 760 |  |  | $ | 2,116 |  |  | $ | 128,117 |
Total investment securities available for sale |  | $ | 129,473 |  |  | $ | 760 |  |  | $ | 2,116 |  |  | $ | 128,117 |
Investments Classified by Contractual Maturity Date [Table Text Block] |
|  | March 28, 2015 |  |  | September 27, 2014 |
|  |  |  |  |  | Fair |  |  |  |  |  |  | Fair |
|  | Amortized |  |  | Market |  |  | Amortized |  |  | Market |
|  | Cost |  |  | Value |  |  | Cost |  |  | Value |
|  | (in thousands) |
Due in one year or less |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | - |
Due after one year through five years |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Due after five years through ten years |  |  | - |  |  |  | - |  |  |  | 2,000 |  |  |  | 1,987 |
Total held to maturity securities |  | $ | - |  |  | $ | - |  |  | $ | 2,000 |  |  | $ | 1,987 |
Less current portion |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Long term held to maturity securities |  | $ | - |  |  | $ | - |  |  | $ | 2,000 |  |  | $ | 1,987 |

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