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Note 11 (Tables) | 6 Months Ended
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Mar. 29, 2014
Fair Value Disclosures [Abstract] |
Unrealized Gain (Loss) on Investments [Table Text Block] |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Market Value |
|  | (in thousands) |
US Government Agency Debt |  | $ | 2,000 |  |  |  | - |  |  | $ | 32 |  |  | $ | 1,968 |
|  | $ | 2,000 |  |  | $ | - |  |  | $ | 32 |  |  | $ | 1,968 |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Market Value |
|  | (in thousands) |
Mutual Funds |  | $ | 129,538 |  |  | $ | 779 |  |  | $ | 1,577 |  |  | $ | 128,740 |
|  | $ | 129,538 |  |  | $ | 779 |  |  | $ | 1,577 |  |  | $ | 128,740 |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Market Value |
|  | (in thousands) |
US Government Agency Debt |  | $ | 2,000 |  |  | $ | - |  |  | $ | 50 |  |  | $ | 1,950 |
Certificates of Deposit |  |  | 256 |  |  |  | - |  |  |  | - |  |  |  | 256 |
|  | $ | 2,256 |  |  | $ | - |  |  | $ | 50 |  |  | $ | 2,206 |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Market Value |
|  | (in thousands) |
Mutual Funds |  | $ | 109,891 |  |  | $ | 254 |  |  | $ | 2,481 |  |  | $ | 107,664 |
|  | $ | 109,891 |  |  | $ | 254 |  |  | $ | 2,481 |  |  | $ | 107,664 |
Investments Classified by Contractual Maturity Date [Table Text Block] |
|  | March 29, 2014 |  |  | September 28, 2013 |
|  | Amortized Cost |  |  | Fair Market Value |  |  | Amortized Cost |  |  | Fair Market Value |
|  | (in thousands) |
Due in one year or less |  | $ | - |  |  | $ | - |  |  | $ | 256 |  |  | $ | 256 |
Due after one year through five years |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Due after five years through ten years |  |  | 2,000 |  |  |  | 1,968 |  |  |  | 2,000 |  |  |  | 1,950 |
Total held to maturity securities |  | $ | 2,000 |  |  | $ | 1,968 |  |  | $ | 2,256 |  |  | $ | 2,206 |
Less current portion |  |  | - |  |  |  | - |  |  |  | 256 |  |  |  | 256 |
Long term held to maturity securities |  | $ | 2,000 |  |  | $ | 1,968 |  |  | $ | 2,000 |  |  | $ | 1,950 |

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