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Note C - Investment Securities (Tables) | 12 Months Ended
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Sep. 28, 2019
Notes Tables |
Unrealized Gain (Loss) on Investments [Table Text Block] |
|  |  |  |  |  | Gross |  |  | Gross |  |  | Fair |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Market |
|  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
|  | (in thousands) |
Corporate Bonds |  | $ | 127,571 |  |  | $ | 1,204 |  |  | $ | 36 |  |  | $ | 128,739 |
Certificates of Deposit |  |  | 2,880 |  |  |  | 6 |  |  |  | - |  |  |  | 2,886 |
Total marketable securities held to maturity |  | $ | 130,451 |  |  | $ | 1,210 |  |  | $ | 36 |  |  | $ | 131,625 |
|  |  |  |  |  | Gross |  |  | Gross |  |  | Fair |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Market |
|  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
|  | (in thousands) |
Mutual Funds |  | $ | 5,549 |  |  | $ | - |  |  | $ | 495 |  |  | $ | 5,054 |
Preferred Stock |  |  | 14,598 |  |  |  | 266 |  |  |  | 15 |  |  |  | 14,849 |
Total marketable securities available for sale |  | $ | 20,147 |  |  | $ | 266 |  |  | $ | 510 |  |  | $ | 19,903 |
|  |  |  |  |  | Gross |  |  | Gross |  |  | Fair |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Market |
|  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
|  | (in thousands) |
Corporate Bonds |  | $ | 136,933 |  |  | $ | 28 |  |  | $ | 1,520 |  |  | $ | 135,441 |
Certificates of Deposit |  |  | 2,880 |  |  |  | - |  |  |  | 7 |  |  |  | 2,873 |
Total marketable securities held to maturity |  | $ | 139,813 |  |  | $ | 28 |  |  | $ | 1,527 |  |  | $ | 138,314 |
|  |  |  |  |  | Gross |  |  | Gross |  |  | Fair |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Market |
|  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
|  | (in thousands) |
Mutual Funds |  | $ | 8,978 |  |  | $ | - |  |  | $ | 295 |  |  | $ | 8,683 |
Preferred Stock |  |  | 15,680 |  |  |  | 380 |  |  |  | - |  |  |  | 16,060 |
Total marketable securities available for sale |  | $ | 24,658 |  |  | $ | 380 |  |  | $ | 295 |  |  | $ | 24,743 |
Investments Classified by Contractual Maturity Date [Table Text Block] |
|  | September 28, 2019 |  |  | September 29, 2018 |
|  |  |  |  |  | Fair |  |  |  |  |  |  | Fair |
|  | Amortized |  |  | Market |  |  | Amortized |  |  | Market |
|  | Cost |  |  | Value |  |  | Cost |  |  | Value |
|  | (in thousands) |
Due in one year or less |  | $ | 51,091 |  |  | $ | 51,325 |  |  | $ | 21,048 |  |  | $ | 21,001 |
Due after one year through five years |  |  | 79,360 |  |  |  | 80,300 |  |  |  | 118,765 |  |  |  | 117,313 |
Due after five years through ten years |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Total held to maturity securities |  | $ | 130,451 |  |  | $ | 131,625 |  |  | $ | 139,813 |  |  | $ | 138,314 |
Less current portion |  |  | 51,091 |  |  |  | 51,325 |  |  |  | 21,048 |  |  |  | 21,001 |
Long term held to maturity securities |  | $ | 79,360 |  |  | $ | 80,300 |  |  | $ | 118,765 |  |  | $ | 117,313 |

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