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Note 11 (Tables) | 9 Months Ended
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Jun. 27, 2020
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 |  | $ | 86,171 |  |  | $ | 1,416 |  |  | $ | 75 |  |  | $ | 87,512 |
Certificates of Deposit |  |  | 960 |  |  |  | 3 |  |  |  | - |  |  |  | 963 |
Total marketable securities held to maturity |  | $ | 87,131 |  |  | $ | 1,419 |  |  | $ | 75 |  |  | $ | 88,475 |
|  |  |  |  |  | Gross |  |  | Gross |  |  | Fair |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Market |
|  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
|  | (in thousands) |
Mutual Funds |  | $ | 3,588 |  |  | $ | - |  |  | $ | 786 |  |  | $ | 2,802 |
Preferred Stock |  |  | 11,596 |  |  |  | 90 |  |  |  | 1,256 |  |  |  | 10,430 |
Total marketable securities available for sale |  | $ | 15,184 |  |  | $ | 90 |  |  | $ | 2,042 |  |  | $ | 13,232 |
|  |  |  |  |  | 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 |
Investments Classified by Contractual Maturity Date [Table Text Block] |
|  | June 27, 2020 |  |  | September 28, 2019 |
|  |  |  |  |  | Fair |  |  |  |  |  |  | Fair |
|  | Amortized |  |  | Market |  |  | Amortized |  |  | Market |
|  | Cost |  |  | Value |  |  | Cost |  |  | Value |
|  |  |  |  |  | (in thousands) |  |  |  |  |
Due in one year or less |  | $ | 58,268 |  |  | $ | 58,920 |  |  | $ | 51,091 |  |  | $ | 51,325 |
Due after one year through five years |  |  | 28,863 |  |  |  | 29,555 |  |  |  | 79,360 |  |  |  | 80,300 |
Due after five years through ten years |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Total held to maturity securities |  | $ | 87,131 |  |  | $ | 88,475 |  |  | $ | 130,451 |  |  | $ | 131,625 |
Less current portion |  |  | 58,268 |  |  |  | 58,920 |  |  |  | 51,091 |  |  |  | 51,325 |
Long term held to maturity securities |  | $ | 28,863 |  |  | $ | 29,555 |  |  | $ | 79,360 |  |  | $ | 80,300 |

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