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Note 11 - Held-to-maturity Securities by Contractual Maturity (Details) - USD ($) $ in Thousands | Dec. 28, 2019 | Sep. 28, 2019
--- | --- | ---
Due in one year or less, amortized cost | $ 63,594 | $ 51,091
Due in one year or less, fair market value | 63,985 | 51,325
Due after one year through five years, amortized cost | 55,289 | 79,360
Due after one year through five years, fair market value | 56,131 | 80,300
Due after five years through ten years, amortized cost | 0 | 0
Due after five years through ten years, fair market value | 0 | 0
Total held to maturity securities, amortized cost | 118,883 | 130,451
Total held to maturity securities, fair market value | 120,116 | 131,625
Less current portion, amortized cost | 63,594 | 51,091
Less current portion, fair market value | 63,985 | 51,325
Long term held to maturity securities, amortized cost | 55,289 | 79,360
Long term held to maturity securities, fair market value | $ 56,131 | $ 80,300

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