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Marketable Securities (Tables) | 12 Months Ended
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Dec. 28, 2013
Marketable Securities [Abstract] |
Marketable securities [Table Text Block] | Marketable securities, as of December 28, 2013 and December 29, 2012, consisted of:
|  |  | Gross | Gross |  |
(dollars in thousands) | Amortized | Unrealized | Unrealized | Fair
December 28, 2013 | Cost | Holding Gains | Holding Losses | Value
Available-for-sale: |  |  |  |  |  |  |  |
Level 1 |  |  |  |  |  |  |  |
Equity securities | $ | 970 | $ | 7,239 | $ | - | $ | 8,209
Level 2 |  |  |  |  |  |  |  |
Municipal bonds |  | 55,431 |  | 686 |  | (1,233) |  | 54,884
| $ | 56,401 | $ | 7,925 | $ | (1,233) | $ | 63,093
|  |  | Gross | Gross |  |
(dollars in thousands) | Amortized | Unrealized | Unrealized | Fair
December 29, 2012 | Cost | Holding Gains | Holding Losses | Value
Available-for-sale: |  |  |  |  |  |  |  |
Level 1 |  |  |  |  |  |  |  |
Equity securities | $ | 1,136 | $ | 7,714 | $ | - | $ | 8,850
Level 2 |  |  |  |  |  |  |  |
Municipal bonds |  | 72,840 |  | 1,308 |  | (497) |  | 73,651
| $ | 73,976 | $ | 9,022 | $ | (497) | $ | 82,501
Maturities of marketable securities classified as available-for-sale [Table Text Block] | Maturities of marketable securities classified as available-for-sale at December 28, 2013, were as follows:
|  | Amortized |  | Fair
(dollars in thousands) |  | Cost |  | Value
Available-for-sale: |  |  |  |
Due within one year | $ | 2,304 | $ | 2,221
Due after one year through five years |  | 39,678 |  | 39,470
Due after five years through ten years |  | 13,449 |  | 13,193
Equity securities |  | 970 |  | 8,209
| $ | 56,401 | $ | 63,093

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- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
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- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
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