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Marketable Securities (Tables) | 12 Months Ended
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Dec. 29, 2012
Marketable Securities [Abstract] |
Marketable securities [Table Text Block] | Marketable securities, as of December 29, 2012 and December 31, 2011, consisted of:
|  |  |  | 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
|  |  |  | Gross |  | Gross |  |
(dollars in thousands) |  | Amortized |  | Unrealized |  | Unrealized |  | Fair
December 31, 2011 |  | Cost |  | Holding Gains |  | Holding Losses |  | Value
Available-for-sale: |  |  |  |  |  |  |  |
Level 1 |  |  |  |  |  |  |  |
Equity securities | $ | 1,713 | $ | 7,735 | $ | --- | $ | 9,448
Level 2 |  |  |  |  |  |  |  |
Municipal bonds |  | 78,388 |  | 1,512 |  | --- |  | 79,900
| $ | 80,101 | $ | 9,247 | $ | --- | $ | 89,348
Maturities of marketable securities classified as available-for-sale [Table Text Block] | Maturities of marketable securities classified as available-for-sale at December 29, 2012, were as follows:
|  | Amortized |  | Fair
(dollars in thousands) |  | Cost |  | Value
Available-for-sale: |  |  |  |
Due within one year | $ | 4,078 | $ | 3,933
Due after one year through five years |  | 49,607 |  | 49,255
Due after five years through ten years |  | 17,655 |  | 18,963
Due after ten years |  | 1,500 |  | 1,500
Equity securities |  | 1,136 |  | 8,850
| $ | 73,976 | $ | 82,501

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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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