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Note 13 - Employee Benefit Plans | 6 Months Ended
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Jun. 30, 2013
Compensation and Retirement Disclosure [Abstract] |
Pension and Other Postretirement Benefits Disclosure [Text Block] | (13) Employee Benefit Plans Pension (benefit) expense consisted of the following (in thousands):
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, 2013 |  |  | July 1, 2012 |  |  | June 30, 2013 |  |  | July 1, 2012 |
|  | (Unaudited) |  |  | (Unaudited) |
Service cost |  | $ | 5 |  |  | $ | 10 |  |  | $ | 12 |  |  | $ | 20 |
Interest cost on projected benefit obligation |  |  | 410 |  |  |  | 466 |  |  |  | 826 |  |  |  | 932 |
Net amortizations, deferrals and other costs |  |  | 200 |  |  |  | 201 |  |  |  | 412 |  |  |  | 402 |
Expected return on plan assets |  |  | (631 | ) |  |  | (608 | ) |  |  | (1,261 | ) |  |  | (1,216 | )
|  | $ | (16 | ) |  | $ | 69 |  |  | $ | (11 | ) |  | $ | 138 |

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 + Details
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