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Note 14 - Employee Benefit Plans | 3 Months Ended
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Apr. 03, 2016
Notes to Financial Statements |
Pension and Other Postretirement Benefits Disclosure [Text Block] | (14) Employee Benefit Plans Pension expense (benefit) consisted of the following (in thousands):
|  | Three Months Ended |
|  | April 3, |  |  | April 5, |
|  | 2016 |  |  | 2015 |
|  | (Unaudited) |
Service cost |  | $ | 3 |  |  | $ | 4 |
Interest cost on projected benefit obligation |  |  | 426 |  |  |  | 434 |
Net amortizations of actuarial loss |  |  | 174 |  |  |  | 170 |
Expected return on plan assets |  |  | (496 | ) |  |  | (564 | )
|  | $ | 107 |  |  | $ | 44 |

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