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Note 13 - Employee Benefit Plans (Details) - Pension Expense (Benefit) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jul. 01, 2012
Jun. 30, 2013
Jul. 01, 2012
Pension Expense (Benefit) [Abstract]        
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