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Note 8 - Other Expense (Income), Net (Details) (Other Nonoperating Income (Expense) [Member], USD $)
3 Months Ended 6 Months Ended
Jun. 29, 2014
Jun. 30, 2013
Jun. 29, 2014
Jun. 30, 2013
Other Nonoperating Income (Expense) [Member]
       
Note 8 - Other Expense (Income), Net (Details) [Line Items]        
Gain (Loss) on Disposition of Assets $ 123,000 $ 17,000 $ 714,000 $ 1,682,000
Foreign Currency Transaction Gain (Loss), Realized $ (65,000) $ 187,000 $ (96,000) $ (386,000)