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Note 17 - Income Taxes (Details) (USD $)
3 Months Ended 6 Months Ended
Sep. 28, 2014
Sep. 29, 2013
Sep. 28, 2014
Sep. 29, 2013
Note 17 - Income Taxes (Details) [Line Items]        
Income Tax Expense (Benefit) $ 107,000 $ (6,767,000) $ 799,000 $ (6,776,000)
Unrecognized Tax Benefits, Period Increase (Decrease) (18,000)      
Unrecognized Tax Benefits 16,900,000   16,900,000  
Unrecognized Tax Benefits that Would Impact Effective Tax Rate $ 14,000,000   $ 14,000,000  
Earliest Tax Year [Member]
       
Note 17 - Income Taxes (Details) [Line Items]        
Open Tax Year     2003  
Latest Tax Year [Member]
       
Note 17 - Income Taxes (Details) [Line Items]        
Open Tax Year     2013