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Note 17 - Income Taxes (Details) (USD $)
3 Months Ended 9 Months Ended
Dec. 28, 2014
Dec. 29, 2013
Dec. 28, 2014
Dec. 29, 2013
Note 17 - Income Taxes (Details) [Line Items]        
Income Tax Expense (Benefit) $ 71,000us-gaap_IncomeTaxExpenseBenefit $ (1,405,000)us-gaap_IncomeTaxExpenseBenefit $ 870,000us-gaap_IncomeTaxExpenseBenefit $ (8,181,000)us-gaap_IncomeTaxExpenseBenefit
Unrecognized Tax Benefits, Period Increase (Decrease) 300,000us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease      
Unrecognized Tax Benefits 17,200,000us-gaap_UnrecognizedTaxBenefits   17,200,000us-gaap_UnrecognizedTaxBenefits  
Unrecognized Tax Benefits that Would Impact Effective Tax Rate $ 14,400,000us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate   $ 14,400,000us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate  
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