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Note 1 - General (Detail) (USD $)
3 Months Ended
Jun. 30, 2012
Jun. 25, 2011
Share-based Compensation (in Dollars) $ 75,000 $ 258,000
Notional Amount of Foreign Currency Derivatives (in Dollars) 1,600,000  
Less Than [Member]
   
Share-based Compensation (in Dollars) 100,000 300,000
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge (in Dollars) $ 100,000