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Commitments And Contingencies (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Jun. 29, 2013
Jun. 30, 2012
Mar. 30, 2013
Commitments And Contingencies [Abstract]      
Product return period 90 days    
Product warrany period 90 days    
Warranty reserve $ 53   $ 54
Operating Leases, Rent Expense, Net $ 257 $ 281