Commitments And Contingencies (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012	Mar. 30, 2013
Commitments And Contingencies [Abstract]
Product return period	90 days		90 days
Product warrany period	90 days		90 days
Warranty reserve	$ 52		$ 52		$ 54
Opretaing leases, rent expense		278		561
Operating Leases, Rent Expense, Net	$ 260		$ 517