Commitments And Contingencies (Schedule Of Product Return Liability) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Dec. 29, 2012		Dec. 31, 2011		Dec. 29, 2012		Dec. 31, 2011
Commitments And Contingencies [Abstract]
Balance at Beginning of Period	$ 214		$ 189		$ 213		$ 234
Charge	9		3		229		19
Deductions and Other	(18)	[1]	(20)	[1]	(237)	[1]	(81)	[1]
Balance at End of Period	$ 205		$ 172		$ 205		$ 172

[1] Represents amounts charged to the allowance for sales returns.