Segment Information (Tables)

3 Months Ended

Jun. 30, 2012

Segment Information [Abstract]

Schedule Of Segment Revenue From Product Lines

	Three Months Ended
	June 30,		June 25,
	2012		2011
Audio Products	$	80,747	$	71,119
Energy Products		18,259		21,123
	$	99,006	$	92,242