Segment Information (Tables)

12 Months Ended

Mar. 30, 2013

Segment Information [Abstract]

Schedule Of Segment Revenue From Product Lines

	Fiscal Years Ended
	March 30,		March 31,		March 26,
	2013		2012		2011
Audio Products	$	754,769	$	350,743	$	264,840
Energy Products		55,017		76,100		104,731
	$	809,786	$	426,843	$	369,571

Schedule Of Sales By Geographic Location Based On The Sales Office Location

	Fiscal Years Ended
	March 30,		March 31,		March 26,
	2013		2012		2011
United States	$	38,670	$	50,230	$	66,701
United Kingdom		19,211		23,927		27,398
China		700,051		294,143		205,775
Hong Kong		8,590		8,671		9,216
Japan		9,299		15,196		16,902
South Korea		8,975		9,781		12,413
Taiwan		11,694		10,662		13,073
Other Asia		10,387		13,063		16,012
Other non-U.S. countries		2,909		1,170		2,081
Total consolidated sales	$	809,786	$	426,843	$	369,571

Schedule Of Property, Plant, And Equipment, Net, By Geographic Location

	Fiscal Years Ended
	March 30,		March 31,
	2013		2012
United States	$	100,343	$	66,530
United Kingdom		23		20
China		137		158
Hong Kong		5		3
Japan		25		167
South Korea		6		6
Taiwan		70		83
Other Asia		14		11
Total consolidated property, plant and equipment, net	$	100,623	$	66,978