Note 10. Goodwill and Intangible Assets (Tables)

12 Months Ended

Mar. 31, 2013

Schedule of Goodwill [Table Text Block]

	Amount
Balance as of March 27, 2011	$	3,184
Goodwill additions		—
Balance as of April 1, 2012	$	3,184
Goodwill additions		7,172
Balance as of March 31, 2013	$	10,356

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	March 31, 2013							April 1, 2012
	Carrying Amount		Accumulated Amortization			Net Carrying Amount		Carrying Amount		Accumulated Amortization			Net Carrying Amount
Existing technology	$	42,858	$	(30,668	)	$	12,190	$	34,848	$	(27,286	)	$	7,562
Patents/Core technology		3,459		(3,182	)		277		3,736		(2,855	)		881
Distributor relationships		1,264		(1,219	)		45		1,264		(1,119	)		145
Customer relationships		2,905		(2,079	)		826		2,905		(1,751	)		1,154
Tradenames/Trademarks		1,025		(1,025	)		—		1,025		(1,012	)		13
Total	$	51,511	$	(38,173	)	$	13,338	$	43,778	$	(34,023	)	$	9,755

Schedule of Expected Amortization Expense [Table Text Block]

	March 31, 2013		April 1, 2012		March 27, 2011
Amortization expense	$	4,150	$	6,700	$	10,233

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Fiscal Year	Amount
2014	$	5,734
2015		3,508
2016		2,332
2017		965
2018		786
2019 and thereafter		13
Total future amortization	$	13,338