Note 18. Income Taxes (Tables)

12 Months Ended

Mar. 31, 2013

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	March 31, 2013			April 1, 2012			March 27, 2011
Current:
Federal	$	(1,255	)	$	110		$	(37	)
State		(73	)		(235	)		(106	)
Foreign		114			218			388
Total current	$	(1,214	)	$	93		$	245
Deferred:
Federal	$	23		$	(39	)	$	9
State		2			(3	)		1
Total deferred	$	25		$	(42	)	$	10
Total provision for (benefit from) income taxes	$	(1,189	)	$	51		$	255

Schedule of Foreign Income Included In PreTax Income [Table Text Block]

	Fiscal Years Ended
	March 31, 2013		April 1, 2012		March 27, 2011
Foreign income	$	—	$	1,243	$	786

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	March 31, 2013			April 1, 2012
Deferred tax assets:
Reserves and expenses not currently deductible	$	8,049		$	9,369
Net operating loss carryforwards		124,662			124,952
Tax credits		29,109			29,567
Losses on investments		2,110			2,261
Intangible assets		6,225			8,215
Deferred margin		4,158			4,723
Depreciation		604			4,058
Total deferred tax assets		174,917			183,145
Deferred tax liabilities:
Unrealized investment gain		(116	)		(247	)
Non-goodwill intangibles		(930	)		(2,349	)
Total deferred tax liabilities		(1,046	)		(2,596	)
Valuation allowance		(173,927	)		(180,579	)
Net deferred tax liabilities	$	(56	)	$	(30	)

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	March 31, 2013			April 1, 2012			March 27, 2011
Income tax benefit at statutory rate	$	593		$	(10,061	)	$	(12,395	)
State income taxes, net of federal tax benefit		60			(824	)		(997	)
Deferred tax assets not benefited		(378	)		11,967			14,599
Tax credits		(539	)		(1,021	)		(1,605	)
Stock-based compensation		258			432			751
Foreign rate differential		148			(373	)		(61	)
Prior year tax expense true-up		11			12			(24	)
Other, net		(1,342	)		(81	)		(13	)
Provision for (benefit from) income taxes	$	(1,189	)	$	51		$	255

Summary of Operating Loss Carryforwards [Table Text Block]

Federal net operating loss carryforwards	$	317,745
State net operating loss carryforwards	$	154,121
Canada net operating loss carryforwards	$	30,656

Summary of Tax Credit Carryforwards [Table Text Block]

Federal tax credit carryforwards	$	9,258
State tax credit carryforwards	$	18,348
Canada tax credit carryforwards	$	7,886

Summary of Positions for which Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Table Text Block]

	Amount
Unrecognized tax benefits as of March 28, 2010	$	15,863
Gross increase related to prior year tax positions		179
Gross increase related to current year tax positions		857
Lapses in statute of limitation		(185	)
Unrecognized tax benefits as of March 27, 2011		16,714
Gross decrease related to prior year tax positions		(289	)
Gross increase related to current year tax positions		578
Lapses in statute of limitation		(183	)
Unrecognized tax benefits as of April 1, 2012		16,820
Gross decrease related to prior year tax positions		(271	)
Gross increase related to current year tax positions		292
Lapses in statute of limitation		(1,376	)
Unrecognized tax benefits as of March 31, 2013	$	15,465

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

	March 31, 2013		April 1, 2012
Unrecognized gross tax benefits	$	15,465	$	16,820
Less: amount used to reduce deferred tax assets		13,240		13,216
Net income tax payable(1)	$	2,225	$	3,604

Schedule Of Interest And Penalty Realted To Underpayment Of Tax [Table Text Block]

	March 31, 2013		April 1, 2012
Accrued interest and penalties	$	228	$	295