Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Jul. 01, 2012	Apr. 01, 2012
Current assets:
Cash and cash equivalents	$ 10,225	$ 8,714
Short-term marketable securities	184,888	187,668
Accounts receivable (net of allowances of $715 and $781)	10,540	8,454
Accounts receivable, related party (net of allowances of $545 and $815)	4,091	2,918
Inventories	16,238	18,374
Other current assets	3,505	3,124
Total current assets	229,487	229,252
Property, plant and equipment, net	25,975	27,793
Goodwill	3,184	3,184
Intangible assets, net	9,030	9,755
Other non-current assets	1,581	1,668
Total assets	269,257	271,652
Current liabilities:
Accounts payable	8,504	7,823
Accrued compensation and related benefits	3,645	3,918
Deferred income and allowances on sales to distributors	3,063	3,410
Deferred income and allowances on sales to distributors, related party	9,634	9,608
Other current liabilities	10,045	13,615
Total current liabilities	34,891	38,374
Long-term lease financing obligations	3,456	3,771
Other non-current obligations	6,267	6,215
Total liabilities	44,614	48,360
Commitments and contingencies (Notes 14 and 15)
Stockholders' equity:
Common stock, $.0001 par value; 100,000,000 shares authorized; 45,593,993 and 45,245,233 shares outstanding at July 1, 2012 and April 1, 2012, respectively	5	5
Additional paid-in capital	737,055	734,821
Accumulated other comprehensive loss	(508)	(201)
Treasury stock at cost, 19,924,369 shares at July 1, 2012 and April 1, 2012	(248,983)	(248,983)
Accumulated deficit	(262,926)	(262,350)
Total stockholders' equity	224,643	223,292
Total liabilities and stockholders' equity	$ 269,257	$ 271,652