Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Apr. 01, 2012
Current assets:
Cash and cash equivalents	$ 14,718	$ 8,714
Short-term marketable securities	190,587	187,668
Accounts receivable (net of allowances of $944 and $781)	12,614	8,454
Accounts receivable, related party (net of allowances of $346 and $815)	3,374	2,918
Inventories	19,430	18,374
Other current assets	3,177	3,124
Total current assets	243,900	229,252
Property, plant and equipment, net	24,100	27,793
Goodwill	10,356	3,184
Intangible assets, net	13,338	9,755
Other non-current assets	1,474	1,668
Total assets	293,168	271,652
Current liabilities:
Accounts payable	9,455	7,823
Accrued compensation and related benefits	3,624	3,918
Deferred income and allowances on sales to distributors	2,399	3,410
Deferred income and allowances on sales to distributors, related party	9,475	9,608
Other current liabilities	15,215	13,615
Total current liabilities	40,168	38,374
Long-term lease financing obligations	1,342	3,771
Other non-current obligations	11,204	6,215
Total liabilities	52,714	48,360
Commitments and contingencies (Notes 15, 16 and 17)
Stockholders’ equity:
Common stock, $.0001 par value; 100,000,000 shares authorized; 46,607,246 and 45,245,233 shares outstanding (net of treasury shares)	5	5
Additional paid-in capital	749,426	734,821
Accumulated other comprehensive loss	(526)	(201)
Treasury stock at cost, 19,924,369 shares	(248,983)	(248,983)
Accumulated deficit	(259,468)	(262,350)
Total stockholders’ equity	240,454	223,292
Total liabilities and stockholders’ equity	$ 293,168	$ 271,652