Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 29, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 138,250	$ 141,423
Short-term marketable securities	47,971	68,711
Accounts receivable, net	56,020	36,993
Inventories	37,429	37,278
Prepaid expenses and other current assets	16,020	16,200
Total current assets	295,690	300,605
Property and equipment, less accumulated depreciation	41,314	40,430
Long-term marketable securities	4,661	6,946
Other long-term assets	7,880	11,628
Intangible assets, net of amortization	16,167	18,377
Goodwill	44,808	44,808
Deferred income taxes	27,217	45,130
Total assets	437,737	467,924
Current liabilities:
Accounts payable and accrued expenses	32,867	31,842
Accrued payroll obligations	7,738	9,373
Deferred income and allowances on sales to sell-through distributors	11,183	10,761
Total current liabilities	51,788	51,976
Long-term liabilities	18,997	22,387
Total liabilities	70,785	74,363
Commitments and contingencies
Stockholders' equity:
Preferred stock, $.01 par value, 10,000,000 shares authorized, none issued and outstanding	0	0
Common stock, $.01 par value, 300,000,000 shares authorized, 116,139,000 and 117,675,000 shares issued and outstanding	1,161	1,177
Paid-in capital	623,292	627,637
Accumulated other comprehensive loss	(162)	(345)
Accumulated deficit	(257,339)	(234,908)
Total stockholders' equity	366,952	393,561
Total liabilities and stockholders' equity	$ 437,737	$ 467,924