Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 28, 2014	Dec. 28, 2013
Current assets:
Cash and cash equivalents	$ 137,976	$ 114,310
Short-term marketable securities	109,061	101,505
Accounts receivable, net	66,289	50,085
Inventories	59,270	46,222
Prepaid expenses and other current assets	13,857	13,679
Total current assets	386,453	325,801
Property and equipment, less accumulated depreciation	41,132	41,719
Long-term marketable securities	0	5,241
Other long-term assets	8,921	6,120
Intangible assets, net of amortization	11,011	12,484
Goodwill	44,808	44,808
Deferred income taxes	9,325	11,703
Total assets	501,650	447,876
Current liabilities:
Accounts payable and accrued expenses	37,774	37,454
Accrued payroll obligations	10,500	13,659
Deferred income and allowances on sales to sell-through distributors	23,631	7,495
Total current liabilities	71,905	58,608
Long-term liabilities	7,195	3,588
Total liabilities	79,100	62,196
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, 118,364,668 and 115,671,000 shares issued and outstanding	1,184	1,157
Paid-in capital	640,329	626,861
Accumulated other comprehensive loss	(525)	(145)
Accumulated deficit	(218,438)	(242,193)
Total stockholders' equity	422,550	385,680
Total liabilities and stockholders' equity	$ 501,650	$ 447,876