Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 29, 2014	Dec. 28, 2013
Current assets:
Cash and cash equivalents	$ 112,166	$ 114,310
Short-term marketable securities	107,349	101,505
Accounts receivable, net	66,674	50,085
Inventories	58,180	46,222
Prepaid expenses and other current assets	12,945	13,679
Total current assets	357,314	325,801
Property and equipment, less accumulated depreciation	41,432	41,719
Long-term marketable securities	5,241	5,241
Other long-term assets	5,336	6,120
Intangible assets, net of amortization	11,747	12,484
Goodwill	44,808	44,808
Deferred income taxes	10,651	11,703
Total assets	476,529	447,876
Current liabilities:
Accounts payable and accrued expenses	42,480	37,454
Accrued payroll obligations	9,062	13,659
Deferred income and allowances on sales to sell-through distributors	16,980	7,495
Total current liabilities	68,522	58,608
Long-term liabilities	3,264	3,588
Total liabilities	71,786	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, 117,332,000 and 115,671,000 shares issued and outstanding	1,173	1,157
Paid-in capital	634,160	626,861
Accumulated other comprehensive loss	(381)	(145)
Accumulated deficit	(230,209)	(242,193)
Total stockholders' equity	404,743	385,680
Total liabilities and stockholders' equity	$ 476,529	$ 447,876