Condensed Consolidated Balance Sheets (USD $) In Thousands	Jul. 02, 2011	Jan. 01, 2011
Current assets:
Cash and cash equivalents	$ 134,824	$ 138,567
Short-term investments	198,766	227,295
Accounts receivable, net of allowance for doubtful accounts of $727 at July 2, 2011 and $772 at January 1, 2011	70,351	45,030
Inventories	38,097	39,450
Deferred income taxes	10,271	9,140
Prepaid expenses and other current assets	34,499	34,447
Total current assets	486,808	493,929
Long-term investments	17,196	17,500
Property and equipment, net	28,399	29,945
Goodwill	117,215	112,296
Other intangible assets, net	66,280	53,242
Other assets, net	28,359	20,746
Total assets	744,257	727,658
Current liabilities:
Accounts payable	26,064	24,433
Accrued expenses	26,944	25,604
Deferred income on shipments to distributors	32,034	26,127
Income taxes	1,102	3,692
Total current liabilities	86,144	79,856
Long-term obligations and other liabilities	21,521	22,372
Total liabilities	107,665	102,228
Commitments and contingencies
Stockholders' equity:
Preferred stock--$0.0001 par value; 10,000 shares authorized; no shares issued and outstanding
Common stock--$0.0001 par value; 250,000 shares authorized; 44,292 and 43,933 shares issued and outstanding at July 2, 2011 and January 1, 2011, respectively	4	4
Additional paid-in capital	49,041	49,947
Retained earnings	590,539	579,127
Accumulated other comprehensive loss	(2,992)	(3,648)
Total stockholders' equity	636,592	625,430
Total liabilities and stockholders' equity	$ 744,257	$ 727,658