CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
CURRENT ASSETS:
Cash and cash equivalents	$ 170,494	$ 155,667
Short-term investments	33,091	27,355
Accounts receivable, net of allowances of $312 and $275 in 2011 and 2010, respectively	8,070	5,713
Inventories	54,069	62,077
Deferred tax assets	1,437	1,435
Prepaid expenses and other current assets	9,572	9,263
Total current assets	276,733	261,510
LONG-TERM INVESTMENTS	30,043	31,760
PROPERTY AND EQUIPMENT, net	85,449	84,470
INTANGIBLE ASSETS, net	9,309	9,795
GOODWILL	14,826	14,826
DEFERRED TAX ASSETS	12,593	13,421
OTHER ASSETS	25,355	17,288
Total assets	454,308	433,070
CURRENT LIABILITIES:
Accounts payable	14,173	20,291
Accrued payroll and related expenses	6,246	7,395
Taxes payable	354	0
Deferred income on sales to distributors	11,199	12,221
Other accrued liabilities	2,367	9,548
Total current liabilities	34,339	49,455
LONG-TERM INCOME TAXES PAYABLE	32,040	29,580
Total liabilities	66,379	79,035
COMMITMENTS AND CONTINGENCIES (Note 9, 11 and 12)
STOCKHOLDERS’ EQUITY:
Common stock	29	28
Additional paid-in capital	191,549	175,295
Accumulated other comprehensive income	158	85
Retained earnings	196,193	178,627
Total stockholders’ equity	387,929	354,035
Total liabilities and stockholders’ equity	$ 454,308	$ 433,070