CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
CURRENT ASSETS:
Cash and cash equivalents	$ 74,747	$ 139,836
Short-term marketable securities	35,605	40,899
Accounts receivable, net of allowances of $292 and $215 in 2012 and 2011, respectively (Note 2)	11,106	9,396
Inventories	46,928	52,010
Deferred tax assets	892	892
Prepaid expenses and other current assets	17,659	7,068
Total current assets	186,937	250,101
LONG-TERM MARKETABLE SECURITIES	0	32,041
PROPERTY AND EQUIPMENT, net	90,355	88,241
INTANGIBLE ASSETS, net	49,580	8,852
GOODWILL	78,278	14,786
DEFERRED TAX ASSETS	7,410	12,387
OTHER ASSETS	4,042	26,511
Total assets	416,602	432,919
CURRENT LIABILITIES:
Accounts payable	19,697	16,532
Accrued payroll and related expenses	6,258	5,911
Taxes payable	1,168	0
Deferred tax liabilities	1,634	0
Deferred income on sales to distributors	10,437	7,883
Other accrued liabilities	17,583	2,305
Total current liabilities	56,777	32,631
LONG-TERM INCOME TAXES PAYABLE	7,560	34,368
DEFERRED TAX LIABILITIES	3,926	0
PENSION LIABILITY	663	0
Total liabilities	68,926	66,999
COMMITMENTS AND CONTINGENCIES (Note 9, 11 and 12)
STOCKHOLDERS’ EQUITY:
Common stock	29	28
Additional paid-in capital	188,587	158,646
Accumulated other comprehensive income	287	50
Retained earnings	158,773	207,196
Total stockholders’ equity	347,676	365,920
Total liabilities and stockholders’ equity	$ 416,602	$ 432,919