CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
CURRENT ASSETS:
Cash and cash equivalents	$ 63,394	$ 139,836
Short-term marketable securities	31,766	40,899
Accounts receivable, net of allowances of $247 and $215 in 2012 and 2011, respectively (Note 2)	7,326	9,396
Inventories	44,625	52,010
Deferred tax assets	352	892
Prepaid expenses and other current assets	17,401	7,068
Total current assets	164,864	250,101
LONG-TERM MARKETABLE SECURITIES	0	32,041
PROPERTY AND EQUIPMENT, net	89,724	88,241
INTANGIBLE ASSETS, net	47,738	8,852
GOODWILL	80,599	14,786
DEFERRED TAX ASSETS	11,532	12,387
OTHER ASSETS	4,673	26,511
Total assets	399,130	432,919
CURRENT LIABILITIES:
Accounts payable	16,452	16,532
Accrued payroll and related expenses	6,720	5,911
Taxes payable	1,213	0
Deferred tax liabilities	1,193	0
Deferred income on sales to distributors	11,550	9,274
Other accrued liabilities	3,439	2,305
Total current liabilities	40,567	34,022
LONG-TERM INCOME TAXES PAYABLE	7,937	34,368
DEFERRED TAX LIABILITIES	8,179	0
PENSION LIABILITY	1,398	0
Total liabilities	58,081	68,390
COMMITMENTS AND CONTINGENCIES (Notes 8, 9 and 10)
STOCKHOLDERS’ EQUITY:
Common stock, $0.001 par value Authorized - 140,000,000 shares Outstanding - 28,536,182 and 28,065,707 shares in 2012 and 2011, respectively	28	28
Additional paid-in capital	175,668	158,646
Accumulated other comprehensive income (loss)	(293)	50
Retained earnings	165,646	205,805
Total stockholders’ equity	341,049	364,529
Total liabilities and stockholders’ equity	$ 399,130	$ 432,919