OTHER INCOME, NET: (Tables)

12 Months Ended

Dec. 31, 2012

OTHER INCOME, NET:

Schedule of other income, net

	Year Ended December 31,
	2012			2011			2010
	(in thousands)
Interest income and gain on sale of investments, net	$	1,699		$	630		$	1,128
Foreign exchange gain (loss)		(294	)		374			(316	)
Loss on equity investment in privately-held companies		—			—			(750	)
Other		(146	)		(245	)		(197	)
Total other income (loss), net	$	1,259		$	759		$	(135	)