Cash, Cash Equivalents And Short-Term Investments

12 Months Ended

Dec. 31, 2011

Cash, Cash Equivalents And Short-Term Investments [Abstract]

Cash, Cash Equivalents And Short-Term Investments

Note 2 – Cash, cash equivalents and short-term investments

     The following table summarizes unrealized gains and losses related to our cash, cash equivalents and short-term investments designated as available-for-sale (in thousands):

						As of December 31, 2011
				Gross		Gross			Cumulative
		Adjusted		Unrealized		Unrealized			Translation
		Cost		Gain		Loss			Adjustment			Fair Value
Cash	$	106,431	$	0	$	0		$	0		$	106,431
Money market accounts		22,677		0		0			0			22,677
Municipal bonds		12,381		11		0			0			12,392
Corporate bonds		18,631		0		(67	)		0			18,564
U.S. treasuries and agencies		170,926		2		(9	)		0			170,919
Foreign government bonds		36,460		240		(1	)		(4,482	)		32,217
Time deposits		2,912		0		0			0			2,912
Cash, Cash equivalents and short-term
investments	$	370,418	$	253	$	(77	)	$	(4,482	)	$	366,112
						As of December 31, 2010
				Gross		Gross			Cumulative
		Adjusted		Unrealized		Unrealized			Translation
		Cost		Gain		Loss			Adjustment			Fair Value
Cash	$	86,344	$	0	$	0		$	0		$	86,344
Money market accounts		133,103		0		0			0			133,103
Municipal bonds		16,843		18		0			0			16,861
Corporate bonds		56,141		38		(69	)		0			56,110
U.S. treasuries and agencies		23,142		13		(20	)		0			23,135
Foreign government bonds		36,010		89		(32	)		(3,410	)		32,657
Time deposits		2,452		0		0			0			2,452
Cash, Cash equivalents and short-term
investments	$	354,035	$	158	$	(121	)	$	(3,410	)	$	350,662

The following table summarizes the contractual maturities of our available-for-sale debt securities (in thousands):

		As of December 31, 2011
		Adjusted Cost		Fair Value
Due in less than 1 year	$	215,817	$	213,618
Due in 1 to 5 years		25,493		23,386
Total available-for-sale debt securities	$	241,310	$	237,004
Due in less than 1 year		Adjusted Cost		Fair Value
Municipal bonds	$	12,381	$	12,392
Corporate bonds		14,435		14,392
U.S. treasuries and agencies		167,924		167,917
Foreign government bonds		18,165		16,005
Time deposits		2,912		2,912
Total available-for-sale debt securities	$	215,817	$	213,618
Due in 1 to 5 years		Adjusted Cost		Fair Value
Corporate bonds	$	4,196	$	4,172
U.S. treasuries and agencies		3,002		3,002
Foreign government bonds		18,295		16,212
Total available-for-sale debt securities	$	25,493	$	23,386