Cash, Cash Equivalents, And Marketable Securities (Tables)

6 Months Ended

Jun. 30, 2013

Cash, Cash Equivalents And Marketable Securities [Abstract]

Cash, Cash Equivalents, And Marketable Securities

The following table summarizes the Company’s cash, cash equivalents, and marketable securities:

	June 30,		December 31,
	2013		2012
	(In thousands)
Cash	$	57,187	$	63,578
Money market funds	92,932		38,054
Time deposits	3,919		3,614
Debt securities issued by the U.S. Treasury and other U.S. government corporations and agencies	1,851,154		1,452,358
Equity securities of a public company	—		3,341
Total	$	2,005,192	$	1,560,945
Included in Cash and cash equivalents	$	578,301	$	130,736
Included in Marketable securities	$	1,419,161	$	1,425,700
Included in Other long-term assets (Restricted cash)	$	7,730	$	4,509

Investments Classified by Contractual Maturity Date [Table Text Block]

The following table presents the contractual maturities of the debt securities held as of June 30, 2013:

	June 30, 2013
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(In thousands)
Due within one year	$	1,821,654	$	137	$	(8	)	$	1,821,783
Due after one year through three years	29,439		24		(92		)	29,371
Total	$	1,851,093	$	161	$	(100	)	$	1,851,154