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Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2017

Financial Instruments, Owned, at Fair Value [Abstract]

Cash, Cash Equivalents, And Marketable Securities

The following table summarizes the Company’s cash, cash equivalents, and marketable securities as of June 30, 2017 and December 31, 2016:

	June 30,				December 31,
	2017				2016
	(In thousands)
Cash	$	56,748			$	39,183
Time deposits	3,173				4,632
Debt securities issued by the U.S. Treasury (Level 1)	1,564,097				1,626,764
Money market funds (Level 1)	191,781				134,790
Equity securities of public companies (Level 1)	1,920				2,174
Total	$	1,817,719			$	1,807,543
Included in Cash and cash equivalents	$	242,426			$	231,945
Included in Marketable securities	1,566,017				1,565,962
Included in Other long-term assets (Restricted cash)	9,276				9,636
Total	$	1,817,719			$	1,807,543

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Tabular disclosure of the components of cash, cash equivalents, and investments.

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