Cash and Cash Equivalents and Short-term Investments

3 Months Ended

Mar. 31, 2015

Cash and Cash Equivalents and Short-term Investments

Cash and Cash Equivalents and Short-term Investments

Note 4 Cash and Cash Equivalents and Short-term Investments

Certain information related to our cash and cash equivalents and short-term investments follows:

	March 31, 2015							December 31, 2014
	Fair Value		Gross Unrealized Holding Gains		Gross Unrealized Holding Losses			Fair Value		Gross Unrealized Holding Gains		Gross Unrealized Holding Losses
	(In thousands)
Cash and cash equivalents	$	586,001	$	—	$	—		$	501,149	$	—	$	—
Short-term investments:
Available-for-sale equity securities	35,152		14,799		—			35,002		14,648		—
Available-for-sale debt securities:
Mortgage-CMO debt securities	18		—		(1		)	18		—		(1		)
Total short-term investments	35,170		14,799		(1		)	35,020		14,648		(1		)
Total cash, cash equivalents and short-term investments	$	621,171	$	14,799	$	(1	)	$	536,169	$	14,648	$	(1	)

Certain information regarding our debt and equity securities is presented below:

	Three Months Ended
	March 31,
	2015		2014
	(In thousands)
Available-for-sale
Proceeds from sales and maturities	$	—	$	135
Realized gains (losses), net	$	—	$	—