INVESTMENTS

12 Months Ended

Dec. 31, 2013

Investments Debt And Equity Securities [Abstract]

INVESTMENTS

NOTE 5—INVESTMENTS

At December 31, 2013, we had investments with a fair value of $13.5 million. Our investment portfolio consists primarily of investments in commercial paper. Our investments are classified as available-for-sale and are carried at fair value with unrealized gains and losses, net of tax, reported as a component of other comprehensive income (loss). During the year ended December 31, 2013, we recognized other than temporary impairment of $1.6 million on the asset-backed securities and collateralized mortgage obligations. Our net unrealized gain on investments was $0.2 million as of December 31, 2013, and our unrealized loss on investments was $2.4 million as of December 31, 2012. The following is a summary of our available-for-sale securities at December 31, 2013:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
	(In thousands)
Mutual funds(1)	$	1,975	$	198	$	—	$	2,173
Commercial paper(2)		3,699		—		—		3,699
Asset-backed securities and collateralized mortgage obligations(3)(4)(5)		7,599		40		—		7,639
Corporate notes and bonds(6)		—		—		—		—
Total	$	13,273	$	238	$	—	$	13,511

(1) Various U.S. equities and other investments managed under mutual funds.

(2) Commercial paper with maturities less than one year.

(3) Included in our asset-backed securities and collateralized mortgage obligations is approximately $5.6 million of commercial paper secured by mortgaged-backed securities.

(4) Asset-backed and mortgage-backed securities with maturities of up to 26 years.

(5) Asset-backed and mortgage-backed securities and collateralized mortgage obligations contains a $1.6 million impairment that was recognized in the year ended December 31, 2013.

(6) Corporate notes and bonds with maturities of three years or less.

The following is a summary of our available-for-sale securities at December 31, 2012:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
	(In thousands)
Mutual funds(1)	$	1,975	$	48	$	—		$	2,023
Commercial paper(2)		29,728		9		—			29,737
Asset-backed securities and collateralized mortgage obligations(3)(4)		10,853		—		(2,376	)		8,477
Corporate notes and bonds(5)		5,750		5		—			5,755
Total	$	48,306	$	62	$	(2,376	)	$	45,992

(1) Various U.S. equities and other investments managed under mutual funds.

(2) Commercial paper with maturities less than one year.

(3) Included in our asset-backed securities and collateralized mortgage obligations is approximately $6.3 million of commercial paper secured by mortgaged-backed securities.

(4) Asset-backed and mortgage-backed securities with maturities of up to 26 years.

(5) Corporate notes and bonds with maturities of three years or less.

Proceeds, gross realized gains and gross realized losses on sales of available-for-sale securities were as follows:

	Proceeds		Gross Realized Gains		Gross Realized Losses
	(In thousands)
Year Ended December 31, 2013	$	43,959	$	—	$	—
Year Ended December 31, 2012	$	191,298	$	—	$	—
Year Ended December 31, 2011	$	693,424	$	—	$	20