FAIR VALUES OF FINANCIAL INSTRUMENTS (Tables)

12 Months Ended

Dec. 31, 2011

Available-For-Sale Securities Measured at Fair Value

The following is a summary of our available-for-sale securities measured at fair value:

	12/31/11		Level 1		Level 2		Level 3
	(In thousands)
Mutual funds(1)	$	1,923	$	—	$	1,923	$	—
Commercial paper		123,210		—		123,210		—
Asset-backed securities and collateralized mortgage obligations(2)		8,131		—		2,101		6,030
Corporate notes and bonds(3)		5,742		—		5,742		—
Total	$	139,006	$	—	$	132,976	$	6,030

	12/31/10		Level 1		Level 2		Level 3
	(In thousands)
Mutual funds(1)	$	2,007	$	—	$	2,007	$	—
U.S. Government and agency securities(4)		269,161		269,161		—		—
Asset-backed securities and collateralized mortgage obligations(2)		9,869		—		2,497		7,372
Corporate notes and bonds(3)		4,168		—		4,168		—
Total	$	285,205	$	269,161	$	8,672	$	7,372

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

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

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

(4) Investments in U.S. Treasury securities, which were sold during 2011

Changes in Level 3 Instrument Measured on Recurring Basis

The following is a summary of the changes in our Level 3 instrument measured on a recurring basis for the years ended December 31, 2011 and 2010:

	December 31,
	2011			2010
	(In thousands)
Balance at beginning of period	$	7,372		$	7,494
Instruments attributable to discontinued operations		—			(168	)
Total realized and unrealized gains		75			1,821
Purchases, issuances, and settlements		—			172
Principal repayments		(1,417	)		(1,947	)
Balance at end of period	$	6,030		$	7,372

Estimated Fair Values of Financial Instruments

The estimated fair values of certain of our financial instruments are as follows:

	December 31, 2011						December 31, 2010
	Carrying Amount			Fair Value			Carrying Amount		Fair Value
	(In thousands)
Balance Sheet Instruments
Cash and cash equivalents	$	570,854		$	570,854		$	403,463	$	403,463
Restricted cash and cash equivalents	$	21,962		$	21,962		$	197,861	$	197,861
Investments	$	139,006		$	139,006		$	285,205	$	285,205
Debt	$	93,735		$	96,187		$	55,295	$	56,180
Forward contracts	$	(5,029	)	$	(5,029	)	$	1,352	$	1,352