FAIR VALUE MEASUREMENTS (Tables)

3 Months Ended

Mar. 31, 2012

Available-For-Sale Securities Measured at Fair Value

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

		$xxx,xxx		$xxx,xxx		$xxx,xxx		$xxx,xxx
	March 31, 2012		Level 1		Level 2		Level 3
	(Unaudited)
	(In thousands)
Mutual funds(1)	$	1,990	$	—	$	1,990	$	—
Commercial paper		69,598		—		69,598		—
Asset-backed securities and collateralized mortgage obligations(2)		8,345		—		2,168		6,177
Corporate notes and bonds(3)		5,766		—		5,766		—
Total	$	85,699	$	—	$	79,522	$	6,177

	December 31, 2011		Level 1		Level 2		Level 3
	(In thousands)
Mutual funds	$	1,923	$	—	$	1,923	$	—
Commercial paper		123,210		—		123,210		—
Asset-backed securities and collateralized mortgage obligations		8,131		—		2,101		6,030
Corporate notes and bonds		5,742		—		5,742		—
Total	$	139,006	$	—	$	132,976	$	6,030

(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

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 three months ended March 31, 2012 and March 31, 2011:

	Three Months Ended March 31,
	2012			2011
	(Unaudited) (In thousands)
Balance at beginning of period	$	6,030		$	7,372
Total realized and unrealized gains		442			504
Principal repayments		(295	)		(373	)
Balance at end of period	$	6,177		$	7,503

Available-for-Sale Securities

The following is a summary of our available-for-sale securities:

	Twelve Months or Greater
	Fair Value		Unrealized Losses
	(Unaudited) (In thousands)
March 31, 2012
Mutual funds	$	1,990	$	—
Commercial paper		69,598		—
Asset-backed securities and collateralized mortgage obligations		8,345		(3,761	)
Corporate notes and bonds		5,766		—
Total	$	85,699	$	(3,761	)

	Twelve Months or Greater
	Fair Value		Unrealized Losses
	(Unaudited) (In thousands)
December 31, 2011
Mutual funds	$	1,923	$	—
Commercial paper		123,210		—
Asset-backed securities and collateralized mortgage obligations		8,131		(4,358	)
Corporate notes and bonds		5,742		—
Total	$	139,006	$	(4,358	)

Estimated Fair Values of Financial Instruments

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

	March 31, 2012						December 31, 2011
	Carrying Amount			Fair Value			Carrying Amount			Fair Value
				(Unaudited)
	(In thousands)
Balance Sheet Instruments
Cash and cash equivalents	$	788,965		$	788,965		$	570,854		$	570,854
Restricted cash and cash equivalents	$	24,832		$	24,832		$	21,962		$	21,962
Investments	$	85,699		$	85,699		$	139,006		$	139,006
Debt	$	92,241		$	95,940		$	93,735		$	96,187
Forward contracts	$	(9,149	)	$	(9,149	)	$	(5,029	)	$	(5,029	)