Fair Value Of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2011

Fair Value Of Financial Instruments

Fair Value Of Assets And Liabilities Measured On Recurring Basis

	Level 1		Level 2		Level 3		Total
As of December 31, 2010
Assets
Cash equivalents	$	232,731	$	—	$	—	$	232,731
Short-term investments:
Treasury securities		38,109		—		—		38,109
Municipal debt securities		—		32,707		—		32,707
Corporate debt securities		—		9,160		—		9,160
Long-term investments		—		—		78,747		78,747
Equity method investment		—		—		30,724		30,724
Derivative contracts		—		6,668		—		6,668
Total assets	$	270,840	$	48,535	$	109,471	$	428,846
Liabilities
Derivative contracts	$	—	$	1,373	$	—	$	1,373
Total liabilities	$	—	$	1,373	$	—	$	1,373
	Level 1		Level 2		Level 3		Total
As of September 30, 2011
Assets
Cash equivalents	$	219,669	$	—	$	—	$	219,669
Short-term investments		—		13,206		50,374		63,580
Equity method investments		—		—		58,547		58,547
Derivative contracts		—		1,331		—		1,331
Total assets	$	219,669	$	14,537	$	108,921	$	343,127
Liabilities
Derivative contracts	$	—	$	5,376	$	—	$	5,376
Total liabilities	$	—	$	5,376	$	—	$	5,376

Reconciliation Of Balances For Assets And Liabilities Measured At Fair Value

	Short-term Investments		Long-term Investments			Equity Method Investments
Balance as of December 31, 2010	$	—	$	78,747		$	30,724
Adjustment to previously recognized unrealized loss on investments included in other comprehensive income		—		(1,119	)		—
Income from equity method investment		—		—			2,549
Additional investment in equity method investment		—		—			8,012
Liquidation of investments		—		(75	)
Balance as of March 31, 2011		—		77,553			41,285
Adjustment to previously recognized unrealized loss on investments included in other comprehensive income		—		3,129
Realized loss on investments		—		(842	)
Income from equity method investment		—		—			10,639
Additional investment in equity method investments		—		—			200
Liquidation of investments		—		(10,625	)
Transfers out of Level 3(1)		—		(13,357	)
Balance as of June 30, 2011		—		55,858			52,124
Adjustment to previously recognized unrealized loss on investments included in other comprehensive income		—		12,192
Other-than-temporary impairment on auction rate securities		—		(17,551	)
Liquidation of investments		—		(125	)
Transfers between long term and short term		50,374		(50,374	)
Income from equity method investment		—		—			1,915
Additional investment in equity method investments		—		—			4,508
Balance as of September 30, 2011	$	50,374	$			$	58,547

⁽¹⁾  Transferred from Level 3 to Level 2 which has more observable market data due to increased market activity for asset-backed securities.