Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2012

Schedule Of Fair Values Of Financial Instruments Measured On Recurring Basis

The following tables present the fair values of the Company’s financial instruments that are measured at fair value on a recurring basis (in thousands):



September 30, 2012	Level 1		Level 2		Level 3		Fair Value
Cash equivalents:
Money market and other funds	197,066		—		—		197,066
Time deposits	20,121		—		—		20,121
Certificates of Deposit	34,909		—		—		34,909
Equity securities	8,799		—		—		8,799
Debt securities issued by the U.S. Treasury and other U.S. government corporations and agencies	9,438		—		—		9,438
Debt securities issued by states of the United States and political subdivisions of the states	14,042		—		—		14,042
Debt securities issued by foreign governments	8,891		—		—		8,891
Corporate debt securities	106,235		—		—		106,235
Total	$	399,501	$	—	$	—	$	399,501

December 31, 2011	Level 1		Level 2		Level 3		Fair Value
Cash equivalents:
Money market and other funds	79,945		—		—		79,945
Time deposits	7,082		—		—		7,082
Certificates of Deposit	8,000		—		—		8,000
Equity securities	2		—		—		2
Debt securities issued by the U.S. Treasury and other U.S. government corporations and agencies	15,006		—		—		15,006
Debt securities issued by states of the United States and political subdivisions of the states	16,228		—		—		16,228
Debt securities issued by foreign governments	6,544		—		—		6,544
Corporate debt securities	35,811		—		—		35,811
Total	$	168,618	$	—	$	—	$	168,618

Schedule Of Changes In Fair Value Of Level 3 Financial Assets

The following table provides a summary of changes in fair value of the Company’s Level 3 financial assets (in thousands):



	Level 3 Financial Assets
	Nine Months Ended September 30, 2012		Nine Months Ended September 30, 2011
Beginning Balance	$	—	$	496
Total gains (losses) - realized/unrealized
Included in earnings	—		—
Not included in earnings	—		102
Purchases, issuances and settlements	—		—
Transfers in and/or out of Level 3	—		—
Balance, September 30, 2012 and 2011	$	—	$	598
Total losses for the period included in earnings relating to assets still held at September 30, 2012 and 2011	$	—	$	—

- Definition

Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset.

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