Fair Value Measurement (Tables)

9 Months Ended

Sep. 30, 2011

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]



September 30, 2011	Fair Value Measurement at Reporting Date Using
(in thousands)	Level 1¹		Level 2²		Level 3³		Total
Cash equivalents
Money market funds	$	149,966	$	—	$	—	$	149,966
Total	$	149,966	$	—	$	—	$	149,966



December 31, 2010	Fair Value Measurement at Reporting Date Using
(in thousands)	Level 1¹		Level 2²		Level 3³		Total
Cash equivalents
Money market funds	$	226,009	$	—	$	—	$	226,009
Trading securities
Equity securities - mutual funds	14,411		—		—		14,411
Total	$	240,420	$	—	$	—	$	240,420



September 30, 2010	Fair Value Measurement at Reporting Date Using
(in thousands)	Level 1¹		Level 2²		Level 3³		Total
Cash equivalents
Money market funds	$	210,189	$	—	$	—	$	210,189
Trading securities
Equity securities - mutual funds	5,380		—		—		5,380
Total	$	215,569	$	—	$	—	$	215,569

¹Quoted prices in active markets for identical assets or liabilities.

²Observable inputs other than Level 1 prices such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities.

³Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities.

Schedule of Cash and Cash Equivalents [Table Text Block]

A reconciliation of money market funds to consolidated cash and cash equivalents is as follows:



(in thousands)	September 30, 2011		December 31, 2010		September 30, 2010
Money market funds	$	149,966	$	226,009	$	210,189
Held-to-maturity commercial paper	4,997		4,999		14,997
Cash	38,136		21,014		32,668
Total cash and cash equivalents	$	193,099	$	252,022	$	257,854

Fair Value, by Balance Sheet Grouping [Table Text Block]

The carrying amount and estimated fair value of senior notes payable, including current maturities, were as follows:



(in thousands)	September 30, 2011		December 31, 2010		September 30, 2010
Carrying amount
Senior notes payable	$	216,667	$	225,000	$	225,000

Fair value
Senior notes payable	$	246,844	$	245,911	$	256,556

- Definition

Tabular disclosure of the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments, assets, and liabilities. Such certain disclosures about the financial instruments, assets, and liabilities include: (1) the fair value of the required items together with their carrying amounts (as appropriate) and (2) the methodology and assumptions used in developing such estimates of fair value.

+ References

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