Fair Value (Tables)

12 Months Ended

Sep. 30, 2011

Schedule Of Assets and Liabilities Measured and Recorded at Fair Value on a Recurring Basis

As of September 30, 2011 the financial assets and liabilities measured on a recurring basis at fair value consist of the following (in thousands):



			Fair Value Measurements
	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Money market	$	329,417	$	329,417	$	—	$	—
Auction rate securities	2,288		—		—		2,288
Total	331,705		329,417		—		2,288
Liabilities
Contingent consideration liability recorded for business combinations	$	59,400	$	—	$	—	$	59,400

- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

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