Fair Value (Tables)

6 Months Ended

Mar. 30, 2012

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

As of March 30, 2012, assets and liabilities recorded at fair value on a recurring basis 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	$	221,611	$	221,611	$	—	$	—
Auction rate securities	3,093		—		—		3,093
Total	$	224,704	$	221,611	$	—	$	3,093
Liabilities
Contingent consideration liability recorded for business combinations	$	59,400	$	—	$	—	$	59,400

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

The following table summarizes the changes to Level 3 assets and liabilities recorded at fair value on a recurring basis as of March 30, 2012 (in thousands):



	Auction Rate Securities		Contingent Consideration
Balance at September 30, 2011	$	2,288	$	59,400
Purchases	805		—
Balance at March 30, 2012	$	3,093	$	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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- 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, 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, issuances, 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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