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Fair Value (Tables)
3 Months Ended
Dec. 30, 2011
Fair Value Disclosures [Abstract]  
Schedule Of Assets and Liabilities Measured and Recorded at Fair Value on a Recurring Basis
As of December 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
$
343,414

 
$
343,414

 
$

 
$

Auction rate securities
2,288

 

 

 
2,288

Total
$
345,702

 
$
343,414

 
$

 
$
2,288

Liabilities
 
 
 
 
 
 
 
Contingent consideration liability recorded for business combinations
$
59,400

 
$

 
$

 
$
59,400