XML 24 R25.htm IDEA: XBRL DOCUMENT v2.3.0.15
Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2011
Fair Value Measurements [Abstract] 
Summary of Assets and Liabilities at Fair Value
The following table summarizes assets and liabilities recorded at fair value by classification category:

   
September 30, 2011
  
December 31, 2010
    
(In thousands)
 
Level 1
  
Level 2
  
Total
  
Level 1
  
Level 2
  
Total
 
Assets:
                  
Money market funds
 $151,497  $-  $151,497  $203,318  $-  $203,318 
Corporate debt securities
  49,523   -   49,523   20,434   -   20,434 
Commercial paper
  -   6,943   6,943   -   7,998   7,998 
U.S. government sponsored agency bonds
  6,223   -   6,223   8,725   -   8,725 
U.S. treasury securities
  5,514   -   5,514   1,997   -   1,997 
Foreign currency hedge contracts
  -   11,174   11,174   -   17,763   17,763 
Total
 $212,757  $18,117  $230,874  $234,474  $25,761  $260,235 
                          
Liabilities:
                        
Foreign currency hedge contracts
 $-  $13,883  $13,883  $-  $12,810  $12,810