v2.3.0.15
Fair Value of Cash Equivalents and Marketable Securities (Tables)
9 Months Ended
Oct. 30, 2011
Notes to financial statements [Abstract] 
Financial assets measured at Fair Value
 
Fair value measurement at reporting date using
 
 
 
Quoted Prices 
in Active Markets for Identical Assets
 
Significant Other Observable Inputs
 
October 30, 2011
 
(Level 1)
 
(Level 2)
 
(In thousands)
Debt securities issued by United States government agencies (1)
$
608,632

 
$

 
$
608,632

Debt securities issued by United States Treasury (2)
431,747

 

 
431,747

Corporate debt securities (3)
1,107,747

 

 
1,107,747

Mortgage-backed securities issued by government-sponsored entities (4)
146,163

 

 
146,163

Money market funds (5)
36,296

 
36,296

 

Total cash equivalents and marketable securities
$
2,330,585

 
$
36,296

 
$
2,294,289

 
(1)
Includes $23.5 million in Cash Equivalents and $585.1 million in Marketable Securities on the Condensed Consolidated Balance Sheet.
(2)
Includes $23.7 million in Cash Equivalents and $408.1 million in Marketable Securities on the Condensed Consolidated Balance Sheet.
(3)  
Includes $65.6 million in Cash Equivalents and $1,042.2 million in Marketable Securities on the Condensed Consolidated Balance Sheet.
(4)
Included in Marketable Securities on the Condensed Consolidated Balance Sheet.
(5)
Included in Cash Equivalents on the Condensed Consolidated Balance Sheet.