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Financing Arrangements (Narrative) (Details) (USD $)
0 Months Ended 12 Months Ended
Jun. 10, 2008
Apr. 29, 2011
Apr. 30, 2010
Apr. 24, 2009
Mar. 31, 2011
Interest rate senior notes   1.75% 1.75%    
Debt instrument, maturity date   Jun. 01, 2013 Jun. 01, 2013    
Note repurchase price, percentage of principal amount of notes   100.00%      
Value of debt component of notes $ 1,017,000,000        
Effective interest rate   6.31%      
Debt discounts 248,000,000        
Issuance costs on equity 5,200,000     5,200,000  
Issuance cost on long-term other assets 21,400,000        
Conversion price of notes to shares of common stock   $ 31.85      
Common stock price exceeded the conversion threshold price         $ 41.41
Closing price of common stock   52.11      
Note hedges number of shares contracted to sell   31,800,000 31,800,000    
Note hedge exercise price   $ 31.85 $ 31.85    
Outstanding warrants, number of shares to acquire   39,700,000 39,700,000    
Exercise price of warrants   41.28 41.28    
Proceeds from sale of warrants       163,100,000  
Unhedged portion of notes   20.00%      
Fair value of notes   2,127,500,000      
Fair value percentage of face value of senior debt   168.00%      
Settlement (purchase) of note hedge   0 14,200,000 (254,900,000)  
Note hedges and warrants  

 

Note Hedges. As of April 29, 2011 and April 30, 2010, we have transactions with counterparties to buy up to approximately 31.8 million shares, subject to anti-dilution adjustments, of our common stock at a price of $31.85 per share, subject to adjustment. The Note hedge transactions will expire at the earlier of (1) the last day on which any Notes remain outstanding and (2) the scheduled trading day immediately preceding the maturity date of the Notes. Upon exercise of the Note hedges, we have the option to receive cash or shares of our common stock equal to the difference between the then market price and the strike price of the hedges.

 

 

Warrants. As of April 29, 2011 and April 30, 2010, we have outstanding warrants for others to acquire, subject to anti-dilution adjustments, 39.7 million shares of our common stock at an exercise price of $41.28 per share, subject to adjustment, on a series of days commencing on September 3, 2013. Upon exercise of the warrants, we have the option to deliver cash or shares of our common stock equal to the difference between the then market price and the strike price of the warrants.

     
Approximate fair value of the principal amount of Notes  

As of April 29, 2011, the approximate fair value of the principal amount of our Notes, which includes the debt and equity components, was approximately $2,127.5 million, or 168% of the face value of the Notes, based upon quoted market information.

  

     
Convertible Senior Notes 1.75% [Member]
         
Senior notes 1,265,000,000 1,265,000,000 1,265,000,000    
Interest rate senior notes 1.75%        
Proceeds from debt, net 1,238,400,000        
Debt Issuance Costs 26,600,000        
Numerator of common stock ratio for convertible notes   31.40      
Denominator of principal amount upon which conversion rate is based   1,000      
Conversion price of notes to shares of common stock   $ 31.85      
Debt instrument, convertible, if-converted value in excess of principal   $ 834,300,000