Acquisition of Varian (Tables)
6 Months Ended
Apr. 30, 2011
Acquisition of Varian [Abstract]  
Pro Forma Combined Information
The following represents pro forma operating results as if Varian had been included in the company's condensed consolidated statements of operations as of the beginning of the fiscal year presented (in millions, except per share amounts). The amounts for three months ended January 31, 2010 have been revised to correct the pro forma results previously disclosed for that period.
 
 
 
Three Months
Ended
  
Three Months
Ended
  
Six Months
Ended
 
 
 
January 31, 2010
Revised
  
April 30, 2010
 
Net revenue
 $1,402  $1,476  $2,878 
Net income
 $6  $87  $93 
Net income per share - basic
 $0.02  $0.25  $0.27 
Net income per share - diluted
 $0.02  $0.24  $0.26