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Net Income Per Share Attributable To Quest Software Inc. Stockholders (Tables)
 3 Months Ended
Mar. 31, 2012
Net Income Per Share Attributable To Quest Software Inc. Stockholders [Abstract]  
Reconciliation Of Denominator Of Net Income Per Share Attributable To Quest Software, Inc. Stockholders

 

     Three Months Ended
March  31		  
     2012      2011  

Shares used in computing basic net income per share

      83,424         92,303   

Dilutive effect of stock options and restricted stock units (1)

     1,678         2,809   
  

 

 

     

 

 

  

Shares used in computing diluted net income per share

      85,102         95,112   
  

 

 

     

 

 

  

(1) Options to purchase 4.9 million and 1.3 million shares of common stock were outstanding during the three months ended March 31, 2012 and 2011, respectively, but were not included in the computation of diluted net income per share as inclusion would have been anti-dilutive.