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Earnings Per Share Data ("EPS") And Stock Based Compensation (Tables)
 3 Months Ended
Mar. 31, 2012
Earnings Per Share Data ("EPS") And Stock Based Compensation [Abstract]  
Schedule Of Computation Of Basic And Diluted Earnings Per Share
     Three months ended
March 31,		  
     2012     2011  

Basic and Diluted:

     

Net income attributable to UHS

    $ 128,607      $ 114,193   

Less: Net income attributable to unvested restricted share grants

      (168 )      (149 ) 
  

 

 

    

 

 

  

Net income attributable to UHS – basic and diluted

    $ 128,439       $ 114,044   
  

 

 

     

 

 

  

Weighted average number of common shares - basic

      96,593         97,381   

Net effect of dilutive stock options and grants based on the treasury stock method

      1,198         1,487   
  

 

 

     

 

 

  

Weighted average number of common shares and equivalents - diluted

      97,791         98,868   
  

 

 

     

 

 

  

Earnings per basic share attributable to UHS:

    $ 1.33       $ 1.17   
  

 

 

     

 

 

  

Earnings per diluted share attributable to UHS:

    $ 1.31       $ 1.15