XML 49 R20.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Earnings Per Share (Tables)
6 Months Ended
Jun. 30, 2011
Notes to Financial Statements [Abstract]  
Schedule Of Weighted Average Number Of Shares Outstanding Basic To Diluted
   
Three months ended June 30,
  
Six months ended June 30,
 
   
2011
  
2010
  
2011
  
2010
 
Basic shares outstanding
  95,911   94,011   95,644   93,911 
Effect of potential common stock:
                
Common stock awards
  1,282   983   1,293   940 
Senior subordinated convertible notes
  1,219   1,455   1,345   1,384 
Diluted shares outstanding
  98,412   96,449   98,282   96,235