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Stockholders' Equity (Tables)
9 Months Ended
Sep. 30, 2012
Stockholders' Equity [Abstract]  
Dividends
Dividends
 
   
Payment
 
Record
   
   
Date
 
Date
 
Amount
             
Three months ended March 31, 2012
 
March 27, 2012
 
March 13, 2012
 
 $    0.04
Three months ended June 30, 2012
 
June 26, 2012
 
June 12, 2012
 
       0.29
Three months ended September 30, 2012
 
September 11, 2012
 
September 25, 2012
 
       0.30
Nine months ended September 30, 2012
         
 $    0.63
             
Three months ended March 31, 2011
 
March 29, 2011
 
March 15, 2011
 
 $    0.03
Three months ended June 30, 2011
 
June 28, 2011
 
June 14, 2011
 
       0.04
Three months ended September 30, 2011
 
September 13, 2011
 
September 27, 2011
 
       0.04
Nine months ended September 30, 2011
         
 $    0.11
 
Actual and projected stock-based compensation expense for RSA shares and options
Actual and projected stock-based compensation expense for RSA shares and options for the years ended December 31, 2011 through December 31, 2016 (based on awards currently issued or granted) is as follows ($ in thousands):
 
   
2011
  
2012
  
2013
  
2014
  
2015
  
2016
 
 Q1  $577  $871  $870  $625  $494  $175 
 Q2   686   869   848   588   462   128 
 Q3   655   875   805   588   399   128 
 Q4   670   870   805   588   399   128 
Full Year
  $2,588  $3,485  $3,328  $2,389  $1,754  $559