Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v2.4.0.6
Stock-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Employee stock-based compensation expense
                                 
    Three Months Ended
September 30,
    Nine Months Ended
September 30,
 
    2012     2011     2012     2011  

Employee stock-based compensation expense

  $ 1,195     $ 714     $ 3,125     $ 2,359  

Tax effect on employee stock-based compensation expense

    (482     (261     (1,256     (920
   

 

 

   

 

 

   

 

 

   

 

 

 

Net effect on income

  $ 713     $ 453     $ 1,869     $ 1,439  
   

 

 

   

 

 

   

 

 

   

 

 

 
Weighted average assumptions used to value options granted
                                 
    Three Months Ended
September 30,
    Nine Months Ended
September 30,
 
    2012     2011     2012     2011  

Grant date fair value of options

  $ —       $ —       $ 4.96     $ 5.26  

Volatility

    —         —         39.6     39.3

Risk-free interest rate

    —         —         1.2     2.5

Dividend yield

    —         —         0.0     0.0

Expected term (in years)

    —         —         6.0       6.0  
Summary of option activity
                                 
    Shares     Weighted-
Average
Exercise Price
    Weighted-
Average
Remaining
Contractual Life
(Years)
    Aggregate
Intrinsic Value
 

Outstanding as of December 31, 2011

    4,863,718     $ 8.19                  

Granted

    149,652       12.45                  

Exercised

    (124,956     7.59                  

Forfeited

    (2,000     9.70                  
   

 

 

                         

Outstanding as of March 31, 2012

    4,886,414       8.34       6.7     $ 20,544  

Granted

    589,263       12.55                  

Exercised

    (99,837     6.18                  

Forfeited

    (1,800     9.00                  
   

 

 

                         

Outstanding as of June 30, 2012

    5,374,040       8.84       6.8       17,737  

Granted

    —         —                    

Exercised

    (55,208     6.56                  

Forfeited

    (8,100     9.87                  
   

 

 

                         

Outstanding as of September 30, 2012

    5,310,732       8.86       6.6       16,192  
   

 

 

                         

Options exercisable

    3,379,804       7.68       5.5       13,820  
   

 

 

                         
Restricted Stock [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Summary of unvested stock awards activity
                 
    Number of
Shares
    Weighted-
Average Grant
Date Fair Value

per Share
 

Balance at December 31, 2011

    73,820     $ 12.26  

Granted

    155,383       12.44  

Vested

    (21,235     12.55  

Expired/cancelled

    (1,064     12.45  

Forfeited

    (104     12.55  
   

 

 

         

Balance at March 31, 2012

    206,800       12.36  

Granted

    559,551       12.51  

Forfeited

    (381     12.49  
   

 

 

         

Balance at June 30, 2012

    765,970       12.47  

Granted

    —         —    

Forfeited

    (1,351     12.49  
   

 

 

         

Balance at September 30, 2012

    764,619       12.47