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Stock-Based Compensation
3 Months Ended
Dec. 31, 2011
Stock-Based Compensation [Abstract]  
Stock-Based Compensation

(6) Stock-Based Compensation

Under the Company’s equity incentive plans, employees and directors may be granted stock options, restricted stock, restricted stock units and performance awards. As of December 31, 2011, there were 142,000 shares available for future grants under the plans.

Stock option awards. Under the Company’s equity incentive plans, employees and directors may be granted options to purchase shares of the Company’s common stock at the fair market value on the date of the grant. Options granted under these plans generally vest over three years and expire ten years from the date of the grant. Compensation expense and excess tax benefits associated with stock options for the three-month periods ended December 31, 2011 and January 1, 2011 are as follows:

 

         
    Three Months Ended
(In thousands)       December 31,    
2011
      January 1,    
2011

Stock options:

       

Compensation expense

  $129   $227

Excess tax benefits

        5     —

As of December 31, 2011, the remaining unamortized compensation cost related to unvested stock option awards was $457,000, which is expected to be recognized over a weighted average period of 1.5 years.

The fair value of each option grant is estimated on the date of grant using a Monte Carlo valuation model based upon assumptions that are evaluated and revised, as necessary, to reflect market conditions and actual historical experience. The risk-free interest rate for periods within the contractual life of the option is based on the U.S. Treasury yield curve in effect at the time of the grant. The dividend yield is calculated based on the Company’s annual dividend as of the option grant date. The expected volatility is derived using a term structure based on historical volatility and the volatility implied by exchange-traded options on the Company’s common stock. The expected term for options is based on the results of a Monte Carlo simulation model, using the model’s estimated fair value as an input to the Black-Scholes-Merton model, and then solving for the expected term.

 

The following table summarizes stock option activity for the three-month period ended December 31, 2011:

 

                                         
    Options     Exercise Price
Per Share
    Contractual
Term -
    Aggregate
Intrinsic
 
           

 

 

   

 

 

   

 

 

 
    Outstanding
(in thousands)
    Range     Weighted
Average
    Weighted
Average
    Value
(in thousands)
 
   

 

 

   

 

 

   

 

 

   

 

 

 

Outstanding at October 1, 2011

    994     $ 0.18 – $20.27     $ 10.89                  

Granted

          —    —                        

Expired

          —    —                        

Exercised

    (4     0.18 – 0.18       0.18             $ 42  
   

 

 

                                 

Outstanding at December 31, 2011

    990       0.18 – 20.27       10.93       6.77 years       1,378  
   

 

 

                                 

Vested and anticipated to vest in the future at December 31, 2011

    968               10.95       6.73 years       1,353  
           

Exercisable at December 31, 2011

    630               11.28       5.68 years       1,011  

Restricted stock units. On January 21, 2009, the Executive Compensation Committee of the Board of Directors approved a change in the equity compensation program such that awards of restricted stock units (“RSUs”) to employees and directors would be made in lieu of awards of restricted stock. RSUs granted under these plans are valued based upon the fair market value on the date of the grant and provide for a dividend equivalent payment which is included in compensation expense. The vesting period for RSUs is generally one to three years from the date of the grant. RSUs do not have voting rights. There were no RSU grants during the three-month periods ended December 31, 2011 and January 1, 2011. Amortization expense for RSUs for the three-month periods ended December 31, 2011 and January 1, 2011 is as follows:

 

                 
    Three Months Ended  
(In thousands)       December 31,    
2011
        January 1,    
2011
 

Amortization expense

  $ 240     $ 246  

As of December 31, 2011, the remaining unrecognized compensation cost related to unvested RSUs was $826,000, which is expected to be recognized over a weighted average vesting period of 1.74 years.

The following table summarizes RSU activity during the three-month period ended December 31, 2011:

 

             
(Unit amounts in thousands)   Restricted
Stock Units
Outstanding
    Weighted Average
Grant Date Fair
Value

Balance, October 1, 2011

    328     $10.25
   

 

 

     

Granted

       

Released

       
   

 

 

     

Balance, December 31, 2011

    328     $10.25
   

 

 

     

Restricted stock awards. Under the Company’s equity incentive plans, employees and directors may be granted restricted stock awards (“RSAs”) which are valued based upon the fair market value on the date of the grant. The vesting period for RSAs is generally one to three years from the date of the grant. There were no RSAs granted during the three-month periods ended December 31, 2011 and January 1, 2011. Amortization expense for RSAs for the three-month periods ended December 31, 2011 and January 1, 2011 is as follows:

 

                 
    Three Months Ended  
(In thousands)       December 31,    
2011
        January 1,    
2011
 

Amortization expense

  $     $ 66  

There were no unvested restricted stock awards as of December 31, 2011.