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Share-Based Compensation
9 Months Ended
Sep. 30, 2013
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Share-Based Compensation

8. Share-Based Compensation

Incentive Plan

Restricted Stock

During the nine months ended September 30, 2013, the University granted 575 shares of common stock with a service vesting condition to certain of its executives, officers, faculty and employees. The restricted shares have voting rights and vest in five annual installments of 20% starting on March 1, 2014 and each of the four anniversaries of the vesting date following the date of grant. In May 2013, the University granted 10 shares of common stock to certain of the non-employee members of the University’s board of directors. The restricted shares granted to these directors have voting rights and vest on the earlier of (a) the one year anniversary of the date of grant or (b) immediately prior to the following year’s annual meeting of stockholders, subject to acceleration in the event of a change in control. Upon vesting, shares will be held in lieu of taxes equivalent to the minimum statutory tax withholding required to be paid when the restricted stock vests. During the nine months ended September 30, 2013, the University withheld 40 shares of common stock in lieu of taxes at a cost of $973 on the restricted stock vesting dates.

A summary of the activity related to restricted stock granted under the University’s Incentive Plan since December 31, 2012 is as follows:

 

     Total
Shares
    Weighted Average
Grant Date
Fair Value per Share
 

Outstanding as of December 31, 2012

     553      $ 17.04   

Granted

     585      $ 24.16   

Vested

     (119   $ 17.13   

Forfeited, canceled or expired

     (17   $ 19.88   
  

 

 

   

Outstanding as of September 30, 2013

     1,002      $ 21.14   
  

 

 

   

 

Stock Options

During the nine months ended September 30, 2013, the University granted time vested options to purchase shares of common stock with an exercise price equal to the fair market value on the date of grant to an employee. The time vested options vest ratably over a period of four years and expire ten years from the date of grant. No options were granted in 2012. A summary of the activity related to stock options granted under the University’s Incentive Plan since December 31, 2012 is as follows:

 

     Summary of Stock Options Outstanding  
     Total
Shares
    Weighted
Average
Exercise
Price per
Share
     Weighted
Average
Remaining
Contractual
Term (Years)
     Aggregate
Intrinsic
Value ($)(1)
 

Outstanding as of December 31, 2012

     4,229      $ 14.57         

Granted

     25      $ 24.97         

Exercised

     (1,070   $ 13.85         

Forfeited, canceled or expired

     (33   $ 16.37         
  

 

 

         

Outstanding as of September 30, 2013

     3,151      $ 14.88         6.10       $ 79,918   
  

 

 

   

 

 

    

 

 

    

 

 

 

Exercisable as of September 30, 2013

     1,673      $ 14.17         5.73       $ 43,616   
  

 

 

   

 

 

    

 

 

    

 

 

 

Available for issuance as of September 30, 2013

     2,251           
  

 

 

         

 

(1) Aggregate intrinsic value represents the value of the University’s closing stock price on September 30, 2013 ($40.24) in excess of the exercise price multiplied by the number of shares underlying options outstanding or exercisable, as applicable.

Share-based Compensation Expense

The table below outlines share-based compensation expense for the nine months ended September 30, 2013 and 2012 related to restricted stock and stock options granted:

 

     2013     2012  

Instructional costs and services

   $ 3,988      $ 2,807   

Admissions advisory and related expenses

     100        121   

Marketing and promotional

     170        160   

General and administrative

     3,410        2,660   
  

 

 

   

 

 

 

Share-based compensation expense included in operating expenses

     7,668        5,748   

Tax effect of share-based compensation

     (3,067     (2,299
  

 

 

   

 

 

 

Share-based compensation expense, net of tax

   $ 4,601      $ 3,449