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STOCK-BASED COMPENSATION PLANS
9 Months Ended
Sep. 30, 2014
Postemployment Benefits [Abstract]  
STOCK-BASED COMPENSATION PLANS
10. STOCK-BASED COMPENSATION PLANS

As the primary operating subsidiary of the Company, the Operating Partnership participates in and bears the compensation expenses associated with the Company’s stock-based compensation plans. The information discussed below relating to the Company’s stock-based compensation plans is also applicable for the Operating Partnership.

Incentive stock plans

Incentive stock awards are granted under the Company’s 2003 Incentive Stock Plan, as amended and restated in October 2008 (the “2003 Stock Plan”). Under the 2003 Stock Plan, an aggregate of 3,469 shares of common stock were reserved for issuance. Of this amount, stock grants count against the total shares available under the 2003 Stock Plan as 2.7 shares for every one share issued, while options (and stock appreciation rights (“SAR”) settled in shares) count against the total shares available as one share for every one share issued on the exercise of an option (or SAR). The exercise price of each option granted under the 2003 Stock Plan may not be less than the market price of the Company’s common stock on the date of the option grant and all options may have a maximum life of ten years. Participants receiving restricted stock grants are generally eligible to vote such shares and receive dividends on such shares. Substantially all stock option and restricted stock grants are subject to annual vesting provisions (generally three to five years) as determined by the compensation committee overseeing the 2003 Stock Plan.

Compensation costs for stock options have been estimated on the grant date using the Black-Scholes option-pricing method. The weighted average assumptions used in the Black-Scholes option-pricing model are as follows:

 

     Nine months ended
September 30,
     2014   2013

Dividend yield

   2.8%   2.0%

Expected volatility

   43.0%   43.1%

Risk-free interest rate

   1.8%   1.1%

Expected option term (years)

   6.0 years   6.0 years

The Company’s assumptions were derived from the methodologies discussed herein. The expected dividend yield reflects the Company’s current historical yield, which was expected to approximate the future yield at the date of grant. Expected volatility was based on the historical volatility of the Company’s common stock. The risk-free interest rate for the expected life of the options was based on the implied yields on the U.S. Treasury yield curve at the date of grant. The weighted average expected option term was based on the Company’s historical data for prior period stock option exercise and forfeiture activity.

Restricted stock

Compensation cost for restricted stock is amortized ratably into compensation expense over the applicable vesting periods. Total compensation expense related to restricted stock was $782 and $811 for the three months and $2,370 and $2,244 for the nine months ended September 30, 2014 and 2013, respectively. At September 30, 2014, there was $3,337 of unrecognized compensation cost related to restricted stock. This cost is expected to be recognized over a weighted average period of 1.8 years.

A summary of the activity related to the Company’s restricted stock for the nine months ended September 30, 2014 and 2013 is as follows:

 

     Nine months ended September 30,  
     2014      2013  
     Shares     Weighted-Avg.
Grant-Date
Fair Value
     Shares     Weighted-Avg.
Grant-Date
Fair Value
 

Unvested shares, beginning of period

     75      $ 48         65      $ 42   

Granted (1)

     55        47         65        50   

Vested

     (1     12         (10     42   
  

 

 

      

 

 

   

Unvested shares, end of period

     129        48         120        46   
  

 

 

      

 

 

   

 

(1) The total value of the restricted share grants for the nine months ended September 30, 2014 and 2013 was $2,566 and $3,271, respectively.

Stock options

Compensation cost for stock options is amortized ratably into compensation expense over the applicable vesting periods. The Company recorded compensation expense related to stock options of $133 and $143 for the three months and $406 and $364 for the nine months ended September 30, 2014 and 2013, respectively, recognized under the fair value method. At September 30, 2014, there was $565 of unrecognized compensation cost related to unvested stock options. This cost is expected to be recognized over a weighted average period of 1.9 years.

 

A summary of stock option activity under all plans for the nine months ended September 30, 2014 and 2013, is presented below:

 

     Nine months ended September 30,  
     2014      2013  
     Shares     Exercise
Price
     Shares     Exercise
Price
 

Options outstanding, beginning of period

     539      $ 36         685      $ 34   

Granted

     35        47         29        50   

Exercised

     (296     32         (75     28   
  

 

 

      

 

 

   

Options outstanding, end of period (1)

     278        42         639        35   
  

 

 

      

 

 

   

Options exercisable, end of period (1)

     216        41         587        34   
  

 

 

      

 

 

   

Options vested and expected to vest, end of period (1)

     275        42         637        35   
  

 

 

      

 

 

   

Weighted average fair value of options granted during the period

   $ 15.21         $ 17.26     
  

 

 

      

 

 

   

 

(1) At September 30, 2014, the aggregate intrinsic value of stock options outstanding, exercisable and vested/expected to vest was $2,569, $2,329 and $2,558, respectively. At that same date, the weighted average remaining contractual lives of stock options outstanding, exercisable and vested/expected to vest was 4.4 years, 3.2 years and 4.4 years, respectively.

Upon the exercise of stock options, the Company issues shares of common stock from treasury shares or, to the extent treasury shares are not available, from authorized common shares. The total intrinsic value of stock options exercised for the nine months ended September 30, 2014 and 2013 was $5,899 and $1,454, respectively.

At September 30, 2014, the Company segregated its outstanding options into two ranges, based on exercise prices, as follows:

 

Option Ranges

   Options Outstanding      Options Exercisable  
     Shares      Weighted Avg.
Exercise Price
     Weighted Avg.
Life (Years)
     Shares      Weighted Avg.
Exercise Price
 

$12.22 - $45.70

     128       $ 35         3.6         119       $ 34   

$46.93 - $50.30

     150         48         5.0         97         48   
  

 

 

          

 

 

    

Total

     278         42         4.4         216         41   
  

 

 

          

 

 

    

Employee stock purchase plan

The Company maintains an Employee Stock Purchase Plan (the “ESPP”) approved by Company shareholders. The maximum number of shares issuable under the ESPP is 300. The purchase price of shares of common stock under the ESPP is equal to 85% of the lesser of the closing price per share of common stock on the first or last day of the trading period, as defined. The Company records the aggregate cost of the ESPP (generally the 15% discount on the share purchases) as a period expense. Total compensation expense relating to the ESPP was $103 and $40 for the three months and $181 and $114 for the nine months ended September 30, 2014 and 2013, respectively.