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COMMON STOCK (Tables)
12 Months Ended
Dec. 31, 2011
COMMON STOCK.  
Schedule of compensation expense and tax benefits for stock-based awards and programs

 

 

 
  2011   2010   2009  

Compensation expense

  $ 1,765   $ 3,193   $ 2,292  

Tax benefit recognized

    614     1,160     819  
Schedule of shares of time-vested restricted stock granted to qualified individuals at the fair market value

 

 

 
  2011  
 
  Number of shares   Weighted Average
Fair Market Value
 

Outstanding at January 1,

      $  

Granted

    10,200   $ 21.84  

Vested

    794   $ 19.32  

Distributed

    661   $ 21.02  

Forfeited

    6,106        

Vested but not distributed

    133   $ 20.13  

Outstanding at December 31,

    3,433   $ 21.84  
Schedule of assumptions used in valuation of performance-based restricted stock awards

 

 

 
  Fair Value of Grants Outstanding at December 31,
 
  2011   2010   2009

Risk-free interest rate

  0.12% to 0.23%   0.30% to 0.62%   0.47% to 1.08%

Expected volatility of Empire stock

  23.8%   26.9%   28.8%

Expected volatility of peer group stock

  15.7% to 57.4%   21.7% to 82.7%   22.1% to 80.9%

Expected dividend yield on Empire stock

  4.7%   6.5%   7.6%

Expected forfeiture rates

  3%   3%   3%

Plan cycle

  3 years   3 years   3 years

Fair value percentage

  51.0% to 75.0%   138.0% to 193.7%   87.0% to 132.0%

Weighted average fair value per share

  $13.67   $37.17   $21.00
Schedule of non-vested restricted stock awards (based on target number) and changes during the reporting period

 

 

 
  2011   2010   2009  
 
  Number of
Shares
  Weighted
Average
Grant Date
Fair Value
  Number of
Shares
  Weighted
Average
Grant Date
Fair Value
  Number Of
Shares
  Weighted
Average
Grant Date
Fair Value
 

Outstanding at January 1,

    47,500   $ 19.86     52,200   $ 21.57     52,300   $ 22.64  

Granted

    10,900   $ 21.84     13,000   $ 18.36     13,500   $ 18.12  

Awarded

    (39,621 ) $ 21.92     (15,104 ) $ 23.81     (12,394 ) $ 22.23  

Awarded in excess of target

    18,621   $ 21.92                          

Not awarded

      $     (2,596 ) $     (1,206 ) $  
                                 

Nonvested at December 31,

    37,400   $ 19.28     47,500   $ 19.86     52,200   $ 21.57  
Schedule of assumptions used in the valuations of stock options

 

 

 
  Fair Value of Grants Outstanding at December 31,
 
  2011   2010   2009

Risk-free interest rate

  0.12% to 0.72%   0.45% to 2.34%   1.11% to 2.98%

Dividend yield

  4.7%   6.5%   7.6%

Expected volatility

  25.0%   23.0%   24.0%

Expected life in months

  78   78   78

Market value

  $21.09   $22.20   $18.73

Weighted average fair value per option

  $2.08   $2.02   $0.97
Schedule of stock options activity

 

 

 
  2011   2010   2009  
 
  Options   Weighted
Average
Exercise
Price
  Options   Weighted
Average
Exercise
Price
  Options   Weighted
Average
Exercise
Price
 

Outstanding at January 1,

    267,400   $ 21.69     232,600   $ 22.19     205,600   $ 22.73  

Granted

    0   $     34,800   $ 18.36     27,000   $ 18.12  

Exercised

    77,100   $ 22.02       $       $  
                                 

Outstanding at December 31,

    190,300   $ 21.56     267,400   $ 21.69     232,600   $ 22.19  
                                 

Exercisable, end of year

    128,500   $ 23.15     149,200   $ 23.04     85,000   $ 22.46  
                                 
Schedule of aggregate intrinsic values of stock options

 

 

 
  2011   2010   2009

Aggregate intrinsic value (in millions)

  $0.2   $0.3   $0.0

Weighted-average remaining contractual life of outstanding options

  5.1 years   6.6 years   6.6 years

Range of exercise prices

  $18.12 to $23.81   $18.12 to $23.81   $18.12 to $23.81

Total unrecognized compensation expense (in millions) related to non-vested options and related dividend equivalents granted under the plan

  $0.1   $0.2   $0.2

Recognition period

  1 year   1 to 3 years    
Schedule of employee stock purchase plan

 

 

 
  2011   2010   2009  

Subscriptions outstanding at December 31,

    70,756     71,326     68,591  

Maximum subscription price

  $ 17.27 (1) $ 16.06   $ 14.62  

Shares of stock issued

    69,229     66,723     44,265  

Stock issuance price

  $ 16.06   $ 14.62   $ 14.10  

(1)
Stock will be issued on the closing date of the purchase period, which runs from June 1, 2011 to May 31, 2012.
Schedule of assumptions used in valuation of shares under employee stock purchase plan

 

 

 
  2011   2010   2009  

Weighted average fair value of grants

  $ 3.17   $ 2.28   $ 3.26  

Risk-free interest rate

    0.18 %   0.35 %   0.48 %

Dividend yield

    2.60 %   7.20 %   7.90 %

Expected volatility(1)

    22.00 %   17.00 %   40.00 %

Expected life in months

    12     12     12  

Grant date

    6/1/11     6/1/10     6/1/09  

(1)
One-year historic volatility
Schedule of shares accrued to directors' accounts and shares available for issuance under Stock Unit Plan for directors

 

 

 
  2011   2010  

Shares accrued to directors' accounts

    133,956     139,912  

Shares available for issuance

    280,282     311,523  
Schedule of units accrued and redeemed under Stock Unit Plan for directors

 

 

 
  2011   2010   2009  

Units accrued for service and dividends

    25,287     33,364     33,024  

Units redeemed for common stock

    31,243     6,347     34,853  
Schedule of shares contributed under 401(k) plan and ESOP

 

 

 
  2011   2010   2009  

Shares contributed

    68,523     64,830     73,408