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Share-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2012
Share-Based Compensation  
Schedule of assumptions used and weighted average fair value for grants

 

 

Expected annual dividend rate

 

1.23

%

Risk-free interest rate

 

0.81

%

Average expected life (years)

 

5.6

 

Expected volatility of common stock

 

.409

 

Forfeiture rate

 

0.0

%

Weighted average fair value of option grants

 

$

4.43