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Stockholders' Equity (Tables)
 12 Months Ended
Dec. 31, 2015
Equity [Abstract]  
Summary of Purchase and Sale of Common Stock

The following table summarizes the shares of the Company’s common stock that were purchased and sold by the Company’s Rabbi Trust, which holds the investments for the Capital Accumulation Plan:

 

 

 

Years ended December 31,

 

 

 

 

2015

 

 

2014

 

 

2013

 

 

Shares of common stock purchased

 

 

56,325

 

 

 

1,400

 

 

 

5,900

 

 

Aggregate purchase price of shares purchased

 

$

2,226,675

 

 

$

52,961

 

 

$

158,060

 

 

Shares of common stock sold

 

 

83,961

 

 

 

9,729

 

 

 

11,719

 

 

Aggregate sale price of shares sold

 

$

3,380,448

 

 

$

53,962

 

 

$

158,060