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Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2015
Accounting Policies [Abstract]  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions
The Company calculated the fair value for options with the following weighted-average assumptions for 2015, 2014, and 2013:
 
 
December 31,
 
 
2015
 
2014
 
2013
 
 
 
 
 
 
 
Risk-free interest rate
 
2.00
%
 
2.24
%
 
1.38
%
Dividend yield
 
0.6
%
 
0.5
%
 
0.8
%
Volatility factors
 
48.8
%
 
48.2
%
 
47.9
%
Weighted-average expected life
 
8.0 years

 
8.0 years

 
8.0 years