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Pension and Other Benefits (Details) - Schedule of Allocation of Plan Assets
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Equity Securities      
Target Allocation 100.00%    
% of Plan Assets 100.00% 100.00%  
Weighted Average Expected Long-Term Rate of Return 5.50% 5.50% 5.50%
Domestic Equity Securities [Member]      
Equity Securities      
Target Allocation 48.00%    
% of Plan Assets 47.00% 42.00%  
Weighted Average Expected Long-Term Rate of Return 2.90%    
International Equity Securities [Member]      
Equity Securities      
Target Allocation 13.00%    
% of Plan Assets 15.00% 13.00%  
Weighted Average Expected Long-Term Rate of Return 0.80%    
Debt And Fixed Income Securities [Member]      
Equity Securities      
Target Allocation 29.00%    
% of Plan Assets 28.00% 36.00%  
Weighted Average Expected Long-Term Rate of Return 1.30%    
Mutual Funds [Member]      
Equity Securities      
Target Allocation 8.00%    
% of Plan Assets 8.00%    
Weighted Average Expected Long-Term Rate of Return 0.50%    
Cash And Other Alternative Investments [Member]      
Equity Securities      
Target Allocation 2.00%    
% of Plan Assets 2.00% 9.00%  
Weighted Average Expected Long-Term Rate of Return 0.00%