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PENSION PLANS (Details 7)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Actual Plan Asset Allocations 100.00% 100.00%
U.S. Equity Securities    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Actual Plan Asset Allocations 4.00% 4.00%
Defined Benefit Plan, Target Plan Asset Allocations 6.00%  
Defined Benefit Plan, Target Plan Asset Allocations Range Minimum 0.00%  
Defined Benefit Plan, Target Plan Asset Allocations Range Maximum 14.00%  
Non-U.S. Equity Securities    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Actual Plan Asset Allocations 6.00% 7.00%
Defined Benefit Plan, Target Plan Asset Allocations 6.00%  
Defined Benefit Plan, Target Plan Asset Allocations Range Minimum 0.00%  
Defined Benefit Plan, Target Plan Asset Allocations Range Maximum 14.00%  
Fixed Income / Cash    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Actual Plan Asset Allocations 47.00% 52.00%
Defined Benefit Plan, Target Plan Asset Allocations 61.00%  
Defined Benefit Plan, Target Plan Asset Allocations Range Minimum 48.00%  
Defined Benefit Plan, Target Plan Asset Allocations Range Maximum 80.00%  
Acquisition plan receivable    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Actual Plan Asset Allocations 10.00% 0.00%
Alternative Investments    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Actual Plan Asset Allocations 19.00% 21.00%
Defined Benefit Plan, Target Plan Asset Allocations 7.00%  
Defined Benefit Plan, Target Plan Asset Allocations Range Minimum 0.00%  
Defined Benefit Plan, Target Plan Asset Allocations Range Maximum 28.00%  
Absolute Return Strategies    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Actual Plan Asset Allocations 14.00% 16.00%
Defined Benefit Plan, Target Plan Asset Allocations 20.00%  
Defined Benefit Plan, Target Plan Asset Allocations Range Minimum 10.00%  
Defined Benefit Plan, Target Plan Asset Allocations Range Maximum 30.00%