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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Defined Contribution Retirement Plan) (Narrative) (Details) - Curtiss-Wright [Member] - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Defined Contribution Retirement Plan [Member] | UNITED STATES      
Defined Contribution Plan Disclosure [Line Items]      
Expense relating to the defined contribution plan $ 11.3    
Employer contributions made to the defined contribution plan 4.8    
Non-elective estimated employer contribution to the defined contribution plan 6.5    
Expected cumulative employer contributions to the defined contribution plan 64.0    
Defined Contribution Retirement Plan [Member] | Non-US [Member]      
Defined Contribution Plan Disclosure [Line Items]      
Pension expense $ 4.2 $ 4.8 $ 5.7
Maximum [Member]      
Defined Contribution Plan Disclosure [Line Items]      
Maximum employer contribution match percentage 6.00%    
Maximum [Member] | Defined Contribution Retirement Plan [Member] | UNITED STATES      
Defined Contribution Plan Disclosure [Line Items]      
Maximum employer contribution match percentage 6.00%