CUSTOMER AND SUPPLIER CONCENTRATION (Details)	12 Months Ended
	Dec. 31, 2016 supplier customer	Dec. 31, 2015	Dec. 31, 2014 customer
Revenue and Accounts Receivable, Major Customer [Line Items]
Number of top customers	3	3	3
Supplier Concentration Risk [Member]
Revenue and Accounts Receivable, Major Customer [Line Items]
Number of suppliers	6
Percentage of materials attributable to supplier (in hundredths)	45.50%	45.90%	49.60%
Spirit [Member] | Sales Revenue, Goods, Net [Member]
Revenue and Accounts Receivable, Major Customer [Line Items]
Percentage attributable to customer (in hundredths)	38.38%	34.70%	34.32%
Spirit [Member] | Accounts Receivable [Member]
Revenue and Accounts Receivable, Major Customer [Line Items]
Percentage attributable to customer (in hundredths)	31.84%	28.60%	33.30%
Gulfstream [Member] | Sales Revenue, Goods, Net [Member]
Revenue and Accounts Receivable, Major Customer [Line Items]
Percentage attributable to customer (in hundredths)	11.69%	14.20%	15.00%
Gulfstream [Member] | Accounts Receivable [Member]
Revenue and Accounts Receivable, Major Customer [Line Items]
Percentage attributable to customer (in hundredths)	12.27%	15.50%	13.10%
Boeing [Member] | Sales Revenue, Goods, Net [Member]
Revenue and Accounts Receivable, Major Customer [Line Items]
Percentage attributable to customer (in hundredths)	11.21%	11.60%	10.60%
Boeing [Member] | Accounts Receivable [Member]
Revenue and Accounts Receivable, Major Customer [Line Items]
Percentage attributable to customer (in hundredths)	8.48%	10.20%	7.40%