INVENTORIES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2016
Inventory [Line Items]
Inventory for Long-term Contracts or Programs, Gross	$ 32,188	$ 36,876
Inventories [Abstract]
Raw materials	12,513	12,822
Work in progress	22,681	23,795
Manufactured and purchased components	19,224	20,922
Finished goods	28,169	28,346
Product inventory	82,587	85,885
Total inventories	114,775	122,761
paymentofcashconsideration	6,500
Spirit [Member]
Inventories [Abstract]
Capitalized contract costs	5,970	5,373
Large Commercial Aircraft [Member]
Inventory [Line Items]
Other Inventory, Capitalized Costs, Gross	11,528	10,852
Corporate and Regional Aircraft [Member]
Inventory [Line Items]
Other Inventory, Capitalized Costs, Gross	16,721	21,081
Military [Member]
Inventory [Line Items]
Other Inventory, Capitalized Costs, Gross	$ 3,939	$ 4,943