INVENTORIES (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Inventory, Net [Abstract]
Raw material	$ 245,619	$ 231,219
Work-in-process	113,974	114,372
Finished goods and component parts	123,650	117,444
Inventoried costs related to long-term contracts	51,490	58,796
Gross inventories	534,733	521,831
Less: Inventory reserves	(54,129)	(54,400)
Progress payments applied	(12,896)	(15,344)
Inventories, net	$ 467,708	$ 452,087