INVENTORIES (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Inventories [Abstract]
Raw material	$ 224,613	$ 168,619
Work-in-process	92,761	89,832
Finished goods and component parts	107,173	81,544
Inventory costs related to U.S. Government and other long-term contracts	38,000	35,347
Gross inventories	462,547	375,342
Less: Inventory reserves	(50,333)	(48,547)
Progress payments applied, principally related to long-term contracts	(14,743)	(13,750)
Inventories, net	$ 397,471	$ 313,045