INVENTORIES (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Inventory, Net [Abstract]
Raw material	$ 230,208	$ 224,613
Work-in-process	104,246	92,761
Finished goods and component parts	116,547	107,173
Inventoried costs related to long-term contracts	51,360	38,000
Gross inventories	502,361	462,547
Less: Inventory reserves	(54,846)	(50,333)
Progress payments applied	(11,224)	(14,743)
Inventories, net	$ 436,291	$ 397,471