Inventories (Tables)

9 Months Ended

Sep. 30, 2013

Inventory Disclosure [Abstract]

Net Components of Inventory

Inventories, net consisted of the following:

	September 30,			December 31,
(Amounts in thousands)	2013			2012
Raw materials	$	379,993		$	351,705
Work in process	858,773			798,662
Finished goods	314,122			288,160
Less: Progress billings	(288,678		)	(275,611		)
Less: Excess and obsolete reserve	(80,022		)	(76,253		)
Inventories, net	$	1,184,188		$	1,086,663