Inventories

3 Months Ended

Mar. 31, 2017

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories, net consisted of the following:

	March 31,			December 31,
(Amounts in thousands)	2017			2016
Raw materials	$	361,685		$	348,012
Work in process	655,564			633,352
Finished goods	225,883			220,912
Less: Progress billings	(214,104		)	(216,396		)
Less: Excess and obsolete reserve	(71,908		)	(66,629		)
Inventories, net	$	957,120		$	919,251