Inventories (Tables)

9 Months Ended

Sep. 30, 2013

Inventory Disclosure [Abstract]

Inventories

Inventories as of September 30, 2013 and December 31, 2012 were as follows:

	September 30,		December 31,
In thousands	2013		2012
Raw materials	$	13,940	$	12,501
Work in process		17,832		12,800
Finished goods		9,621		10,549
		41,393		35,850
Less: Progress billings		(2,817)		(4,558)
Total inventories	$	38,576	$	31,292