Inventories (Tables)

6 Months Ended

Jun. 30, 2015

Inventory Disclosure [Abstract]

Inventories

Inventories as of June 30, 2015 and December 31, 2014 were as follows:

In thousands	June 30, 2015			December 31, 2014
Raw materials	$	22,705		$	21,248
Work in process	19,136			15,753
Finished goods	14,976			15,348
	56,817			52,349
Less: Progress billings	(1,243		)	(1,108		)
Total inventories	$	55,574		$	51,241