Inventories (Tables)

6 Months Ended

Jun. 30, 2016

Inventory Disclosure [Abstract]

Inventories

Inventories as of June 30, 2016 and December 31, 2015 were as follows:

In thousands	June 30, 2016			December 31, 2015
Raw materials	$	19,659		$	17,128
Work in process	14,062			14,670
Finished goods	13,965			15,048
	47,686			46,846
Less: Progress billings	(629		)	(316		)
Total inventories	$	47,057		$	46,530