Inventories (Tables)

12 Months Ended

Dec. 31, 2016

Inventory Disclosure [Abstract]

Inventories

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

	December 31,
In thousands	2016			2015
Raw materials	$	24,518		$	17,128
Work in process	17,161			14,670
Finished goods	25,360			15,048
	67,039			46,846
Less: Progress billings	(893		)	(316		)
Total inventories	$	66,146		$	46,530