Inventories (Tables)

6 Months Ended

Jun. 30, 2014

Inventory Disclosure [Abstract]

Inventories

Inventories as of June 30, 2014 and December 31, 2013 were as follows:

In thousands	June 30, 2014			December 31, 2013
Raw materials	$	21,680		$	11,944
Work in process	15,558			14,546
Finished goods	16,172			9,537
	53,410			36,027
Less: Progress billings	(2,210		)	(1,110		)
Total inventories	$	51,200		$	34,917