Inventories (Tables)

6 Months Ended

Jun. 30, 2013

Inventory Disclosure [Abstract]

Summary of inventories

Inventories consist of the following:

	June 30, 2013			December 31, 2012
	(in thousands)
Raw materials	$	62,233		$	72,244
Work-in-process	18,782			15,877
Finished products	14,012			24,364
Total inventories	95,027			112,485
Less reserves	(2,039		)	(2,410		)
Total inventories, net	$	92,988		$	110,075