Inventories (Tables)

12 Months Ended

Dec. 31, 2015

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories at December 31 consisted of the following (in thousands):

	2015		2014
Raw material	$	47,117	$	58,665
Work-in-process	16,238		12,841
Finished goods	43,703		57,237
Total inventories	$	107,058	$	128,743

Summary of Activity within the Reserve for Excess, Obsolete, and Slow Moving Inventory

The following table summarizes activity recorded within the reserve for excess, obsolete and slow moving inventory for the years ended December 31 (in thousands):

	2015		2014			2013
Beginning balance	$	5,575	$	5,570		$	4,907
Excess, obsolete and slow moving inventory expense	1,539		731			2,068
Scrapped inventory and other adjustments	314		(726		)	(1,405		)
Ending balance	$	7,428	$	5,575		$	5,570