Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Schedule of property, plant and equipment

Property, plant and equipment consist of the following at December 31,:

	2014			2013
Land	$	4,243		$	4,243
Building and improvements	96,953			95,397
Machinery and equipment	191,306			180,064
Construction in progress	5,140			8,750
	297,642			288,454
Less:  Accumulated depreciation	(164,213		)	(149,469		)
	$	133,429		$	138,985

Schedule of aggregate future minimum lease commitments for operating leases

The aggregate future minimum lease commitments for operating leases at December 31, 2014 are as follows:

2015	$	6,229
2016	4,592
2017	3,785
2018	3,618
2019	3,426
Thereafter	1,799