Property, Plant and Equipment

12 Months Ended

Dec. 31, 2015

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

PROPERTY, PLANT AND EQUIPMENT

(Dollars in thousands)	December 31, 2015			December 31, 2014
Land	$	16,726		$	14,045
Buildings and improvements	141,082			132,105
Machinery and equipment	191,459			165,979
Office equipment	42,696			36,810
	391,963			348,939
Accumulated depreciation	(237,150		)	(225,092		)
Property, plant and equipment, net	154,813			123,847
Equipment in process	23,848			26,573
Total property, plant and equipment, net	$	178,661		$	150,420

Depreciation expense was $23.2 million in 2015, $20.1 million in 2014, and $20.4 million in 2013. As part of the acquisition of Curamik in 2011, we acquired a capital lease on its facility in Eschenbach, Germany. The total obligation recorded for the lease as of December 31, 2015 and 2014 was $5.8 million and $6.8 million, respectively. Depreciation expense related to the capital lease was $0.3 million, $0.4 million and $0.4 million for the years ending December 31, 2015, 2014 and 2013, respectively. Accumulated depreciation for the capital lease as of December 31, 2015 and 2014 was $1.9 million and $1.6 million, respectively.