Property, Plant and Equipment Property, Plant and Equipment

12 Months Ended

Dec. 31, 2018

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, Plant and Equipment, net

Property, plant and equipment consisted of the following:

	December 31,
(in thousands)	2018			2017
Land	$	30,034		$	33,087
Buildings and site improvements	198,809			212,817
Leasehold improvements	4,826			4,684
Machinery and equipment	330,076			300,334
	563,745			550,922
Less accumulated depreciation and amortization	(318,388		)	(299,907		)
	245,357			251,015
Capital projects in progress	9,240			22,005
	$	254,597		$	273,020

Included in property, plant and equipment at December 31, 2018 and 2017, are fully depreciated assets with an original cost of $196.8 million and $189.9 million, respectively. These fully depreciated assets are still in use in the Company’s operations. The Company capitalizes certain development costs associated with internal use software, including the direct costs of services provided by third-party consultants and payroll for internal employees, both of which are performing development and implementation activities on a software project. As of December 31, 2018 and 2017, the Company had capitalized software development costs subject to amortization of $39.1 million and $20.5 million, respectively, and as of December 31, 2018 and 2017, $3.6 million and $12.2 million, respectively, included in capital projects in progress.

In November 2018, the Company sold a facility that was not occupied by the Company and was leased to a third party. The Company received net proceeds of $17.5 million, after closing costs and sales price adjustments

Depreciation expense, including depreciation of equipment, internally developed software and software acquired through capital lease arrangements, was $33.3 million, $27.3 million and $21.6 million for the years ended December 31, 2018, 2017 and 2016, respectively.