Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

The table below sets forth the components of property, plant and equipment as of December 31, 2020 and 2019:

(in thousands)	2020		2019		Estimated useful life
Land and land improvements	$	15,611	$	14,168	25 years for improvements
Buildings	246,137		227,875		15 to 40 years
Right of use assets	10,971		16,686		10 to 15 years
Machinery and equipment	1,076,092		1,020,348		5 to 15 years
Furniture and fixtures	8,638		8,126		5 years
Computer and other equipment	19,294		18,808		3 to 10 years
Software	62,400		60,995		5 to 8 years
Capital expenditures in progress	46,228		45,588
Property, plant and equipment, gross	1,485,371		1,412,594
Accumulated depreciation and amortization	(1,036,817)		(946,132)
Property, plant and equipment, net	$	448,554	$	466,462