Property, Plant and Equipment, net

12 Months Ended

Dec. 31, 2022

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment, net

6. Property, Plant and Equipment, net

Property, plant and equipment consists of:

	Estimated Useful	December 31,
	Lives	2022			2021
		(In thousands)
Land improvements	10-25 years	$	7,240		$	7,374
Buildings	15-40 years		169,315			206,037
Machinery, equipment and other	3-10 years		385,745			398,995
			562,300			612,406
Less accumulated depreciation			(410,850	)		(419,834	)
			151,450			192,572
Land			9,858			12,261
Construction work in process			19,962			11,367
Total property, plant and equipment		$	181,270		$	216,200

Depreciation expense totaled $26.6 million, $27.2 million and $28.7 million for 2022, 2021 and 2020, respectively.