PROPERTY, PLANT, AND EQUIPMENT

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

PROPERTY, PLANT, AND EQUIPMENT

7. PROPERTY, PLANT, AND EQUIPMENT

The composition of property, plant, and equipment as of December 31 is as follows:

(In thousands)	2021		2020
Land	$	17,615	$	17,660
Buildings and improvements	239,217		236,355
Machinery, equipment, and other	885,970		881,110
Property, plant, and equipment, at cost	1,142,802		1,135,125
Less: Accumulated depreciation	(782,771)		(756,925)
Property, plant, and equipment, net	$	360,031	$	378,200

Depreciation expense for the years ended December 31, 2021, 2020, and 2019 was $54.8 million, $55.3 million, and $57.4 million, respectively.