PROPERTY, PLANT, AND EQUIPMENT

12 Months Ended

Dec. 31, 2020

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)	2020		2019
Land	$	17,660	$	18,632
Buildings and improvements	236,355		234,112
Machinery, equipment, and other	881,110		849,527
Property, plant, and equipment, at cost	1,135,125		1,102,271
Less: Accumulated depreciation	(756,925)		(716,678)
Property, plant, and equipment, net	$	378,200	$	385,593

Depreciation expense for the years ended December 31, 2020, 2019, and 2018 was $55.3 million, $57.4 million, and $59.4 million, respectively.