Property, Plant and Equipment

12 Months Ended

Dec. 31, 2024

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Note 10.  Property, Plant and Equipment

The major categories of property, plant and equipment and accumulated depreciation and depletion are presented below:

	December 31,
(millions of dollars)	2024			2023
Mineral rights and reserves	$	560.0		$	552.6
Land		43.0			44.5
Buildings		202.0			207.3
Machinery and equipment		1,236.4			1,201.1
Furniture and fixtures and other		144.5			140.0
Construction in progress		50.7			44.6
		2,236.6			2,190.1
Less: accumulated depreciation and depletion		(1,246.9	)		(1,203.3	)
Property, plant and equipment, net	$	989.7		$	986.8

In the fourth quarter of 2024, the Company recorded a $12.3 million net gain on sale of assets for a facility within the Engineered Solutions segment.

In the third quarter of 2023, the Company recorded a $71.7 million non-cash impairment of long-lived assets charge related to its subsidiaries Oldco and BVT within the Consumer & Specialties segment.  See Note 17 for further information.

Depreciation and depletion expense for the years ended December 31, 2024, 2023 and 2022 was $79.5 million, $79.4 million and $76.3 million, respectively.