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Property, Plant and Equipment | 12 Months Ended
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Dec. 31, 2023
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) |  | 2023 |  |  | 2022 |
Mineral rights and reserves |  | $ | 552.6 |  |  | $ | 604.9 |
Land |  |  | 44.5 |  |  |  | 47.3 |
Buildings |  |  | 207.3 |  |  |  | 209.8 |
Machinery and equipment |  |  | 1,201.1 |  |  |  | 1,248.0 |
Furniture and fixtures and other |  |  | 140.0 |  |  |  | 137.1 |
Construction in progress |  |  | 44.6 |  |  |  | 41.5 |
|  |  | 2,190.1 |  |  |  | 2,288.6 |
Less: accumulated depreciation and depletion |  |  | (1,203.3 | ) |  |  | (1,238.2 | )
Property, plant and equipment, net |  | $ | 986.8 |  |  | $ | 1,050.4 |
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 Barretts Minerals Inc. and Barretts Ventures Texas LLC within the Consumer & Specialties segment. See Note 17 for further information. Depreciation and depletion expense for the years ended December 31, 2023, 2022 and 2021 was $79.4 million, $76.3 million and $77.4 million, respectively.

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