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Property, Plant, and Equipment | 9 Months Ended
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Sep. 30, 2023
Property, Plant and Equipment [Abstract] |
Property, Plant, and Equipment | Property, Plant, and Equipment The following table summarizes the components of property, plant, and equipment as of September 30, 2023 and December 31, 2022.
| September 30, 2023 |  | December 31, 2022
| (in millions)
Land | $ | 140.1 |  |  | $ | 138.7 |
Mineral reserves | 517.3 |  |  | 506.3 |
Buildings and improvements | 327.4 |  |  | 308.3 |
Machinery and other | 1,052.1 |  |  | 973.9 |
Construction in progress | 118.9 |  |  | 83.7 |
| 2,155.8 |  |  | 2,010.9 |
Less accumulated depreciation and depletion | (901.2) |  |  | (811.3) |
| $ | 1,254.6 |  |  | $ | 1,199.6 |

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//360/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 6 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 7 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-7 + Details
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