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Segments | 12 Months Ended
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Dec. 31, 2022
Segment Reporting [Abstract] |
Segments | Note P: Segments As of December 31, 2022, the Building Materials business is comprised of four divisions that represent individual operating segments. These operating segments are consolidated into two reportable segments, the East Group and the West Group, for financial reporting purposes as they meet the aggregation criteria. The Magnesia Specialties business represents an individual operating and reportable segment. The accounting policies used for segment reporting are the same as those described in Note A. The Chief Operating Decision Maker’s evaluation of performance and allocation of resources are based primarily on earnings from operations. Consolidated earnings from operations include total revenues less cost of revenues; selling, general and administrative expenses; acquisition and integration expenses; other operating income and expenses, net; and exclude interest expense; other nonoperating income and expenses, net; and income tax expense. Corporate loss from operations primarily includes depreciation; expenses for corporate administrative functions; acquisition and integration expenses; and other nonrecurring income and expenses not attributable to operations of the Company's other operating segments. All long-term debt and related interest expense are held at Corporate. Assets employed by segment include assets directly identified with those operations. Corporate assets consist primarily of cash, cash equivalents and restricted cash; property, plant and equipment for corporate operations; restricted investments; and other assets not directly identifiable with a reportable segment. The following tables display selected financial data for the Company’s reportable segments. Total revenues, as presented on the consolidated statements of earnings and comprehensive earnings, reflect the elimination of intersegment revenues. Total revenues and earnings (loss) from operations reflect continuing operations only.
years ended December 31 (in millions) Total revenues |  | 2022 |  |  | 2021 |  |  | 2020 |
East Group |  | $ | 2,468.1 |  |  | $ | 2,303.0 |  |  | $ | 1,949.1 |
West Group |  |  | 3,388.6 |  |  |  | 2,812.3 |  |  |  | 2,538.1 |
Total Building Materials business |  |  | 5,856.7 |  |  |  | 5,115.3 |  |  |  | 4,487.2 |
Magnesia Specialties |  |  | 304.0 |  |  |  | 298.7 |  |  |  | 242.7 |
Total |  | $ | 6,160.7 |  |  | $ | 5,414.0 |  |  | $ | 4,729.9 |
years ended December 31 (in millions) Earnings (Loss) from operations |  | 2022 |  |  | 2021 |  |  | 2020 |
East Group |  | $ | 640.2 |  |  | $ | 621.7 |  |  | $ | 522.1 |
West Group |  |  | 588.1 |  |  |  | 385.2 |  |  |  | 471.3 |
Total Building Materials business |  |  | 1,228.3 |  |  |  | 1,006.9 |  |  |  | 993.4 |
Magnesia Specialties |  |  | 75.2 |  |  |  | 90.8 |  |  |  | 70.7 |
Corporate |  |  | (96.8 | ) |  |  | (123.9 | ) |  |  | (58.7 | )
Total |  | $ | 1,206.7 |  |  | $ | 973.8 |  |  | $ | 1,005.4 |
Earnings from operations for the West Group included a nonrecurring gain on divestiture of $151.9 million in 2022 and nonrecurring gains on sales of investment land and divested assets of $69.9 million in 2020.
December 31 (in millions) Assets employed |  | 2022 |  |  | 2021 |  |  | 2020 |
East Group |  | $ | 5,063.5 |  |  | $ | 5,009.0 |  |  | $ | 4,342.5 |
West Group |  |  | 7,908.4 |  |  |  | 8,264.8 |  |  |  | 5,355.5 |
Total Building Materials business |  |  | 12,971.9 |  |  |  | 13,273.8 |  |  |  | 9,698.0 |
Magnesia Specialties |  |  | 192.1 |  |  |  | 168.7 |  |  |  | 167.9 |
Corporate |  |  | 1,829.6 |  |  |  | 950.5 |  |  |  | 714.9 |
Total |  | $ | 14,993.6 |  |  | $ | 14,393.0 |  |  | $ | 10,580.8 |
years ended December 31 (in millions) Depreciation, depletion and amortization |  | 2022 |  |  | 2021 |  |  | 2020 |
East Group |  | $ | 210.4 |  |  | $ | 196.0 |  |  | $ | 167.9 |
West Group |  |  | 260.6 |  |  |  | 223.0 |  |  |  | 196.6 |
Total Building Materials business |  |  | 471.0 |  |  |  | 419.0 |  |  |  | 364.5 |
Magnesia Specialties |  |  | 12.2 |  |  |  | 12.3 |  |  |  | 11.5 |
Corporate |  |  | 22.8 |  |  |  | 20.4 |  |  |  | 17.5 |
Total |  | $ | 506.0 |  |  | $ | 451.7 |  |  | $ | 393.5 |
Total property additions, including the impact of acquisitions |  |  |  |  |  |  |  |  |
East Group |  | $ | 189.1 |  |  | $ | 372.9 |  |  | $ | 159.0 |
West Group |  |  | 302.2 |  |  |  | 1,131.6 |  |  |  | 197.9 |
Total Building Materials business |  |  | 491.3 |  |  |  | 1,504.5 |  |  |  | 356.9 |
Magnesia Specialties |  |  | 32.0 |  |  |  | 8.2 |  |  |  | 13.5 |
Corporate |  |  | 21.1 |  |  |  | 28.8 |  |  |  | 16.8 |
Total |  | $ | 544.4 |  |  | $ | 1,541.5 |  |  | $ | 387.2 |
Property additions through acquisitions |  |  |  |  |  |  |  |  |
East Group |  | $ | — |  |  | $ | 169.2 |  |  | $ | — |
West Group |  |  | 2.5 |  |  |  | 918.3 |  |  |  | 20.0 |
Total Building Materials business |  |  | 2.5 |  |  |  | 1,087.5 |  |  |  | 20.0 |
Magnesia Specialties |  |  | — |  |  |  | — |  |  |  | — |
Corporate |  |  | — |  |  |  | — |  |  |  | — |
Total |  | $ | 2.5 |  |  | $ | 1,087.5 |  |  | $ | 20.0 |

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8924-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 34 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8981-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8721-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9031-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (f) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 26 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8844-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9038-108599 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9054-108599 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 15 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8657-108599 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8721-108599 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -URI https://asc.fasb.org/topic&trid=2134510 + Details
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