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Revenue | 6 Months Ended
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Jun. 30, 2026
Revenue from Contract with Customer [Abstract] |
Revenue | NOTE 3. REVENUE Disaggregation of Revenues Our Mineral Fiber and Architectural Specialties operating segments manufacture and sell interior and exterior architectural applications including ceilings, specialty walls and exterior metal solutions (primarily mineral fiber, fiberglass, metal, felt, architectural resin and glass, wood, wood fiber, and glass-reinforced-gypsum) throughout the Americas. We disaggregate revenue based on our product-based segments and major customer channels, as they represent the most appropriate depiction of how the nature, amount and timing of revenues and cash flows are affected by economic factors. Net sales by major customer channel are as follows: Distributors – represents net sales to commercial building materials distributors who resell our products to contractors, subcontractors’ alliances, large architect and design firms, and major facility owners. Geographically, this category includes sales throughout the U.S., Canada, and Latin America. Home centers – represents net sales to home center customers who resell our products through retail outlets. This category includes sales primarily to U.S. customers. Direct customers – represents net sales to contractors, subcontractors, and large architect and design firms. This category includes sales primarily to U.S. customers. Other – represents net sales to independent retailers and certain national account customers, including wholesalers who resell our products to dealers who service builders and maintenance, repair and operating supply (“MRO”) companies. This category also includes sales to online customers and original product manufacturers. Geographically, this category includes sales throughout the U.S., Canada, and Latin America. The following tables present net sales by major customer channel within the Mineral Fiber and Architectural Specialties segments for the three and six months ended June 30, 2026 and 2025:
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |
Mineral Fiber |  | 2026 |  |  | 2025 |  |  | 2026 |  |  | 2025 |
Distributors |  | $ | 217.9 |  |  | $ | 200.2 |  |  | $ | 406.2 |  |  | $ | 380.2 |
Home centers |  |  | 27.3 |  |  |  | 25.0 |  |  |  | 57.5 |  |  |  | 52.0 |
Direct customers |  |  | 17.9 |  |  |  | 17.9 |  |  |  | 30.8 |  |  |  | 32.0 |
Other |  |  | 25.1 |  |  |  | 23.9 |  |  |  | 50.9 |  |  |  | 47.9 |
Total |  | $ | 288.2 |  |  | $ | 267.0 |  |  | $ | 545.4 |  |  | $ | 512.1 |
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |
Architectural Specialties |  | 2026 |  |  | 2025 |  |  | 2026 |  |  | 2025 |
Direct customers |  | $ | 96.4 |  |  | $ | 80.9 |  |  | $ | 177.0 |  |  | $ | 158.3 |
Distributors |  |  | 80.6 |  |  |  | 70.0 |  |  |  | 147.0 |  |  |  | 124.3 |
Other |  |  | 6.8 |  |  |  | 6.7 |  |  |  | 12.5 |  |  |  | 12.6 |
Total |  | $ | 183.8 |  |  | $ | 157.6 |  |  | $ | 336.5 |  |  | $ | 295.2 |

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-9 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-15 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-13 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Topic 606 -Publisher FASB -URI https://asc.fasb.org/606/tableOfContent + Details
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