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v3.25.3

Segment Results (Tables) | 9 Months Ended
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Sep. 30, 2025
Segment Reporting [Abstract] |
Schedule Of Segment Reporting Information | The following tables are presented at the level of disaggregation regularly reviewed by the CODM to evaluate operating performance and allocate resources to operating segments:
For the three months ended September 30, 2025 |  | Mineral Fiber |  |  | Architectural Specialties |  |  | Unallocated Corporate |  |  | Total |
Net sales to external customers |  | $ | 274.0 |  |  | $ | 151.2 |  |  | $ | - |  |  | $ | 425.2 |
Cost of goods sold |  |  | 155.3 |  |  |  | 91.1 |  |  |  | 0.3 |  |  |  | 246.7 |
Gross profit (loss) |  |  | 118.7 |  |  |  | 60.1 |  |  |  | (0.3 | ) |  |  | 178.5 |
SG&A expenses |  |  | 49.1 |  |  |  | 40.7 |  |  |  | 0.3 |  |  |  | 90.1 |
Loss related to change in fair value of contingent consideration |  |  | - |  |  |  | 0.1 |  |  |  | - |  |  |  | 0.1 |
(Gain) on sales of fixed assets, net |  |  | (0.9 | ) |  |  | - |  |  |  | - |  |  |  | (0.9 | )
Equity (earnings) loss from unconsolidated affiliates, net |  |  | (28.2 | ) |  |  | - |  |  |  | 0.2 |  |  |  | (28.0 | )
Segment operating income (loss) |  | $ | 98.7 |  |  | $ | 19.3 |  |  | $ | (0.8 | ) |  | $ | 117.2 |
Depreciation and amortization |  | $ | 21.6 |  |  | $ | 8.5 |  |  | $ | - |  |  | $ | 30.1 |
Purchases of property, plant and equipment |  |  | 18.5 |  |  |  | 4.1 |  |  |  | - |  |  |  | 22.6 |
For the three months ended September 30, 2024 |  | Mineral Fiber |  |  | Architectural Specialties |  |  | Unallocated Corporate |  |  | Total |
Net sales to external customers |  | $ | 258.0 |  |  | $ | 128.6 |  |  | $ | - |  |  | $ | 386.6 |
Cost of goods sold |  |  | 146.5 |  |  |  | 75.5 |  |  |  | 0.5 |  |  |  | 222.5 |
Gross profit (loss) |  |  | 111.5 |  |  |  | 53.1 |  |  |  | (0.5 | ) |  |  | 164.1 |
SG&A expenses |  |  | 43.6 |  |  |  | 33.9 |  |  |  | 0.1 |  |  |  | 77.6 |
Loss related to change in fair value of contingent consideration |  |  | 0.1 |  |  |  | 0.1 |  |  |  | - |  |  |  | 0.2 |
Loss (gain) on sales and impairment of fixed assets, net |  |  | 0.3 |  |  |  | (0.1 | ) |  |  | - |  |  |  | 0.2 |
Equity (earnings) loss from unconsolidated affiliates, net |  |  | (25.5 | ) |  |  | - |  |  |  | 0.3 |  |  |  | (25.2 | )
Segment operating income (loss) |  | $ | 93.0 |  |  | $ | 19.2 |  |  | $ | (0.9 | ) |  | $ | 111.3 |
Depreciation and amortization |  | $ | 19.7 |  |  | $ | 6.4 |  |  | $ | - |  |  | $ | 26.1 |
Purchases of property, plant and equipment |  |  | 15.9 |  |  |  | 3.5 |  |  |  | - |  |  |  | 19.4 |
For the nine months ended September 30, 2025 |  | Mineral Fiber |  |  | Architectural Specialties |  |  | Unallocated Corporate |  |  | Total |
Net sales to external customers |  | $ | 786.1 |  |  | $ | 446.4 |  |  | $ | - |  |  | $ | 1,232.5 |
Cost of goods sold |  |  | 460.0 |  |  |  | 267.3 |  |  |  | 1.0 |  |  |  | 728.3 |
Gross profit (loss) |  |  | 326.1 |  |  |  | 179.1 |  |  |  | (1.0 | ) |  |  | 504.2 |
SG&A expenses |  |  | 132.3 |  |  |  | 119.0 |  |  |  | 0.8 |  |  |  | 252.1 |
Loss related to change in fair value of contingent consideration |  |  | 0.2 |  |  |  | 0.3 |  |  |  | - |  |  |  | 0.5 |
(Gain) loss on sales of fixed assets, net |  |  | (0.9 | ) |  |  | 0.1 |  |  |  | - |  |  |  | (0.8 | )
Equity (earnings) loss from unconsolidated affiliates, net |  |  | (87.1 | ) |  |  | - |  |  |  | 0.6 |  |  |  | (86.5 | )
Segment operating income (loss) |  | $ | 281.6 |  |  | $ | 59.7 |  |  | $ | (2.4 | ) |  | $ | 338.9 |
Depreciation and amortization |  | $ | 64.5 |  |  | $ | 25.4 |  |  | $ | - |  |  | $ | 89.9 |
Purchases of property, plant and equipment |  |  | 49.9 |  |  |  | 11.7 |  |  |  | - |  |  |  | 61.6 |
For the nine months ended September 30, 2024 |  | Mineral Fiber |  |  | Architectural Specialties |  |  | Unallocated Corporate |  |  | Total |
Net sales to external customers |  | $ | 747.8 |  |  | $ | 330.2 |  |  | $ | - |  |  | $ | 1,078.0 |
Cost of goods sold |  |  | 439.7 |  |  |  | 199.4 |  |  |  | 1.2 |  |  |  | 640.3 |
Gross profit (loss) |  |  | 308.1 |  |  |  | 130.8 |  |  |  | (1.2 | ) |  |  | 437.7 |
SG&A expenses |  |  | 132.8 |  |  |  | 89.6 |  |  |  | 0.7 |  |  |  | 223.1 |
Loss related to change in fair value of contingent consideration |  |  | 0.5 |  |  |  | 0.1 |  |  |  | - |  |  |  | 0.6 |
Loss on sales and impairment of fixed assets, net |  |  | 0.3 |  |  |  | - |  |  |  | - |  |  |  | 0.3 |
Equity (earnings) loss from unconsolidated affiliates, net |  |  | (79.4 | ) |  |  | - |  |  |  | 0.7 |  |  |  | (78.7 | )
Segment operating income (loss) |  | $ | 253.9 |  |  | $ | 41.1 |  |  | $ | (2.6 | ) |  | $ | 292.4 |
Depreciation and amortization |  | $ | 59.3 |  |  | $ | 16.6 |  |  | $ | - |  |  | $ | 75.9 |
Purchases of property, plant and equipment |  |  | 43.5 |  |  |  | 10.5 |  |  |  | - |  |  |  | 54.0 |
Reconciliation of Total Segment Operating Income to Earnings Before Income Taxes | The following table reconciles our total segment operating income to earnings before income taxes. These items are measured and managed only on a consolidated basis.
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Total segment operating income |  | $ | 117.2 |  |  | $ | 111.3 |  |  | $ | 338.9 |  |  | $ | 292.4 |
Interest expense |  |  | 8.2 |  |  |  | 10.5 |  |  |  | 25.3 |  |  |  | 30.6 |
Other non-operating (income), net |  |  | (0.5 | ) |  |  | (3.0 | ) |  |  | (1.9 | ) |  |  | (9.3 | )
Earnings before income taxes |  | $ | 109.5 |  |  | $ | 103.8 |  |  | $ | 315.5 |  |  | $ | 271.1 |
Reconciliation of Total Segment Assets to Total Consolidated Assets | The following tables present balance sheet information by operating segment:
As of September 30, 2025 |  | Mineral Fiber |  |  | Architectural Specialties |  |  | Unallocated Corporate |  |  | Total |
Segment assets |  | $ | 1,082.1 |  |  | $ | 621.1 |  |  | $ | 190.2 |  |  | $ | 1,893.4 |
Investments in unconsolidated affiliates |  |  | 27.3 |  |  |  | - |  |  |  | 4.0 |  |  |  | 31.3 |
As of December 31, 2024 |  | Mineral Fiber |  |  | Architectural Specialties |  |  | Unallocated Corporate |  |  | Total |
Segment assets |  | $ | 1,063.8 |  |  | $ | 602.2 |  |  | $ | 176.7 |  |  | $ | 1,842.7 |
Investments in unconsolidated affiliates |  |  | 22.6 |  |  |  | - |  |  |  | 4.6 |  |  |  | 27.2 |

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-25 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 + Details
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