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v3.25.1

Segment Information - Financial information for segments (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Segment Reporting Information [Line Items] |  |  |  |  |  |
Revenues |  | $ 632.0 |  | $ 598.6 |  |
Cost of revenues |  | 506.6 |  | 487.0 |  |
Selling, general, and administrative expenses |  | 73.7 |  | 69.1 |  |
Gain on disposition of property, plant, equipment, and other assets |  | (3.8) |  | (3.9) |  |
Gain on sale of businesses |  | (0.3) |  | (7.0) |  |
Operating profit (loss) |  | 55.8 |  | 53.4 |  |
Depreciation, depletion, and amortization |  | 53.6 |  | 42.8 |  |
Assets |  | 4,933.9 | [1] | 3,668.1 | [1] | $ 4,915.5
Payments to Acquire Productive Assets |  | 34.0 |  | 54.4 |  |
Total |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Revenues |  | 632.0 |  | 598.6 |  |
Corporate |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Revenues |  | 0.0 |  | 0.0 |  |
Cost of revenues |  | 0.0 |  | 0.0 |  |
Selling, general, and administrative expenses |  | 15.4 |  | 16.3 |  |
Gain on disposition of property, plant, equipment, and other assets |  | 0.0 |  | 0.0 |  |
Gain on sale of businesses |  | 0.0 |  | 0.0 |  |
Operating profit (loss) |  | (15.4) |  | (16.3) |  |
Depreciation, depletion, and amortization |  | 0.4 |  | 0.8 |  |
Assets | [1] | 238.6 |  | 210.0 |  |
Payments to Acquire Productive Assets |  | 1.0 |  | 0.4 |  |
Construction Products | Total |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Revenues |  | 262.8 |  | 251.2 |  |
Cost of revenues |  | 217.1 |  | 198.3 |  |
Selling, general, and administrative expenses |  | 31.2 |  | 28.0 |  |
Gain on disposition of property, plant, equipment, and other assets |  | (3.8) |  | (3.9) |  |
Gain on sale of businesses |  | 0.0 |  | 0.0 |  |
Operating profit (loss) |  | 18.3 |  | 28.8 |  |
Depreciation, depletion, and amortization |  | 38.6 |  | 30.1 |  |
Assets | [1] | 3,285.4 |  | 2,067.7 |  |
Payments to Acquire Productive Assets |  | 24.4 |  | 30.7 |  |
Engineered Structures | Total |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Revenues |  | 284.8 |  | 231.6 |  |
Cost of revenues |  | 222.6 |  | 193.8 |  |
Selling, general, and administrative expenses |  | 23.2 |  | 18.5 |  |
Gain on disposition of property, plant, equipment, and other assets |  | 0.0 |  | 0.0 |  |
Gain on sale of businesses |  | 0.0 |  | (7.0) |  |
Operating profit (loss) |  | 39.0 |  | 26.3 |  |
Depreciation, depletion, and amortization |  | 12.7 |  | 7.9 |  |
Assets | [1] | 1,252.0 |  | 1,084.5 |  |
Payments to Acquire Productive Assets |  | 7.6 |  | 21.4 |  |
Transportation Products | Total |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Revenues |  | 84.4 |  | 115.8 |  |
Cost of revenues |  | 66.9 |  | 94.9 |  |
Selling, general, and administrative expenses |  | 3.9 |  | 6.3 |  |
Gain on disposition of property, plant, equipment, and other assets |  | 0.0 |  | 0.0 |  |
Gain on sale of businesses |  | (0.3) |  | 0.0 |  |
Operating profit (loss) |  | 13.9 |  | 14.6 |  |
Depreciation, depletion, and amortization |  | 1.9 |  | 4.0 |  |
Assets | [1] | 157.9 |  | 305.9 |  |
Payments to Acquire Productive Assets |  | 1.0 |  | 1.9 |  |
Eliminations | Intersegment |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Revenues |  | 0.0 |  | 0.0 |  |
Cost of revenues |  | 0.0 |  | 0.0 |  |
Selling, general, and administrative expenses |  | 0.0 |  | 0.0 |  |
Gain on disposition of property, plant, equipment, and other assets |  | 0.0 |  | 0.0 |  |
Gain on sale of businesses |  | 0.0 |  | 0.0 |  |
Operating profit (loss) |  | 0.0 |  | 0.0 |  |
Depreciation, depletion, and amortization |  | 0.0 |  | 0.0 |  |
Assets | [1] | 0.0 |  | 0.0 |  |
Payments to Acquire Productive Assets |  | $ 0.0 |  | $ 0.0 |  |
[1] | (unaudited)

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