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v3.26.1

Reportable Segments - Operating performance by segment (Details) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2026 USD ($) segment | Mar. 31, 2025 USD ($)
Operating performance by segment |  |
Revenue | $ 1,559.9 | $ 1,648.1
Cost of revenue | $ 1,425.2 | $ 1,477.4
Cost of revenue, % of Segment Revenue | 91.40% | 89.60%
Gross profit | $ 134.7 | $ 170.7
Gross profit, % of Segment Revenue | 8.60% | 10.40%
Selling, general and administrative expenses | $ 105.8 | $ 99.5
Selling, general, and administrative expenses, % of Segment Revenue | 6.80% | 6.00%
Transaction and related costs | $ 4.5 | $ 0.8
Operating income | $ 24.4 | $ 70.4
Operating income, % of Segment Revenue | 1.60% | 4.30%
Number of reportable segments | segment | 2 |
Operating Segment | Utilities |  |
Operating performance by segment |  |
Revenue | $ 632.9 | $ 563.4
Cost of revenue | $ 570.9 | $ 511.8
Cost of revenue, % of Segment Revenue | 90.20% | 90.80%
Gross profit | $ 62.0 | $ 51.6
Gross profit, % of Segment Revenue | 9.80% | 9.20%
Selling, general and administrative expenses | $ 31.5 | $ 33.5
Selling, general, and administrative expenses, % of Segment Revenue | 5.00% | 5.90%
Operating income | $ 30.5 | $ 18.1
Operating income, % of Segment Revenue | 4.80% | 3.20%
Operating Segment | Energy |  |
Operating performance by segment |  |
Revenue | $ 955.4 | $ 1,108.3
Cost of revenue | $ 882.7 | $ 989.2
Cost of revenue, % of Segment Revenue | 92.40% | 89.30%
Gross profit | $ 72.7 | $ 119.1
Gross profit, % of Segment Revenue | 7.60% | 10.70%
Selling, general and administrative expenses | $ 42.9 | $ 40.2
Selling, general, and administrative expenses, % of Segment Revenue | 4.50% | 3.60%
Operating income | $ 29.8 | $ 78.9
Operating income, % of Segment Revenue | 3.10% | 7.10%
Corporate and non-allocated costs |  |
Operating performance by segment |  |
Revenue | $ (28.4) | $ (23.6)
Cost of revenue | (28.4) | (23.6)
Selling, general and administrative expenses | 31.4 | 25.8
Transaction and related costs | 4.5 | 0.8
Operating income | (35.9) | (26.6)
Intersegment eliminations |  |
Operating performance by segment |  |
Revenue | (28.4) | (23.6)
Intersegment eliminations | Utilities |  |
Operating performance by segment |  |
Revenue | 28.4 | 23.6
Cost of revenue | $ 28.4 | $ 23.6

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