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v3.20.1

Reportable Segments (Details) $ in Thousands | 3 Months Ended
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Mar. 31, 2020 USD ($) segment | Mar. 31, 2019 USD ($)
Segment reporting information |  |
Number of reportable segments | segment | 5 |
Revenue | $ 743,243 | $ 661,558
% of Total Revenue | 100.00% | 100.00%
Gross Profit | $ 47,810 | $ 52,460
% of Revenue | 6.40% | 7.90%
Power |  |
Segment reporting information |  |
Revenue | $ 196,193 | $ 145,383
% of Total Revenue | 26.40% | 22.00%
Gross Profit | $ 18,682 | $ 20,198
% of Revenue | 9.50% | 13.90%
Pipeline |  |
Segment reporting information |  |
Revenue | $ 191,523 | $ 134,814
% of Total Revenue | 25.80% | 20.40%
Gross Profit | $ 16,492 | $ 15,016
% of Revenue | 8.60% | 11.10%
Utilities |  |
Segment reporting information |  |
Revenue | $ 147,170 | $ 146,206
% of Total Revenue | 19.80% | 22.10%
Gross Profit | $ 4,602 | $ 8,241
% of Revenue | 3.10% | 5.60%
Transmission |  |
Segment reporting information |  |
Revenue | $ 102,784 | $ 118,443
% of Total Revenue | 13.80% | 17.90%
Gross Profit | $ 1,712 | $ 6,628
% of Revenue | 1.70% | 5.60%
Civil |  |
Segment reporting information |  |
Revenue | $ 105,573 | $ 116,712
% of Total Revenue | 14.20% | 17.60%
Gross Profit | $ 6,322 | $ 2,377
% of Revenue | 6.00% | 2.00%

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