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v3.25.1

Revenue (Tables) | 6 Months Ended
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Mar. 31, 2025
Revenue from Contract with Customer [Abstract] |
Schedule of Contract Asset and Liabilities | Contract assets and liabilities as of March 31, 2025 and September 30, 2024 are summarized below (in thousands):
| March 31, 2025 |  | September 30, 2024
Contract assets | $ | 115,943 |  |  | $ | 102,827 |
Contract liabilities | (283,372) |  |  | (287,763) |
Net contract liability | $ | (167,429) |  |  | $ | (184,936) |
Schedule of Disaggregation of Revenue | The following tables present our disaggregated revenue by geographic destination and market sector for the three and six months ended March 31, 2025 and 2024 (in thousands):
| Three months ended March 31, |  | Six months ended March 31,
| 2025 |  | 2024 |  | 2025 |  | 2024
United States | $ | 227,834 |  |  | $ | 216,933 |  |  | $ | 425,606 |  |  | $ | 376,793 |
Canada | 33,970 |  |  | 24,160 |  |  | 65,664 |  |  | 44,510 |
Europe | 5,897 |  |  | 8,265 |  |  | 11,425 |  |  | 14,797 |
Middle East and Africa | 8,282 |  |  | 2,803 |  |  | 12,840 |  |  | 6,078 |
Mexico, Central and South America | 1,002 |  |  | 2,159 |  |  | 1,301 |  |  | 4,816 |
Asia/Pacific | 1,646 |  |  | 788 |  |  | 3,226 |  |  | 2,131 |
Total revenues by geographic destination | $ | 278,631 |  |  | $ | 255,108 |  |  | $ | 520,062 |  |  | $ | 449,125 |
| Three months ended March 31, |  | Six months ended March 31,
| 2025 |  | 2024 |  | 2025 |  | 2024
Oil and gas (excludes petrochemical) | $ | 101,167 |  |  | $ | 103,820 |  |  | $ | 196,846 |  |  | $ | 187,456 |
Petrochemical | 43,704 |  |  | 50,070 |  |  | 76,887 |  |  | 78,437 |
Electric utility | 70,339 |  |  | 47,502 |  |  | 121,579 |  |  | 88,205 |
Commercial and other industrial | 40,369 |  |  | 34,894 |  |  | 84,669 |  |  | 59,566 |
Light rail traction power | 10,008 |  |  | 4,517 |  |  | 18,236 |  |  | 8,862 |
All others | 13,044 |  |  | 14,305 |  |  | 21,845 |  |  | 26,599 |
Total revenues by market sector | $ | 278,631 |  |  | $ | 255,108 |  |  | $ | 520,062 |  |  | $ | 449,125 |

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -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 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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