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Revenue (Tables) | 3 Months Ended
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Dec. 31, 2022
Revenue from Contract with Customer [Abstract] |
Summary of Contract Asset and Liabilities | Contract assets and liabilities as of December 31, 2022 and September 30, 2022 are summarized below (in thousands):
| December 31, 2022 |  | September 30, 2022
Contract assets | $ | 63,911 |  |  | $ | 88,351 |
Contract liabilities | (133,753) |  |  | (79,857) |
Net contract asset (liability) | $ | (69,842) |  |  | $ | 8,494 |
Disaggregation of Revenue | The following tables present our disaggregated revenue by geographic destination and market sector for the three months ended December 31, 2022 and 2021 (in thousands):
| Three months ended December 31, |  |
| 2022 |  | 2021 |  |  |  |
United States | $ | 100,112 |  |  | $ | 82,145 |  |  |  |  |
Canada | 18,496 |  |  | 15,125 |  |  |  |  |
Europe, Middle East and Africa | 6,559 |  |  | 7,830 |  |  |  |  |
Asia/Pacific | 776 |  |  | 944 |  |  |  |  |
Mexico, Central and South America | 915 |  |  | 525 |  |  |  |  |
Total revenues by geographic destination | $ | 126,858 |  |  | $ | 106,569 |  |  |  |  |
| Three months ended December 31, |  |
| 2022 |  | 2021 |  |  |  |
Oil and gas (excludes petrochemical) | $ | 43,510 |  |  | $ | 43,021 |  |  |  |  |
Petrochemical | 22,490 |  |  | 17,228 |  |  |  |  |
Electric utility | 28,407 |  |  | 21,533 |  |  |  |  |
Traction power | 7,072 |  |  | 11,372 |  |  |  |  |
Commercial and other industrial | 17,050 |  |  | 5,646 |  |  |  |  |
All others | 8,329 |  |  | 7,769 |  |  |  |  |
Total revenues by market sector | $ | 126,858 |  |  | $ | 106,569 |  |  |  |  |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130551-203045 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045 + Details
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