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Revenue (Tables) | 12 Months Ended
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Sep. 30, 2020
Revenue from Contract with Customer [Abstract] |
Contract Assets and Liabilities | Contract assets and liabilities as of September 30, 2020 and September 30, 2019 are summarized below (in thousands):
| September 30,
| 2020 |  | 2019
Contract assets | $ | 50,995 |  |  | $ | 55,374 |
Contract liabilities | (79,445) |  |  | (71,464) |
Net contract liability | $ | (28,450) |  |  | $ | (16,090) |
Disaggregation of Revenue | The following tables present our disaggregated revenue by geographic destination and market sector for the years ended September 30, 2020 and September 30, 2019 (in thousands):
| 2020 |  | 2019
United States | $ | 397,983 |  |  | $ | 406,609 |
Canada | 66,064 |  |  | 64,326 |
Europe, Middle East and Africa | 34,028 |  |  | 32,166 |
Asia/Pacific | 18,079 |  |  | 11,405 |
Mexico, Central and South America | 2,345 |  |  | 2,674 |
Total revenues by geographic destination | $ | 518,499 |  |  | $ | 517,180 |
| 2020 |  | 2019
Oil and gas | $ | 195,209 |  |  | $ | 242,291 |
Petrochemical | 126,698 |  |  | 93,391 |
Electric utility | 88,818 |  |  | 84,993 |
Traction power | 42,373 |  |  | 26,781 |
All others | 65,401 |  |  | 69,724 |
Total revenues by market sector | $ | 518,499 |  |  | $ | 517,180 |

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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 http://asc.fasb.org/extlink&oid=121604090&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 http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045 + Details
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