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Revenue (Tables)

12 Months Ended

Sep. 30, 2022

Revenue from Contract with Customer [Abstract]

Contract Assets and Liabilities

Contract assets and liabilities as of September 30, 2022 and September 30, 2021 are summarized below (in thousands):

			September 30,
			2022						2021
Contract assets			$	88,351					$	54,199
Contract liabilities			(79,857)						(42,433)
Net contract asset			$	8,494					$	11,766

Disaggregation of Revenue

The following tables present our disaggregated revenue by geographic destination and market sector for the years ended September 30, 2022 and September 30, 2021 (in thousands):

			2022						2021
United States			$	404,973					$	351,422
Canada			81,218						68,655
Europe, Middle East and Africa			38,411						39,642
Asia/Pacific			4,885						8,889
Mexico, Central and South America			3,095						1,951
Total revenues by geographic destination			$	532,582					$	470,559

			2022						2021
Oil and gas (excludes petrochemical)			$	215,235					$	187,660
Petrochemical			66,538						58,986
Electric utility			122,361						111,244
Traction power			44,930						59,106
Commercial and other industrial			56,448						27,065
All others			27,070						26,498
Total revenues by market sector			$	532,582					$	470,559

X

- 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

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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

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