Revenue (Tables)

9 Months Ended

Jun. 30, 2020

Revenue from Contract with Customer [Abstract]

Summary of Contract Asset and Liabilities

Contract assets and liabilities as of June 30, 2020 and September 30, 2019 are summarized below (in thousands):

	June 30, 2020			September 30, 2019
Contract assets	$	51,723		$	55,374
Contract liabilities	(97,969		)	(71,464		)
Net contract liability	$	(46,246	)	$	(16,090	)

Disaggregation of Revenue

The following tables present our disaggregated revenue by geographic destination and market sector for the three and nine months ended June 30, 2020 and 2019 (in thousands):

	Three months ended June 30,				Nine months ended June 30,
	2020		2019		2020		2019
United States	$	89,499	$	99,745	$	318,009	$	292,049
Canada	16,970		20,206		46,831		45,015
Europe, Middle East and Africa	6,422		9,659		25,404		20,608
Asia/Pacific	4,643		4,682		11,784		9,155
Mexico, Central and South America	528		1,296		1,753		1,849
Total revenues by geographic destination	$	118,062	$	135,588	$	403,781	$	368,676

	Three months ended June 30,				Nine months ended June 30,
	2020		2019		2020		2019
Oil and gas	$	45,851	$	62,356	$	157,798	$	167,954
Petrochemical	29,293		21,086		107,057		63,387
Electric utility	16,725		26,425		63,994		66,066
Traction power	9,122		7,423		31,417		18,457
All others	17,071		18,298		43,515		52,812
Total revenues by market sector	$	118,062	$	135,588	$	403,781	$	368,676