Revenue (Tables)

12 Months Ended

Sep. 30, 2019

Revenue from Contract with Customer [Abstract]

Contract Assets and Liabilities

Contract assets and liabilities as of September 30, 2019 and September 30, 2018 are summarized below (in thousands):

	September 30,
	2019			2018
Contract assets	$	55,374		$	82,545
Contract liabilities	(71,464		)	(43,174		)
Net contract asset (liability)	$	(16,090	)	$	39,371

Disaggregation of Revenue

The following tables present our disaggregated revenue by geographic destination and market sector for the year ended September 30, 2019 (in thousands):

	2019
United States	$	406,609
Canada	64,326
Europe, Middle East and Africa	32,166
Asia/Pacific	11,405
Mexico, Central and South America	2,674
Total revenues by geographic destination	$	517,180

	2019
Oil and gas	$	242,291
Petrochemical	93,391
Electric utility	84,993
Traction power	26,781
All others	69,724
Total revenues by market sector	$	517,180