Intangible Assets Including Goodwill (Tables)

The changes in the carrying value of goodwill by segment are as follows:



	Electrical Infrastructure			Oil Gas & Chemical		Storage Solutions			Industrial			Total
	(In thousands)
Net balance at June 30, 2019	$	24,830		$	30,829	$	16,736		$	20,973		$	93,368
Translation adjustment⁽¹⁾	(13		)	—		(53		)	(2		)	(68		)
Net balance at September 30, 2019	$	24,817		$	30,829	$	16,683		$	20,971		$	93,300

The translation adjustments relate to the periodic translation of Canadian Dollar and South Korean Won denominated goodwill recorded as a part of prior acquisitions in Canada and South Korea, in which the local currency was determined to be the functional currency.

Information on the carrying value of other intangible assets is as follows:



		At September 30, 2019
	Useful Life	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
	(Years)	(In thousands)
Intellectual property	10 to 15	$	2,579	$	(1,823	)	$	756
Customer-based	6 to 15	38,525		(20,773		)	17,752
Non-compete agreements	4	1,453		(1,445		)	8
Total amortizing intangible assets		$	42,557	$	(24,041	)	$	18,516



		At June 30, 2019
	Useful Life	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
	(Years)	(In thousands)
Intellectual property	10 to 15	$	2,579	$	(1,779	)	$	800
Customer-based	6 to 15	38,572		(19,915		)	18,657
Non-compete agreements	4	1,453		(1,438		)	15
Total amortizing intangible assets		$	42,604	$	(23,132	)	$	19,472



Period ending:
Remainder of Fiscal 2020	$	2,819
Fiscal 2021	3,743
Fiscal 2022	2,899
Fiscal 2023	2,447
Fiscal 2024	2,134
Fiscal 2025	1,739
Thereafter	2,735
Total estimated remaining amortization expense at September 30, 2019	$	18,516