Intangible Assets Including Goodwill (Tables)

9 Months Ended

Mar. 31, 2018

Finite-Lived Intangible Assets [Line Items]

Carrying Value of Goodwill by Segment

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, 2017	$	42,152	$	33,604	$	16,764	$	20,981	$	113,501
Translation adjustment (1)	30		—		78		6		114
Net balance at March 31, 2018	$	42,182	$	33,604	$	16,842	$	20,987	$	113,615

(1) 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.

Carrying Value of Other Intangible Assets

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

		At March 31, 2018
	Useful Life	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
	(Years)	(In thousands)
Intellectual property	10 to 15	$	2,579	$	(1,559	)	$	1,020
Customer-based	6 to 15	40,229		(16,857		)	23,372
Non-compete agreements	4	1,453		(1,407		)	46
Trade names	—	1,630		(1,630		)	—
Total amortizing intangible assets		$	45,891	$	(21,453	)	$	24,438

		At June 30, 2017
	Useful Life	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
	(Years)	(In thousands)
Intellectual property	9 to 15	$	2,579	$	(1,425	)	$	1,154
Customer-based	1 to 15	38,207		(13,543		)	24,664
Non-compete agreements	4 to 5	1,453		(1,298		)	155
Trade names	1 to 3	1,630		(1,307		)	323
Total amortizing intangible assets		$	43,869	$	(17,573	)	$	26,296

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Period ending:
Remainder of Fiscal 2018	$	972
Fiscal 2019	3,837
Fiscal 2020	3,814
Fiscal 2021	3,808
Fiscal 2022	2,952
Fiscal 2023	2,418
Thereafter	6,637
Total estimated remaining amortization expense at March 31, 2018	$	24,438