Intangible Assets Including Goodwill (Tables)

6 Months Ended

Dec. 31, 2017

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)	184		—		126		34		344
Net balance at December 31, 2017	$	42,336	$	33,604	$	16,890	$	21,015	$	113,845

(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 December 31, 2017
	Useful Life	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
	(Years)	(In thousands)
Intellectual property	9 to 15	$	2,579	$	(1,514	)	$	1,065
Customer-based	6 to 15	40,339		(16,092		)	24,247
Non-compete agreements	4	1,453		(1,401		)	52
Trade names	—	1,630		(1,630		)	—
Total amortizing intangible assets		$	46,001	$	(20,637	)	$	25,364

		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	$	1,932
Fiscal 2019	3,851
Fiscal 2020	3,834
Fiscal 2021	3,822
Fiscal 2022	2,954
Fiscal 2023	2,418
Thereafter	6,553
Total estimated remaining amortization expense at December 31, 2017	$	25,364