Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Jun. 30, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

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



	Electrical Infrastructure			Oil Gas & Chemical			Storage Solutions			Industrial			Total
	(In thousands)
Goodwill	$	29,666		$	8,088		$	10,985		$	7,097		$	55,836
Cumulative impairment loss (1)	(17,653		)	(3,000		)	(922		)	(3,425		)	(25,000		)
Net balance at June 30, 2013	12,013			5,088			10,063			3,672			30,836
Purchase of Kvaerner North American Construction (Note 2)	31,259			5,855			—			1,962			39,076
Translation adjustment (2)	(29		)	—			(36		)	(10		)	(75		)
Net balance at June 30, 2014	43,243			10,943			10,027			5,624			69,837
Acquisition related adjustments	175			—			—			44			219
Purchase of HDB (Note 2)	—			3,065			—			—			3,065
Translation adjustment (2)	(1,044		)	—			(363		)	(196		)	(1,603		)
Net balance at June 30, 2015	42,374			14,008			9,664			5,472			71,518
Purchase of BTE (Note 2)	—			—			6,942			—			6,942
Translation adjustment (2)	(204		)	—			75			(38		)	(167		)
Net balance at June 30, 2016	$	42,170		$	14,008		$	16,681		$	5,434		$	78,293

Carrying value of other intangible assets

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



		At June 30, 2016
	Useful Life	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
	(Years)	(In thousands)
Intellectual property	9 to 15	$	2,579	$	(1,246	)	$	1,333
Customer based	1.5 to 15	28,179		(9,655		)	18,524
Non-compete Agreements	4 to 5	1,453		(1,102		)	351
Trade names	3 to 5	1,615		(824		)	791
Total other intangible assets		$	33,826	$	(12,827	)	$	20,999



		At June 30, 2015
	Useful Life	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
	(Years)	(In thousands)
Intellectual property	6 to 15	$	2,460	$	(1,086	)	$	1,374
Customer based	1.5 to 15	27,837		(7,109		)	20,728
Non-compete agreements	4 to 5	1,354		(802		)	552
Trade name	3 to 5	1,615		(308		)	1,307
Total other intangible assets		$	33,266	$	(9,305	)	$	23,961

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Amortization expense totaled $3.6 million, $5.0 million, and $2.8 million in fiscal 2016, 2015, and 2014, respectively. We estimate that future amortization of other intangible assets will be as follows (in thousands):



For year ending:
June 30, 2017	$	3,298
June 30, 2018	2,957
June 30, 2019	2,590
June 30, 2020	2,580
June 30, 2021	2,562
Thereafter	7,012
Total estimated amortization expense	$	20,999