Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Jun. 30, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Carrying value of goodwill by segment

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	(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	(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	(1,044		)	—			(363		)	(196		)	(1,603		)
Net balance at June 30, 2015	$	42,374		$	14,008		$	9,664		$	5,472		$	71,518

Carrying value of other intangible assets

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

		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 names	3 to 5	1,615		(308		)	1,307
Total amortizing intangibles		33,266		(9,305		)	23,961

		At June 30, 2014
	Useful Life	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
	(Years)	(In thousands)
Intellectual property	6 to 15	$	2,460	$	(920	)	$	1,540
Customer based	1.5 to 15	27,662		(2,949		)	24,713
Non-compete agreements	3 to 5	1,312		(471		)	841
Trade name	5	165		(33		)	132
Total amortizing intangibles		31,599		(4,373		)	27,226
Trade name	Indefinite	1,450		—			1,450
Total intangible assets		$	33,049	$	(4,373	)	$	28,676

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Amortization expense totaled $5.0 million, $2.8 million, and $0.4 million in fiscal 2015, 2014, and 2013, respectively. We estimate that future amortization of other intangible assets will be as follows (in thousands):

For year ending:
June 30, 2016	$	3,334
June 30, 2017	3,250
June 30, 2018	2,909
June 30, 2019	2,543
June 30, 2020	2,543
Thereafter	9,382
Total estimated amortization expense	$	23,961