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Goodwill and Other Intangible Assets
 12 Months Ended
Jun. 30, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Other Intangible Assets
Goodwill and Other Intangible Assets
Goodwill
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


(1)
A $25.0 million impairment charge was recorded in February 2005.
(2)
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.
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


The increase in the gross carrying amount of other intangible assets at June 30, 2016 compared to June 30, 2015 is due primarily to the February 1, 2016 acquisition of BTE (Note 2). The BTE intangible assets consist of the following amortizing assets:
•
customer-based intangibles with a fair value of $0.5 million and useful life of between 4 months and 10 years;
•
intellectual property intangibles with a fair value of $0.1 million and useful life of 10 years; and
•
non-compete agreement intangibles with a fair value of $0.1 million and useful life of 4 years.
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