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Intangible Assets Including Goodwill (Tables)
 9 Months Ended
Mar. 31, 2016
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)
Goodwill
$
60,027

 
$
17,008

 
$
10,586

 
$
8,897

 
$
96,518

Cumulative impairment loss (1)
(17,653
)
 
(3,000
)
 
(922
)
 
(3,425
)
 
(25,000
)
Net balance at June 30, 2015
42,374

 
14,008

 
9,664

 
5,472

 
71,518

Purchase of BTE (Note 2)
—

 
—

 
7,618

 
—

 
7,618

Translation adjustment (2)
(240
)
 
—

 
(6
)
 
(45
)
 
(291
)
Net balance at March 31, 2016
$
42,134

 
$
14,008

 
$
17,276

 
$
5,427

 
$
78,845

(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.
Carrying Value of Other Intangible Assets
Information on the carrying value of other intangible assets is as follows:
 
 
 
At March 31, 2016
  
Useful Life
 
Gross Carrying
Amount
 
Accumulated
Amortization
 
Net Carrying
Amount
 
(Years)
 
(In thousands)
Intellectual property
6 to 15
 
$
2,579

 
$
(1,202
)
 
$
1,377

Customer-based
0.3 to 15
 
28,154

 
(8,945
)
 
19,209

Non-compete agreements
4 to 5
 
1,453

 
(1,023
)
 
430

Trade names
3 to 5
 
1,615

 
(695
)
 
920

Total amortizing intangible assets
 
 
$
33,801

 
$
(11,865
)
 
$
21,936

 
 
 
 
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 intangible assets
 
 
$
33,266

 
$
(9,305
)
 
$
23,961
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Period ending:
 
Remainder of Fiscal 2016
$
937

Fiscal 2017
3,294

Fiscal 2018
2,954

Fiscal 2019
2,587

Fiscal 2020
2,577

Fiscal 2021
2,559

Thereafter
7,028

Total estimated remaining amortization expense at March 31, 2016
$
21,936