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Intangible Assets Including Goodwill (Notes)
6 Months Ended
Dec. 31, 2015
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets Including Goodwill
Intangible Assets Including Goodwill
Goodwill
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

Translation adjustment (2)
(595
)
 

 
(206
)
 
(112
)
 
(913
)
Net balance at December 31, 2015
$
41,779

 
$
14,008

 
$
9,458

 
$
5,360

 
$
70,605

 
(1)
A $25.0 million impairment charge was recorded in February 2005.
(2)
The translation adjustments relate to the periodic translation of Canadian Dollar denominated goodwill recorded as a part of prior Canadian acquisitions.
Other Intangible Assets
Information on the carrying value of other intangible assets is as follows:
 
 
 
 
At December 31, 2015
  
Useful Life
 
Gross Carrying
Amount
 
Accumulated
Amortization
 
Net Carrying
Amount
 
(Years)
 
(In thousands)
Intellectual property
6 to 15
 
$
2,460

 
$
(1,170
)
 
$
1,290

Customer based
1.5 to 15
 
27,408

 
(8,169
)
 
19,239

Non-compete agreements
4 to 5
 
1,354

 
(947
)
 
407

Trade names
3 to 5
 
1,615

 
(565
)
 
1,050

Total amortizing intangible assets
 
 
$
32,837

 
$
(10,851
)
 
$
21,986

 
 
 
 
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







Amortization expense totaled $1.6 million in the six months ended December 31, 2015 and $2.4 million in the six months ended December 31, 2014. We estimate that the remaining amortization expense at December 31, 2015 will be as follows (in thousands):
Period ending:
 
Remainder of Fiscal 2016
$
1,632

Fiscal 2017
3,197

Fiscal 2018
2,856

Fiscal 2019
2,490

Fiscal 2020
2,490

Fiscal 2021
2,486

Thereafter
6,835

Total estimated remaining amortization expense at December 31, 2015
$
21,986