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Intangible Assets Including Goodwill (Notes)
6 Months Ended
Dec. 31, 2016
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)
Net balance at June 30, 2016
$
42,170

 
$
14,008

 
$
16,681

 
$
5,434

 
$
78,293

Purchase of Houston Interests (Note 2)

 
28,723

 

 
6,305

 
35,028

Purchase price adjustment for BTE (Note 2)

 

 
88

 

 
88

Translation adjustment (1)
(227
)
 

 
(121
)
 
(42
)
 
(390
)
Net balance at December 31, 2016
$
41,943

 
$
42,731

 
$
16,648

 
$
11,697

 
$
113,019

(1)
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.
The Company performed its annual goodwill impairment test as of May 31, 2016, which did not indicate the existence of any impairment at that time. While the operating results for the Oil Gas & Chemical and Industrial segments indicated a loss for the three and six months ended December 31, 2016, the Company does not consider these results to be a triggering event requiring the performance of an interim goodwill impairment test since the fundamentals of the industries driving these segments has not significantly deteriorated since the annual test was performed. The Company continues to consider these segments as core to its business and believes current operating results are not indicative of future performance. The Company will continue to monitor its operating results for indicators of impairment and perform additional tests as necessary.
Other Intangible Assets
Information on the carrying value of other intangible assets is as follows:
 
 
 
At December 31, 2016
  
Useful Life
 
Gross Carrying
Amount
 
Accumulated
Amortization
 
Net Carrying
Amount
 
(Years)
 
(In thousands)
Intellectual property
9 to 15
 
$
2,579

 
$
(1,336
)
 
$
1,243

Customer-based
1 to 15
 
38,057

 
(10,914
)
 
27,143

Non-compete agreements
4 to 5
 
1,453

 
(1,192
)
 
261

Trade names
1 to 5
 
1,795

 
(1,091
)
 
704

Total amortizing intangible assets
 
 
$
43,884

 
$
(14,533
)
 
$
29,351

 
 
 
 
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 amortizing intangible assets
 
 
$
33,826

 
$
(12,827
)
 
$
20,999


The increase in the gross carrying amount of other intangible assets at December 31, 2016 compared to June 30, 2016 is primarily due to the December 12, 2016 acquisition of Houston Interests (See Note 2). The specifically identifiable intangible assets recognized in the Houston Interests acquisition consist of:
customer-based intangibles with a fair value of $10.0 million and useful life of between 1 and 9 years; and
trade name with a fair value of $0.2 million and useful life of 1 year.

Amortization expense totaled $1.0 million and $1.8 million during the three and six months ended December 31, 2016, respectively, and $0.8 million and $1.6 million during the three and six months ended December 31, 2015, respectively. The Company recognized $0.1 million of amortization expense during the three and six months ended December 31, 2016 for intangible assets recorded as part of the Houston Interests acquisition.

We estimate that the remaining amortization expense at December 31, 2016 will be as follows (in thousands):
Period ending:
 
Remainder of Fiscal 2017
$
3,100

Fiscal 2018
4,757

Fiscal 2019
3,482

Fiscal 2020
3,472

Fiscal 2021
3,454

Fiscal 2022
2,615

Thereafter
8,471

Total estimated remaining amortization expense at December 31, 2016
$
29,351