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Intangible Assets Including Goodwill (Notes)
3 Months Ended
Sep. 30, 2017
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, 2017
$
42,152

 
$
33,604

 
$
16,764

 
$
20,981

 
$
113,501

Translation adjustment (1)
234

 

 
81

 
44

 
359

Net balance at September 30, 2017
$
42,386

 
$
33,604

 
$
16,845

 
$
21,025

 
$
113,860

(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.

We performed our annual goodwill impairment test as of May 31, 2017, which resulted in no impairment. However, the aggregate difference between the fair values of our reporting units and their carrying amounts decreased significantly since the previous year's test as a result of market conditions at that time. The fair value of one reporting unit (carrying value of goodwill of $8.0 million) only exceeded its carrying amount by 9%. The valuation model for this reporting unit assumed the award of a significant project prior to the end of the second fiscal quarter, with project work to commence shortly thereafter. This project award was subsequently obtained during the first fiscal quarter of 2018, which resolved the previous contingency. In addition, operating results for the Company during the three months ended September 30, 2017, including updated forecasts for the remainder of the year, do not indicate the existence of any goodwill impairment. The Company will continue to monitor its operating results and forecasts for indicators of impairment and perform additional tests as needed.
Other Intangible Assets
Information on the carrying value of other intangible assets is as follows:
 
 
 
At September 30, 2017
  
Useful Life
 
Gross Carrying
Amount
 
Accumulated
Amortization
 
Net Carrying
Amount
 
(Years)
 
(In thousands)
Intellectual property
9 to 15
 
$
2,579

 
$
(1,469
)
 
$
1,110

Customer-based
1 to 15
 
38,376

 
(14,913
)
 
23,463

Non-compete agreements
4 to 5
 
1,453

 
(1,352
)
 
101

Trade names
1 to 3
 
1,630

 
(1,473
)
 
157

Total amortizing intangible assets
 
 
$
44,038

 
$
(19,207
)
 
$
24,831

 
 
 
 
At June 30, 2017
 
Useful Life
 
Gross Carrying
Amount
 
Accumulated
Amortization
 
Net Carrying
Amount
 
(Years)
 
(In thousands)
Intellectual property
9 to 15
 
$
2,579

 
$
(1,425
)
 
$
1,154

Customer-based
1 to 15
 
38,207

 
(13,543
)
 
24,664

Non-compete agreements
4 to 5
 
1,453

 
(1,298
)
 
155

Trade names
1 to 3
 
1,630

 
(1,307
)
 
323

Total amortizing intangible assets
 
 
$
43,869

 
$
(17,573
)
 
$
26,296



Amortization expense totaled $1.6 million and $0.8 million during the three months ended September 30, 2017 and September 30, 2016, respectively.

We estimate that the remaining amortization expense related to September 30, 2017 amortizing intangible assets will be as follows (in thousands):
Period ending:
 
Remainder of Fiscal 2018
$
4,092

Fiscal 2019
3,522

Fiscal 2020
3,505

Fiscal 2021
3,445

Fiscal 2022
2,337

Fiscal 2023
2,045

Thereafter
5,885

Total estimated remaining amortization expense at September 30, 2017
$
24,831