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Intangible Assets Including Goodwill (Tables) | 3 Months Ended
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Sep. 30, 2018
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)
Net balance at June 30, 2018 | $ | 24,826 |  |  | $ | 33,604 |  |  | $ | 16,760 |  |  | $ | 20,972 |  |  | $ | 96,162 |
Disposal of business(1) | — |  |  | (2,775 | ) |  | — |  |  | — |  |  | (2,775 | )
Translation adjustment(2) | 21 |  |  | — |  |  | 39 |  |  | 4 |  |  | 64 |
Net balance at September 30, 2018 | $ | 24,847 |  |  | $ | 30,829 |  |  | $ | 16,799 |  |  | $ | 20,976 |  |  | $ | 93,451 |
(1) | The Company disposed of a business that marketed process heating equipment. See Note 3 - Disposals for more information about the disposal. The business disposed of constituted its own reporting unit and the amount of goodwill written off was all of the goodwill assigned to that reporting unit. None of the goodwill was considered impaired since the Company recorded a gain on the disposal.
(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 September 30, 2018
| Useful Life |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
| (Years) |  | (In thousands)
Intellectual property | 10 to 15 |  | $ | 2,579 |  |  | $ | (1,647 | ) |  | $ | 932 |
Customer-based | 6 to 15 |  | 38,632 |  |  | (17,590 | ) |  | 21,042 |
Non-compete agreements | 4 |  | 1,453 |  |  | (1,420 | ) |  | 33 |
Total amortizing intangible assets |  |  | $ | 42,664 |  |  | $ | (20,657 | ) |  | $ | 22,007 |
|  |  | At June 30, 2018
| Useful Life |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
| (Years) |  | (In thousands)
Intellectual property | 9 to 15 |  | $ | 2,579 |  |  | $ | (1,603 | ) |  | $ | 976 |
Customer-based | 6 to 15 |  | 38,562 |  |  | (16,763 | ) |  | 21,799 |
Non-compete agreements | 4 |  | 1,453 |  |  | (1,414 | ) |  | 39 |
Total amortizing intangible assets |  |  | $ | 42,594 |  |  | $ | (19,780 | ) |  | $ | 22,814 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
Period ending: |
Remainder of Fiscal 2019 | $ | 2,872 |
Fiscal 2020 | 3,697 |
Fiscal 2021 | 3,678 |
Fiscal 2022 | 2,823 |
Fiscal 2023 | 2,369 |
Fiscal 2024 | 2,094 |
Thereafter | 4,474 |
Total estimated remaining amortization expense at September 30, 2018 | $ | 22,007 |

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