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Intangible Assets Including Goodwill (Tables) | 9 Months Ended
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Mar. 31, 2020
Finite-Lived Intangible Assets [Line Items] |
Schedule of Goodwill [Table Text Block] | 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, 2019 | $ | 24,830 |  |  | $ | 30,829 |  |  | $ | 16,736 |  |  | $ | 20,973 |  |  | $ | 93,368 |
Goodwill impairment | (24,900 | ) |  | — |  |  | — |  |  | (7,981 | ) |  | (32,881 | )
Translation adjustment(1) | 70 |  |  | — |  |  | (247 | ) |  | (33 | ) |  | (210 | )
Net balance at March 31, 2020 | $ | — |  |  | $ | 30,829 |  |  | $ | 16,489 |  |  | $ | 12,959 |  |  | $ | 60,277 |
(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.
Schedule Of Intangible Assets Excluding Goodwill Table [Text Block] | Information on the carrying value of other intangible assets is as follows:
|  |  | At March 31, 2020
| Useful Life |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
| (Years) |  | (In thousands)
Intellectual property | 10 to 15 |  | $ | 2,579 |  |  | $ | (1,912 | ) |  | $ | 667 |
Customer-based | 6 to 15 |  | 28,861 |  |  | (18,414 | ) |  | 10,447 |
Non-compete agreements | 4 |  | 1,453 |  |  | (1,453 | ) |  | — |
Total amortizing intangible assets |  |  | $ | 32,893 |  |  | $ | (21,779 | ) |  | $ | 11,114 |
|  |  | At June 30, 2019
| Useful Life |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
| (Years) |  | (In thousands)
Intellectual property | 10 to 15 |  | $ | 2,579 |  |  | $ | (1,779 | ) |  | $ | 800 |
Customer-based | 6 to 15 |  | 38,572 |  |  | (19,915 | ) |  | 18,657 |
Non-compete agreements | 4 |  | 1,453 |  |  | (1,438 | ) |  | 15 |
Total amortizing intangible assets |  |  | $ | 42,604 |  |  | $ | (23,132 | ) |  | $ | 19,472 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
Period ending: |
Remainder of Fiscal 2020 | $ | 772 |
Fiscal 2021 | 3,085 |
Fiscal 2022 | 2,266 |
Fiscal 2023 | 1,819 |
Fiscal 2024 | 1,506 |
Fiscal 2025 | 1,111 |
Thereafter | 555 |
Total estimated remaining amortization expense at March 31, 2020 | $ | 11,114 |

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