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Intangible Assets Including Goodwill (Tables) | 6 Months Ended
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Dec. 31, 2022
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:
| Utility and Power Infrastructure |  | Process and Industrial Facilities |  | Storage and Terminal Solutions |  | Total
| (In thousands)
Net balance at June 30, 2022 | $ | 4,263 |  |  | $ | 18,427 |  |  | $ | 19,445 |  |  | $ | 42,135 |
Goodwill impairment | — |  |  | (12,316) |  |  | — |  |  | (12,316) |
Translation adjustment(1) | (29) |  |  | — |  |  | (57) |  |  | (86) |
Net balance at December 31, 2022 | $ | 4,234 |  |  | $ | 6,111 |  |  | $ | 19,388 |  |  | $ | 29,733 |
(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 December 31, 2022
| Useful Life |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
| (Years) |  | (In thousands)
Intellectual property | 10 to 15 |  | $ | 2,483 |  |  | $ | (2,286) |  |  | $ | 197 |
Customer-based(1) | 6 to 15 |  | 13,144 |  |  | (9,410) |  |  | 3,734 |
Total amortizing intangible assets |  |  | $ | 15,627 |  |  | $ | (11,696) |  |  | $ | 3,931 |
(1)Customer-based intangible assets have been adjusted in fiscal 2023 to remove $4.2 million of customer relationships that have been fully amortized.
|  |  | At June 30, 2022
| Useful Life |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
| (Years) |  | (In thousands)
Intellectual property | 10 to 15 |  | $ | 2,558 |  |  | $ | (2,276) |  |  | $ | 282 |
Customer-based | 6 to 15 |  | 17,331 |  |  | (12,817) |  |  | 4,514 |
Total amortizing intangible assets |  |  | $ | 19,889 |  |  | $ | (15,093) |  |  | $ | 4,796 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] | We estimate that the remaining amortization expense related to December 31, 2022 amortizing intangible assets will be as follows (in thousands):
Period ending: |
Remainder of Fiscal 2023 | $ | 864 |
Fiscal 2024 | 1,416 |
Fiscal 2025 | 1,096 |
Fiscal 2026 | 555 |
Total estimated remaining amortization expense at December 31, 2022 | $ | 3,931 |

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