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Intangible Assets Including Goodwill (Tables) | 9 Months Ended
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Mar. 31, 2017
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, 2016 | $ | 42,170 |  |  | $ | 14,008 |  |  | $ | 16,681 |  |  | $ | 5,434 |  |  | $ | 78,293 |
Purchase of Houston Interests (Note 2) | — |  |  | 28,739 |  |  | — |  |  | 6,309 |  |  | 35,048 |
Purchase price adjustment for BTE (Note 2) | — |  |  | — |  |  | 88 |  |  | — |  |  | 88 |
Translation adjustment (1) | (175 | ) |  | — |  |  | (39 | ) |  | (33 | ) |  | (247 | )
Net balance at March 31, 2017 | $ | 41,995 |  |  | $ | 42,747 |  |  | $ | 16,730 |  |  | $ | 11,710 |  |  | $ | 113,182 |
(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.
Carrying Value of Other Intangible Assets | Information on the carrying value of other intangible assets is as follows:
|  |  | At March 31, 2017
| Useful Life |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
| (Years) |  | (In thousands)
Intellectual property | 9 to 15 |  | $ | 2,579 |  |  | $ | (1,380 | ) |  | $ | 1,199 |
Customer-based | 1 to 15 |  | 38,094 |  |  | (12,209 | ) |  | 25,885 |
Non-compete agreements | 4 to 5 |  | 1,453 |  |  | (1,245 | ) |  | 208 |
Trade names | 1 to 3 |  | 1,795 |  |  | (1,306 | ) |  | 489 |
Total amortizing intangible assets |  |  | $ | 43,921 |  |  | $ | (16,140 | ) |  | $ | 27,781 |
|  |  | 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 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
Period ending: |
Remainder of Fiscal 2017 | $ | 1,543 |
Fiscal 2018 | 4,728 |
Fiscal 2019 | 3,487 |
Fiscal 2020 | 3,477 |
Fiscal 2021 | 3,459 |
Fiscal 2022 | 2,616 |
Thereafter | 8,471 |
Total estimated remaining amortization expense at March 31, 2017 | $ | 27,781 |

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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