XML 37 R24.htm IDEA: XBRL DOCUMENT
v3.22.1

Intangible Assets Including Goodwill (Tables) | 9 Months Ended
--- | ---
Mar. 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, 2021 | $ | 6,984 |  |  | $ | 26,878 |  |  | $ | 26,774 |  |  | $ | 60,636 |
Goodwill impairment | (2,659) |  |  | (8,445) |  |  | (7,208) |  |  | (18,312) |
Translation adjustment(1) | (27) |  |  | (6) |  |  | (51) |  |  | (84) |
Net balance at March 31, 2022 | $ | 4,298 |  |  | $ | 18,427 |  |  | $ | 19,515 |  |  | $ | 42,240 |
(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, 2022
| Useful Life |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
| (Years) |  | (In thousands)
Intellectual property | 10 to 15 |  | $ | 2,483 |  |  | $ | (2,159) |  |  | $ | 324 |
Customer-based | 6 to 15 |  | 17,274 |  |  | (12,370) |  |  | 4,904 |
Total amortizing intangible assets |  |  | $ | 19,757 |  |  | $ | (14,529) |  |  | $ | 5,228 |
|  |  | At June 30, 2021
| Useful Life |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
| (Years) |  | (In thousands)
Intellectual property | 10 to 15 |  | $ | 2,483 |  |  | $ | (2,031) |  |  | $ | 452 |
Customer-based | 6 to 15 |  | 17,354 |  |  | (11,192) |  |  | 6,162 |
Total amortizing intangible assets |  |  | $ | 19,837 |  |  | $ | (13,223) |  |  | $ | 6,614 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] | We estimate that the remaining amortization expense related to March 31, 2022 amortizing intangible assets will be as follows (in thousands):
Period ending: |
Remainder of Fiscal 2022 | $ | 432 |
Fiscal 2023 | 1,729 |
Fiscal 2024 | 1,416 |
Fiscal 2025 | 1,096 |
Fiscal 2026 | 555 |
Total estimated remaining amortization expense at March 31, 2022 | $ | 5,228 |

X
- Definition Schedule of intangible assets excluding goodwill. + References No definition available. + Details
Name: | mtrx_ScheduleOfIntangibleAssetsExcludingGoodwillTableTextBlock
Namespace Prefix: | mtrx_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267 + Details
Name: | us-gaap_ScheduleOfGoodwillTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration