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Property, Plant, and Equipment | 6 Months Ended
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Dec. 31, 2022
Property, Plant and Equipment [Abstract] |
Property, Plant and Equipment Disclosure [Text Block] | Property, Plant and Equipment The following table presents the components of our property, plant and equipment - net at December 31, 2022 and June 30, 2022:
|  | December 31, 2022 |  | June 30, 2022
|  | (In thousands)
Property, plant and equipment - at cost: |  |  |  |
Land and buildings |  | $ | 36,391 |  |  | $ | 34,788 |
Construction equipment |  | 91,954 |  |  | 93,036 |
Transportation equipment |  | 48,908 |  |  | 48,999 |
Office equipment and software |  | 41,984 |  |  | 43,823 |
Construction in progress |  | 828 |  |  | 1,646 |
Total property, plant and equipment - at cost |  | 220,065 |  |  | 222,292 |
Accumulated depreciation |  | (169,381) |  |  | (168,423) |
Property, plant and equipment - net |  | $ | 50,684 |  |  | $ | 53,869 |

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=126982197&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI https://asc.fasb.org/topic&trid=2155823 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=126982197&loc=SL120174063-112916 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 1 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126982197&loc=d3e99779-112916 + Details
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