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Goodwill and Other Intangible Assets (Tables) | 6 Months Ended
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Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract] |
The carrying amount of goodwill | A summary of the carrying amount of goodwill attributable to each segment, as well as the changes in such carrying amounts, is as follows:
(in thousands) | Metal Cutting |  | Infrastructure |  | Total
Gross goodwill | $ | 441,891 |  |  | $ | 633,211 |  |  | $ | 1,075,102 |
Accumulated impairment losses | (177,661) |  |  | (633,211) |  |  | (810,872) |
Balance as of June 30, 2022 | $ | 264,230 |  |  | $ | — |  |  | $ | 264,230 |
Activity for the six months ended December 31, 2022: |  |  |  |  |
Change in gross goodwill due to translation | 2,403 |  |  | — |  |  | 2,403 |
Gross goodwill | 444,294 |  |  | 633,211 |  |  | 1,077,505 |
Accumulated impairment losses | (177,661) |  |  | (633,211) |  |  | (810,872) |
Balance as of December 31, 2022 | $ | 266,633 |  |  | $ | — |  |  | $ | 266,633 |
The components of intangible assets | The components of our other intangible assets were as follows:
| Estimated Useful Life (in years) |  | December 31, 2022 | June 30, 2022
(in thousands) |  | Gross Carrying Amount |  | Accumulated Amortization |  |  | Gross Carrying Amount |  | Accumulated Amortization
Technology-based and other | 4 to 20 |  | $ | 31,792 |  |  | $ | (23,324) |  |  |  | $ | 31,592 |  |  | $ | (22,734) |
Customer-related | 10 to 21 |  | 180,105 |  |  | (108,815) |  |  |  | 180,263 |  |  | (104,698) |
Unpatented technology | 10 to 30 |  | 31,687 |  |  | (24,098) |  |  |  | 31,807 |  |  | (22,950) |
Trademarks | 5 to 20 |  | 12,418 |  |  | (10,883) |  |  |  | 12,403 |  |  | (10,317) |
Trademarks | Indefinite |  | 10,614 |  |  | — |  |  |  | 10,359 |  |  | — |
Total |  |  | $ | 266,616 |  |  | $ | (167,120) |  |  |  | $ | 266,424 |  |  | $ | (160,699) |

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