| Goodwill |
A summary of the carrying amount of goodwill attributable to each segment, as well as the changes in such, is as follows: | | | | | | | | | | | | | | | | | | | (in thousands) | Metal Cutting | | Infrastructure | | Total | | Gross goodwill | $ | 449,228 | | | $ | 633,211 | | | $ | 1,082,439 | | | Accumulated impairment losses | (177,661) | | | (633,211) | | | (810,872) | | | Balance as of June 30, 2024 | $ | 271,567 | | | $ | — | | | $ | 271,567 | | | | | | | | | Activity for the year ended June 30, 2025: | | | | | | | | | | | | | | | | | | | Change in gross goodwill due to translation | 11,159 | | | — | | | 11,159 | | | | | | | | | | | | | | | Gross goodwill | 460,387 | | | 633,211 | | | 1,093,598 | | | Accumulated impairment losses | (177,661) | | | (633,211) | | | (810,872) | | | Balance as of June 30, 2025 | $ | 282,726 | | | $ | — | | | $ | 282,726 | | | | | | | | | Activity for the year ended June 30, 2026: | | | | | | | | | | | | | Change in gross goodwill due to translation | (3,513) | | | — | | | (3,513) | | | | | | | | | | | | | | | | | | | | | Gross goodwill | 456,874 | | | 633,211 | | | 1,090,085 | | | Accumulated impairment losses | (177,661) | | | (633,211) | | | (810,872) | | | Balance as of June 30, 2026 | $ | 279,213 | | | $ | — | | | $ | 279,213 | |
|
| Components of Other Intangible Assets |
The components of our other intangible assets were as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Estimated Useful Life (in years) | | June 30, 2026 | | | June 30, 2025 | | (in thousands) | | Gross Carrying Amount | | Accumulated Amortization | | | Gross Carrying Amount | | Accumulated Amortization | | Technology-based and other | 4 to 20 | | $ | 27,800 | | | $ | (23,805) | | | | $ | 32,699 | | | $ | (26,243) | | | Customer-related | 10 to 21 | | 159,836 | | | (117,352) | | | | 159,722 | | | (111,184) | | | Unpatented technology | 10 to 30 | | 26,586 | | | (25,852) | | | | 26,373 | | | (24,281) | | | Trademarks | 5 to 20 | | 23,542 | | | (14,869) | | | | 23,917 | | | (13,793) | | | | | | | | | | | | | | Total | | | $ | 237,764 | | | $ | (181,878) | | | | $ | 242,711 | | | $ | (175,501) | |
|