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Goodwill and Other Intangible Assets Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Jun. 30, 2021
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill [Table Text Block] | 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 | $ | 450,853 |  |  | $ | 633,211 |  |  | $ | 1,084,064 |
Accumulated impairment losses | (150,842) |  |  | (633,211) |  |  | (784,053) |
Balance as of June 30, 2019 | $ | 300,011 |  |  | $ | — |  |  | $ | 300,011 |
Activity for the year ended June 30, 2020: |  |  |  |  |
Change in gross goodwill due to translation | (2,612) |  |  | — |  |  | (2,612) |
Impairment charges | (26,819) |  |  | — |  |  | (26,819) |
Gross goodwill | 448,241 |  |  | 633,211 |  |  | 1,081,452 |
Accumulated impairment losses | (177,661) |  |  | (633,211) |  |  | (810,872) |
Balance as of June 30, 2020 | $ | 270,580 |  |  | $ | — |  |  | $ | 270,580 |
Activity for the year ended June 30, 2021: |  |  |  |  |
Change in gross goodwill due to translation | 7,035 |  |  | — |  |  | 7,035 |
Gross goodwill | 455,276 |  |  | 633,211 |  |  | 1,088,487 |
Accumulated impairment losses | (177,661) |  |  | (633,211) |  |  | (810,872) |
Balance as of June 30, 2021 | $ | 277,615 |  |  | $ | — |  |  | $ | 277,615 |
Components of Other Intangible Assets [Table Text Block] | The components of our other intangible assets were as follows:
| Estimated Useful Life (in years) |  | June 30, 2021 |  |  | June 30, 2020
(in thousands) |  | Gross Carrying Amount |  | Accumulated Amortization |  |  | Gross Carrying Amount |  | Accumulated Amortization
Technology-based and other | 4 to 20 |  | $ | 33,632 |  |  | $ | (24,413) |  |  |  | $ | 32,713 |  |  | $ | (22,612) |
Customer-related | 10 to 21 |  | 183,338 |  |  | (98,901) |  |  |  | 181,408 |  |  | (88,112) |
Unpatented technology | 10 to 30 |  | 31,957 |  |  | (20,575) |  |  |  | 31,586 |  |  | (17,890) |
Trademarks | 5 to 20 |  | 13,268 |  |  | (10,083) |  |  |  | 13,087 |  |  | (8,772) |
Trademarks | Indefinite |  | 11,818 |  |  | — |  |  |  | 11,160 |  |  | — |
Total |  |  | $ | 274,013 |  |  | $ | (153,972) |  |  |  | $ | 269,954 |  |  | $ | (137,386) |

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- 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
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