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Goodwill and Other Intangible Assets (Tables) | 9 Months Ended
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Mar. 31, 2017
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, is as follows:
(in thousands) | Industrial |  | Widia |  | Infrastructure |  | Total
Gross goodwill | $ | 408,705 |  |  | $ | 40,624 |  |  | $ | 633,211 |  |  | $ | 1,082,540 |
Accumulated impairment losses | (137,204 | ) |  | (13,638 | ) |  | (633,211 | ) |  | (784,053 | )
Balance as of June 30, 2016 | $ | 271,501 |  |  | $ | 26,986 |  |  | $ | — |  |  | $ | 298,487 |
Activity for the nine months ended March 31, 2017: |  |  |  |  |  |  |
Change in gross goodwill due to translation | (4,459 | ) |  | 287 |  |  | — |  |  | (4,172 | )
Gross goodwill | 404,246 |  |  | 40,911 |  |  | 633,211 |  |  | 1,078,368 |
Accumulated impairment losses | (137,204 | ) |  | (13,638 | ) |  | (633,211 | ) |  | (784,053 | )
Balance as of March 31, 2017 | $ | 267,042 |  |  | $ | 27,273 |  |  | $ | — |  |  | $ | 294,315 |
The components of intangible assets | The components of our other intangible assets were as follows:
| Estimated Useful Life (in years) |  | March 31, 2017 | June 30, 2016
(in thousands) |  | Gross Carrying Amount |  | Accumulated Amortization |  |  | Gross Carrying Amount |  | Accumulated Amortization
Contract-based | 3 to 15 |  | $ | 7,059 |  |  | $ | (7,002 | ) |  |  | $ | 7,152 |  |  | $ | (6,886 | )
Technology-based and other | 4 to 20 |  | 45,753 |  |  | (27,822 | ) |  |  | 47,323 |  |  | (27,011 | )
Customer-related | 10 to 21 |  | 204,088 |  |  | (70,983 | ) |  |  | 205,471 |  |  | (66,938 | )
Unpatented technology | 10 to 30 |  | 31,691 |  |  | (9,967 | ) |  |  | 31,837 |  |  | (4,614 | )
Trademarks | 5 to 20 |  | 12,259 |  |  | (8,389 | ) |  |  | 12,668 |  |  | (8,644 | )
Trademarks | Indefinite |  | 16,382 |  |  | — |  |  |  | 16,850 |  |  | — |
Total |  |  | $ | 317,232 |  |  | $ | (124,163 | ) |  |  | $ | 321,301 |  |  | $ | (114,093 | )

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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