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Goodwill and Other Intangible Assets (Tables) | 6 Months Ended
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Mar. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill Attributable to Each Segment | A summary of the carrying amount of goodwill attributable to each segment as well as the changes in such amounts are as follows:
| Memorialization |  | Industrial Technologies |  | SGK Brand Solutions |  | Consolidated
Net goodwill at September 30, 2024 | $ | 373,144 |  |  | $ | 99,545 |  |  | $ | 224,434 |  |  | $ | 697,123 |
Additions during period | 2,767 |  |  | — |  |  | — |  |  | 2,767 |
Translation and other adjustments | (1,873) |  |  | (464) |  |  | (6,385) |  |  | (8,722) |
Reclassified to non-current assets held-for-sale | — |  |  | — |  |  | (218,049) |  |  | (218,049) |
Net goodwill at March 31, 2025 | $ | 374,038 |  |  | $ | 99,081 |  |  | $ | — |  |  | $ | 473,119 |
Schedule of Other Intangible Assets | The following tables summarize the carrying amounts and related accumulated amortization for intangible assets as of March 31, 2025 and September 30, 2024, respectively.
| Carrying Amount |  | Accumulated Amortization |  | Net
March 31, 2025 |  |  |  |  |
Indefinite-lived trade names | $ | 30,540 |  |  | $ | — |  |  | $ | 30,540 |
Definite-lived trade names | 25,662 |  |  | (20,179) |  |  | 5,483 |
Customer relationships | 148,514 |  |  | (100,317) |  |  | 48,197 |
Copyrights/patents/other | 16,080 |  |  | (13,525) |  |  | 2,555 |
| $ | 220,796 |  |  | $ | (134,021) |  |  | $ | 86,775 |
September 30, 2024: |  |  |  |  |
Indefinite-lived trade names | $ | 30,540 |  |  | $ | — |  |  | $ | 30,540 |
Definite-lived trade names | 151,598 |  |  | (127,829) |  |  | 23,769 |
Customer relationships | 380,387 |  |  | (311,621) |  |  | 68,766 |
Copyrights/patents/other | 19,166 |  |  | (16,215) |  |  | 2,951 |
| $ | 581,691 |  |  | $ | (455,665) |  |  | $ | 126,026 |

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- Definition Tabular disclosure of amortizable and non-amortizable intangible assets, in total and by major class, including the gross carrying amount and accumulated amortization. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. + References No definition available. + Details
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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/exampleRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 24 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482548/350-20-55-24 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1A Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-2 + Details
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