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Goodwill and Other Intangible Assets (Tables) | 9 Months Ended
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Jun. 30, 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 |  | Brand Solutions |  | Consolidated
Net goodwill at September 30, 2024 | $ | 373,144 |  |  | $ | 99,545 |  |  | $ | 224,434 |  |  | $ | 697,123 |
Additions during period | 42,822 |  |  | — |  |  | — |  |  | 42,822 |
Translation and other adjustments | 82 |  |  | 457 |  |  | (6,385) |  |  | (5,846) |
Sale of SGK Business | — |  |  | — |  |  | (218,049) |  |  | (218,049) |
Net goodwill at June 30, 2025 | $ | 416,048 |  |  | $ | 100,002 |  |  | $ | — |  |  | $ | 516,050 |
Schedule of Other Intangible Assets | The following tables summarize the carrying amounts and related accumulated amortization for intangible assets as of June 30, 2025 and September 30, 2024, respectively.
| Carrying Amount |  | Accumulated Amortization |  | Net
June 30, 2025 |  |  |  |  |
Indefinite-lived trade names | $ | 30,540 |  |  | $ | — |  |  | $ | 30,540 |
Definite-lived trade names | 26,176 |  |  | (21,513) |  |  | 4,663 |
Customer relationships | 150,628 |  |  | (104,363) |  |  | 46,265 |
Copyrights/patents/other | 16,441 |  |  | (14,069) |  |  | 2,372 |
| $ | 223,785 |  |  | $ | (139,945) |  |  | $ | 83,840 |
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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