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Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Sep. 30, 2021
Goodwill [Line Items] |  |  |  |  |
Accumulated impairment charges | $ 178,732 |  | $ 178,732 |  | $ 178,732
Amortization expense on intangible assets | 11,804 | $ 23,039 | 45,303 | $ 61,190 |
Future amortization expense [Abstract] |  |  |  |  |
Future amortization expense for the remainder 2022 | 11,993 |  | 11,993 |  |
Future amortization expense 2023 | 41,064 |  | 41,064 |  |
Future amortization expense 2024 | 35,505 |  | 35,505 |  |
Future amortization expense 2025 | 18,880 |  | 18,880 |  |
Future amortization expense 2026 | $ 14,686 |  | $ 14,686 |  |
Graphics Imaging |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Percentage of fair value in excess of carrying amount | 10.00% |  | 10.00% |  |
Memorialization |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Accumulated impairment charges | $ 5,000 |  | $ 5,000 |  | 5,000
Industrial Technologies |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Accumulated impairment charges | 23,946 |  | 23,946 |  | 23,946
SGK Brand Solutions |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Accumulated impairment charges | $ 149,786 |  | $ 149,786 |  | $ 149,786

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