Goodwill and Other Intangible Assets, Net - Summary of Acquired Intangible Assets Subject to Amortization (Detail) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Sep. 30, 2022 |
|---|---|---|
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Value | $ 127,682 | $ 127,359 |
| Accumulated Amortization | 56,110 | 53,228 |
| Manufacturing Technologies, Core Products and Cell Lines [Member] | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Value | 56,380 | 56,289 |
| Accumulated Amortization | 21,366 | 20,321 |
| Tradenames, Licenses and Patents [Member] | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Value | 18,363 | 18,257 |
| Accumulated Amortization | 10,906 | 10,491 |
| Customer Lists, Customer Relationships, and Supply Agreements [Member] | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Value | 52,829 | 52,703 |
| Accumulated Amortization | 23,779 | 22,363 |
| Non-Compete Agreements [Member] | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Value | 110 | 110 |
| Accumulated Amortization | $ 59 | $ 53 |