Restructuring and Other Charges - Restructuring and Related Costs (Details) $ in Thousands  | 
6 Months Ended | 
|---|---|
| 
 Mar. 31, 2025  
USD ($) 
 | |
| Restructuring Reserve [Roll Forward] | |
| Beginning Balance | $ 0 | 
| Restructure expense | 2,505 | 
| Restructure payments | (2,001) | 
| Ending Balance | 504 | 
| Employee Severance | |
| Restructuring Reserve [Roll Forward] | |
| Beginning Balance | 0 | 
| Restructure expense | 2,220 | 
| Restructure payments | (1,748) | 
| Ending Balance | 472 | 
| Other | |
| Restructuring Reserve [Roll Forward] | |
| Beginning Balance | 0 | 
| Restructure expense | 285 | 
| Restructure payments | (253) | 
| Ending Balance | $ 32 | 
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- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available. 
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- Details 
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- Details 
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