Restructuring and Other Charges - Narrative (Details) $ in Thousands  | 
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
| 
 Apr. 01, 2025  
numberOfEmployee 
 | 
 Jan. 06, 2025  
numberOfEmployee 
 | 
 Jan. 03, 2025  
numberOfEmployee 
 | 
 Mar. 31, 2025  
USD ($) 
 | 
 Mar. 31, 2025  
USD ($) 
 | 
|
| Restructuring Cost and Reserve [Line Items] | |||||
| Restructuring and related cost, expected number of positions eliminated | numberOfEmployee | 135 | 172 | |||
| Restructure expense | $ 2,505 | ||||
| Employee Severance | |||||
| Restructuring Cost and Reserve [Line Items] | |||||
| Restructure expense | 2,220 | ||||
| Other restructuring costs | 92 | ||||
| Operating Expense | |||||
| Restructuring Cost and Reserve [Line Items] | |||||
| Restructure expense | $ 2,111 | 2,111 | |||
| General and Administrative Expense | |||||
| Restructuring Cost and Reserve [Line Items] | |||||
| Restructure expense | 109 | 109 | |||
| Other restructuring costs | $ 285 | $ 285 | |||
| Subsequent Event | |||||
| Restructuring Cost and Reserve [Line Items] | |||||
| Restructuring and related cost, expected number of positions eliminated | numberOfEmployee | 34 | 
| X | ||||||||||
- Definition Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition The expected number of positions to be eliminated as a result of restructuring activities. No definition available. 
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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 Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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