Stock-based Compensation - Reserved For Issuance (Details) shares in Thousands	12 Months Ended
Sep. 30, 2025 shares
Number Of Shares Reserved For Issuance [Roll Forward]
As of at September 30, 2024 (in shares)	611
Additional shares authorized (in shares)	249
Shares issued during the period (in shares)	(144)
As of at September 30, 2025 (in shares)	716

Number Of Shares Reserved For Issuance

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- Definition

Aggregate number of common shares reserved for future issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
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-Name Accounting Standards Codification
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- Definition

Number of additional shares authorized for issuance under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-4

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- Definition

Number of shares issued during the period as a result of an employee stock purchase plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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