Summary of Significant Accounting Policies Unaudited Interim Financial Information - Narrative (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Sep. 30, 2025 |
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| Business Acquisition [Line Items] | |||||
| Contract asset | $ 2.2 | $ 2.2 | $ 1.3 | ||
| Contract liability | 4.8 | 4.8 | 5.1 | ||
| Contract liability recognized as revenue | 5.0 | ||||
| Capitalized contract cost, amortization | 0.4 | $ 0.4 | $ 1.2 | $ 1.2 | |
| Percentage purchase model transactions | 20.00% | ||||
| Purchase of inventory | 11.1 | $ 11.1 | 10.1 | ||
| Location, Statement of Financial Position, Balance [Axis]: us-gaap:PrepaidExpenseAndOtherAssetsCurrent | |||||
| Business Acquisition [Line Items] | |||||
| Contract costs | $ 2.4 | $ 2.4 | $ 2.3 | ||
| X | ||||||||||
- Definition Percentage of minimum purchase model transaction of gross merchandise value. No definition available.
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- Definition Purchase of inventory. No definition available.
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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/exampleRef
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- Definition Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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