Goodwill and Intangible Assets - Narrative (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
Mar. 31, 2025 |
Mar. 31, 2024 |
Sep. 30, 2024 |
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| Indefinite-Lived Intangible Assets [Line Items] | |||||
| Amortization of intangible assets | $ 2,100 | $ 2,100 | $ 4,269 | $ 3,700 | |
| Weighted average useful life | 4 years 2 months 12 days | ||||
| Goodwill | 336,602 | $ 336,602 | $ 336,602 | ||
| Internally Developed Software | |||||
| Indefinite-Lived Intangible Assets [Line Items] | |||||
| Amortization of intangible assets | 300 | $ 300 | 634 | $ 500 | |
| Dealerships | |||||
| Indefinite-Lived Intangible Assets [Line Items] | |||||
| Goodwill | 295,300 | 295,300 | 295,300 | ||
| Distribution | |||||
| Indefinite-Lived Intangible Assets [Line Items] | |||||
| Goodwill | $ 41,300 | $ 41,300 | $ 41,300 | ||
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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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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