Income Taxes (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |||
---|---|---|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
Mar. 31, 2025 |
Mar. 31, 2024 |
Sep. 30, 2024 |
|
Operating Loss Carryforwards [Line Items] | |||||
Effective income tax rate reconciliation (in percent) | 28.30% | 29.00% | 27.90% | 24.80% | |
Tax receivable agreement liability | $ 40.8 | $ 40.8 | $ 40.6 | ||
Percentage of net cash savings | 85.00% | ||||
Deferred Tax Assets, Operating Loss Carryforwards, Domestic | 0.9 | ||||
Tax Credit Carryforward, Amount | 3.7 | ||||
Deferred Tax Asset, Interest Carryforward | 0.9 | ||||
Domestic Tax Jurisdiction | |||||
Operating Loss Carryforwards [Line Items] | |||||
Operating loss carryforwards | 4.3 | ||||
State and Local Jurisdiction | |||||
Operating Loss Carryforwards [Line Items] | |||||
Operating loss carryforwards | $ 0.3 |