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Revenue from Contracts with Customers Narrative (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024
Disaggregation of Revenue [Line Items] |  |
Current deferred revenue | $ 7.1 | $ 7.1
Noncurrent deferred revenue | 5.0 | $ 5.7
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-10-01 |  |
Disaggregation of Revenue [Line Items] |  |
Revenue, remaining performance obligation, amount | $ 1.5 |
Remaining performance obligation, expected timing of satisfaction, period | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-10-01 |  |
Disaggregation of Revenue [Line Items] |  |
Revenue, remaining performance obligation, amount | $ 1.3 |
Remaining performance obligation, expected timing of satisfaction, period | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2028-10-01 |  |
Disaggregation of Revenue [Line Items] |  |
Revenue, remaining performance obligation, amount | $ 0.7 |
Remaining performance obligation, expected timing of satisfaction, period | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2029-10-01 |  |
Disaggregation of Revenue [Line Items] |  |
Revenue, remaining performance obligation, amount | $ 0.5 |
Remaining performance obligation, expected timing of satisfaction, period | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2030-10-01 |  |
Disaggregation of Revenue [Line Items] |  |
Revenue, remaining performance obligation, amount | $ 0.4 |
Remaining performance obligation, expected timing of satisfaction, period | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2031-10-01 |  |
Disaggregation of Revenue [Line Items] |  |
Revenue, remaining performance obligation, amount | $ 0.6 |
Remaining performance obligation, expected timing of satisfaction, period |  |
Transferred over Time [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Percent of revenue by recognition timing | 2.00% |
Transferred at Point in Time [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Percent of revenue by recognition timing | 98.00% |

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