Revenue from Contracts with Customers - Performance Obligations (Details) - USD ($) $ in Millions	Sep. 30, 2025	Sep. 30, 2024
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, amount	$ 655.7	$ 507.3
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-10-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Percentage of performance obligation to be recognized	50.00%
Revenue, remaining performance obligation, expected timing of satisfaction, period	15 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-10-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Percentage of performance obligation to be recognized	50.00%
Revenue, remaining performance obligation, expected timing of satisfaction, period