Intangible Assets, Net - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Intangible Asset, Finite-Lived [Line Items]
Amortization expense	$ 3.4	$ 3.8	$ 10.4	$ 9.0
Capitalized internal-use software
Intangible Asset, Finite-Lived [Line Items]
Amortization expense	$ 2.1	$ 1.5	$ 6.1	$ 4.0

Amount of amortization expense for finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed.

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+ Details

- 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.

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