Intangibles - Schedule of Intangibles (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Sep. 30, 2024
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	$ 33,285	$ 34,485
Less: Accumulated amortization	(11,949)	(9,382)
Total intangibles, net	21,336	25,103
Intangible assets - Tradenames
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	15,356	15,356
Intangible assets - Customer relationships
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	13,599	14,799
Intangible assets - Other
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	$ 4,330	$ 4,330