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Intangible Assets - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Finite-Lived Intangible Assets [Line Items]
Amortization expense related to finite-lived intangible assets	$ 700	$ 600	$ 100
Intangible assets, net	18,229	$ 18,975
UTI
Finite-Lived Intangible Assets [Line Items]
Intangible assets, net	13,400
Concorde
Finite-Lived Intangible Assets [Line Items]
Intangible assets, net	$ 4,800

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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