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GOODWILL AND INTANGIBLE ASSETS - Changes in Goodwill (Details) $ in Thousands	6 Months Ended
	Mar. 31, 2026 USD ($)
Goodwill [Roll Forward]
Balance at September 30, 2025	$ 248,469
Goodwill attributable to the preliminary purchase price of the acquisition completed during the six months ended March 31, 2026	33,815
Balance at March 31, 2026	$ 282,284

X

- Definition

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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