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INCOME TAXES - Reconciliation of The Federal Corporate Income Tax Rate and The Effective Tax Rate (Details)	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Income Tax Disclosure [Abstract]
Statutory income tax rate	21.00%	21.00%	21.00%
Effect of foreign operations	(2.00%)	0.20%	(1.60%)
State taxes, net of federal benefit	8.00%	3.20%	2.60%
Effect of other permanent differences	(32.80%)	(0.80%)	2.80%
Research and Experimentation and other federal tax credits	2.90%	0.20%	0.20%
Effect of tax contingencies	3.70%	0.10%	(1.80%)
Change in valuation allowances	(57.40%)	(8.70%)	(0.90%)
Other	8.70%	1.00%	(0.70%)
Effective income tax rate	(47.90%)	16.20%	21.60%

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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