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Income Taxes - Narrative (Details)	12 Months Ended
	Sep. 30, 2023
Income Tax Disclosure [Abstract]
Returns open to examination, minimum	3 years
Returns open to examination, maximum	5 years
Returns open to examination, state impact of federal changes, maximum	2 years

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Income Tax Examination, Returns Open to Examination, Maximum

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Income Tax Examination, Returns Open to Examination, State Impact of Federal Changes, Maximum

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