Basis of Presentation and Summary of Significant Accounting Policies - Property Plant and Equipment (Details)	12 Months Ended
	Sep. 30, 2022
Buildings and improvements | Minimum
Summary of Significant Accounting Policies [Line Items]
Estimated useful life	25 years
Buildings and improvements | Maximum
Summary of Significant Accounting Policies [Line Items]
Estimated useful life	30 years
Information systems
Summary of Significant Accounting Policies [Line Items]
Estimated useful life	5 years
Furniture, fixtures and computer and office equipment | Minimum
Summary of Significant Accounting Policies [Line Items]
Estimated useful life	3 years
Furniture, fixtures and computer and office equipment | Maximum
Summary of Significant Accounting Policies [Line Items]
Estimated useful life	7 years