Major Customers and Foreign Sales - Schedule of Revenues by Geographic Region (Details) - Net Revenues - Geographic Concentration Risk	6 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenue, Major Customer [Line Items]
Concentration risk, percentage	100.00%	100.00%
United States
Revenue, Major Customer [Line Items]
Concentration risk, percentage	43.00%	33.00%
Canada
Revenue, Major Customer [Line Items]
Concentration risk, percentage	1.00%	8.00%
Mexico
Revenue, Major Customer [Line Items]
Concentration risk, percentage	1.00%	3.00%
Other North America
Revenue, Major Customer [Line Items]
Concentration risk, percentage		2.00%
Total Americas
Revenue, Major Customer [Line Items]
Concentration risk, percentage	45.00%	46.00%
China
Revenue, Major Customer [Line Items]
Concentration risk, percentage	23.00%	13.00%
Malaysia
Revenue, Major Customer [Line Items]
Concentration risk, percentage	8.00%	9.00%
Taiwan
Revenue, Major Customer [Line Items]
Concentration risk, percentage	4.00%	5.00%
Other Asia
Revenue, Major Customer [Line Items]
Concentration risk, percentage	4.00%	9.00%
Total Asia
Revenue, Major Customer [Line Items]
Concentration risk, percentage	39.00%	36.00%
Germany
Revenue, Major Customer [Line Items]
Concentration risk, percentage	8.00%	2.00%
Austria
Revenue, Major Customer [Line Items]
Concentration risk, percentage	1.00%	6.00%
Czech Republic
Revenue, Major Customer [Line Items]
Concentration risk, percentage	3.00%	3.00%
Other Europe
Revenue, Major Customer [Line Items]
Concentration risk, percentage	4.00%	7.00%
Total Europe
Revenue, Major Customer [Line Items]
Concentration risk, percentage	16.00%	18.00%