Annual report pursuant to Section 13 and 15(d)

Major Customers and Sales by Country - Schedule of Revenues by Geographic Region (Details)

v3.22.2.2
Major Customers and Sales by Country - Schedule of Revenues by Geographic Region (Details) - Net Revenues - Geographic Concentration Risk
12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2020
Revenue, Major Customer [Line Items]      
Concentration risk, percentage 100.00% 100.00% 100.00%
United States      
Revenue, Major Customer [Line Items]      
Concentration risk, percentage 27.00% 22.00% 28.00%
Other Americas      
Revenue, Major Customer [Line Items]      
Concentration risk, percentage 9.00% 5.00% 7.00%
Total Americas      
Revenue, Major Customer [Line Items]      
Concentration risk, percentage 36.00% 27.00% 35.00%
China      
Revenue, Major Customer [Line Items]      
Concentration risk, percentage 17.00% 29.00% 25.00%
Malaysia      
Revenue, Major Customer [Line Items]      
Concentration risk, percentage 7.00% 3.00% 5.00%
Taiwan      
Revenue, Major Customer [Line Items]      
Concentration risk, percentage 14.00% 15.00% 15.00%
Other Asia      
Revenue, Major Customer [Line Items]      
Concentration risk, percentage 6.00% 11.00% 7.00%
Total Asia      
Revenue, Major Customer [Line Items]      
Concentration risk, percentage 44.00% 58.00% 52.00%
Germany      
Revenue, Major Customer [Line Items]      
Concentration risk, percentage 4.00% 5.00% 3.00%
Austria      
Revenue, Major Customer [Line Items]      
Concentration risk, percentage 10.00% 3.00%  
Other Europe      
Revenue, Major Customer [Line Items]      
Concentration risk, percentage 6.00% 7.00% 10.00%
Total Europe      
Revenue, Major Customer [Line Items]      
Concentration risk, percentage 20.00% 15.00% 13.00%