XML 52 R41.htm IDEA: XBRL DOCUMENT v3.21.1
Basis of Presentation and Summary of Significant Accounting Policies (Details) - variableInterestEntity
Mar. 31, 2021
Sep. 30, 2020
Apr. 30, 2020
Entity Location [Line Items]      
Number of VIE entities 2 2  
Other Asia      
Entity Location [Line Items]      
Percentage of plants shutdown     50.00%