XML 95 R80.htm IDEA: XBRL DOCUMENT v3.22.2.2
Stock-Based Compensation - Schedule of Nonvested Restricted Stock Units Activity (Details) - shares
12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2020
Restricted Stock Units (RSUs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 2 years 2 years 2 years
Annual Equity Program [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Percentage Of Annual Performance Stock Grant Vests In Equal Quarterly Increments 50.00%    
Percentage Of Annual Performance Stock Grant Based On Achieving Specified Annual Performance Goals 50.00%    
Annual Equity Program [Member] | CEO      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Percentage Of Annual Performance Stock Grant Vests In Equal Quarterly Increments 40.00%    
Percentage Of Annual Performance Stock Grant Based On Achieving Specified Annual Performance Goals 60.00%    
Annual Equity Program [Member] | November 1, 2021 | Restricted Stock Units (RSUs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Equity Instruments Other than Options, Grants in Period 160,384    
Award vesting period 3 years    
Annual Equity Program [Member] | November 2, 2020 | Restricted Stock Units (RSUs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Equity Instruments Other than Options, Grants in Period 257,568    
Award vesting period 3 years    
Annual Equity Program [Member] | November 1, 2019 [Member] | Restricted Stock Units (RSUs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Equity Instruments Other than Options, Grants in Period 228,616    
Award vesting period 3 years    
Annual Equity Program [Member] | November 1, 2018 [Member] | Restricted Stock Units (RSUs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Equity Instruments Other than Options, Grants in Period 144,066    
Award vesting period 3 years