Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans And Deferred Compensation - Narrative (Details)

v3.22.2.2
Employee Benefit Plans And Deferred Compensation - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2020
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Percentage of liabilities that can be met plan assets 86.00%    
Investments in mutual funds $ 22.8    
United States      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Employer contribution to defined contribution plans 28.0 $ 17.3 $ 13.2
Foreign Plan      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Employer contribution to defined contribution plans $ 23.7 $ 22.8 $ 18.6