XML 82 R68.htm IDEA: XBRL DOCUMENT v3.19.3
Retirement and Post-Retirement Employee Benefit Plans - Schedule of Expected Benefit Payments Defined Benefit Plan (Details)
$ in Thousands
Sep. 30, 2019
USD ($)
Defined Benefit Plan  
Defined Benefit Plan Disclosure [Line Items]  
2020 $ 33,238
2021 35,037
2022 36,128
2023 37,851
2024 39,395
2025-2029 207,634
Supplemental Executive Retirement Plans  
Defined Benefit Plan Disclosure [Line Items]  
2020 26,197
2021 24,407
2022 8,978
2023 9,105
2024 8,440
2025-2029 $ 50,187