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Goodwill And Other Intangible Assets (Estimated Annual Amortization Expense) (Details)
$ in Thousands
Sep. 30, 2018
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
2020 $ 3,823
2021 3,738
2022 3,664
2023 3,105
2024 $ 3,105