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Pension Plans (Expected Future Benefit Payments) (Details) - Pension Plan [Member] - Foreign Plan [Member]
$ in Thousands
Sep. 30, 2018
USD ($)
Defined Benefit Plan Disclosure [Line Items]  
2019 $ 2,721
2020 2,989
2021 3,265
2022 3,871
2023 3,873
2024 to 2028 $ 23,493