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Pension Benefits (Benefit Payments Estimated For Future Years) (Details) - Defined Benefit Pension Plans [Member]
$ in Thousands
Jun. 30, 2020
USD ($)
Defined Benefit Plan Disclosure [Line Items]  
2021 $ 2,425
2022 2,418
2023 2,386
2024 2,390
2025 2,382
2026 - 2030 $ 11,361