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Benefit Plans 7 (Details) $ in Thousands | Jun. 30, 2017 USD ($)
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Pension Benefits [Member] |
Estimated future benefit payments |
2018 | $ 3,200
2019 | 3,700
2020 | 3,800
2021 | 1,300
2022 | 1,300
2023 through 2027 | 4,400
Postretirement Health Coverage [Member] |
Estimated future benefit payments |
2018 | 190
2019 | 150
2020 | 130
2021 | 120
2022 | 110
2023 through 2027 | $ 480

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