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Retirement Plans and Postretirement Costs (Details 8)
$ in Thousands
Jul. 02, 2017
USD ($)
Pension and SERP Benefits  
Expected future benefit payments  
2018 $ 5,308
2019 5,304
2020 5,668
2021 6,239
2022 6,257
2023-2027 29,998
Postretirement Benefits  
Expected future benefit payments  
2018 265
2019 217
2020 164
2021 146
2022 132
2023-2027 $ 315