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Employee Benefit Plans - Estimated Future Benefit Payments (Details)
$ in Thousands
Dec. 28, 2019
USD ($)
Other Post-Retirement  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
2020 $ 2,569
2021 132
2022 124
2023 121
2024 108
2025-2029 444
Foreign Plan | Pension benefits  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
2020 189
2021 180
2022 143
2023 290
2024 393
2025-2029 $ 2,156