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Leases - Summary of Minimum Future Rental Payments under Operating Leases (Detail)
$ in Thousands
Dec. 29, 2018
USD ($)
Leases [Abstract]  
2019 $ 5,489
2020 5,416
2021 4,972
2022 4,599
2023 3,013
2024 and thereafter 24,297
Total rental payments $ 47,786