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Operating Lease Commitments and Rent Expense - Summary of Future Minimum Rental Payments under 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
Thereafter 24,297
Total $ 47,786