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Estimated Amortization Expense of Existing Finite-Lived Intangible Assets (Detail)
$ in Thousands
Dec. 30, 2017
USD ($)
Goodwill And Intangible Assets Disclosure [Abstract]  
Fiscal 2018 $ 25,237
Fiscal 2019 14,273
Fiscal 2020 5,949
Fiscal 2021 1,051
Fiscal 2022 and thereafter $ 26