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Goodwill and Intangible Assets - Future Amortization (Details)
$ in Thousands
Jan. 26, 2019
USD ($)
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity  
2021 $ 20,663
2022 17,490
2023 15,334
2024 13,903
2025 13,718
Thereafter 54,137
Total $ 135,245