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Leases - Future Maturities of Lease Liabilities (Details)
$ in Thousands
Jul. 27, 2019
USD ($)
Leases [Abstract]  
Remainder of 2020 $ 26,409
2021 28,128
2022 20,860
2023 11,630
2024 4,665
After 2024 1,339
Total lease payments 93,031
Less: imputed interest (5,418)
Present value of lease liabilities $ 87,613