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Future Minimum Annual Rentals, Excluding Percentage Rentals Non-cancelable Lease Terms Greater Than One Year (Detail)
$ in Thousands
Apr. 29, 2017
USD ($)
Operating Leased Assets [Line Items]  
2018 $ 314,274
2019 263,121
2020 202,711
2021 141,638
2022 96,621
After 2022 106,648
Operating Leases, Future Minimum Payments Due, Total $ 1,125,013