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Schedule by Year of Future Minimum Lease Payments for Operating Leases with Original Terms in Excess of One Year (Detail)
$ in Thousands
Jan. 31, 2019
USD ($)
Leases [Abstract]  
2020 $ 294,527
2021 263,209
2022 228,596
2023 200,776
2024 167,130
Thereafter 558,655
Total minimum lease payments $ 1,712,893