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Leases - Schedule of Maturities of Operating Lease Liabilities (Details)
$ in Thousands
Jul. 31, 2021
USD ($)
Leases [Abstract]  
2022 $ 32,280
2023 30,202
2024 26,270
2025 23,681
2026 22,524
Thereafter 37,204
Total undiscounted future minimum lease payments 172,161
Less imputed interest (24,836)
Total discounted future minimum lease payments $ 147,325