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Leases - Maturities of Operating Lease Liabilities (Details) $ in Thousands | Jan. 31, 2020 USD ($)
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Leases [Abstract] |
2020 | $ 8,743
2021 | 7,834
2022 | 7,096
2023 | 6,512
2024 | 6,187
Thereafter | 23,663
Total operating lease payments | 60,035
Less imputed interest | 14,330
Present value of lease liabilities | $ 45,705

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