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Leases (Additional Information) (Details) $ in Millions | 12 Months Ended
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Jan. 31, 2020 USD ($)
Weighted average remaining lease term (in years) | 7 years 6 months
Weighted average discount rate (in percentage) | 3.41%
Operating lease minimum payments, executed leases that have not commenced | $ 22.7
Minimum |
Remaining lease term (in years) | 1 year
Lease renewal term (in years) | 1 year
Optional termination period (in years) | 1 year
Maximum |
Remaining lease term (in years) | 70 years
Lease renewal term (in years) | 10 years
Optional termination period (in years) | 10 years

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