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Leases Weighted Average Term and Discount Rate (Details)
Apr. 30, 2020
Lessee, Lease, Description [Line Items]  
Operating Lease, Weighted Average Remaining Lease Term 9 years 14 days
Finance Lease, Weighted Average Remaining Lease Term 5 years 1 month 24 days
Operating Lease, Weighted Average Discount Rate, Percent 3.04% [1]
Finance Lease, Weighted Average Discount Rate, Percent 3.57% [1]
[1] The Company cannot determine the interest rate implicit in the Company’s leases. Therefore, the discount rate represents the Company’s incremental borrowing rate and is determined based on the risk-free rate, adjusted for the risk premium attributed to the Company’s corporate credit rating for a secured or collateralized instrument.