Leases - Supplemental Balance Sheet Information Related to Leases (Detail) $ in Thousands	Apr. 30, 2019 USD ($)
Operating Leases
Lease right-of-use assets	$ 15,495	[1]
Lease liabilities	4,826
Lease liabilities, noncurrent	12,292
Total operating lease liabilities	17,118
Finance Leases
Property and equipment, at cost	1,741
Accumulated depreciation	(326)
Property and equipment, net	1,415
Lease liabilities	1,009
Lease liabilities, noncurrent	1,143
Total finance lease liabilities	$ 2,152
Weighted Average Remaining Lease Term
Operating leases	4 years 2 months 12 days
Finance leases	2 years 1 month 6 days
Weighted Average Remaining Discount Rate
Operating leases	4.30%
Finance leases	4.30%

[1] We adopted ASU 2016-02, “Leases” (Topic 842) using the modified retrospective method as of February 1, 2019 and elected the transition option that allows us not to restate the comparative periods in our financial statements in the year of adoption.