Leases - Future Minimum Lease Payments (Details) $ in Thousands	Apr. 30, 2022 USD ($)
Operating Leased Assets [Line Items]
Current maturities	$ (2,264)
Lease liability - long-term	2,699
Lease assets	$ 9,722
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other accrued expenses
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other long-term liabilities
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property, plant and equipment, net
Other Liabilities [Member]
Operating Leased Assets [Line Items]
Outstanding amounts under finance lease obligations	$ 4,963