Leases - Additional Information (Details)		12 Months Ended
	Jan. 01, 2024 ft²	Apr. 30, 2024 USD ($)	Apr. 30, 2023 USD ($)	Apr. 30, 2022 USD ($)
Lessee Lease Description [Line Items]
Operating lease cost		$ 3,600,000	$ 4,000,000	$ 3,900,000
Short-term operating lease costs		$ 22,000	$ 132,000	$ 218,000
Operating lease, weighted average lease term		14 years 7 months 6 days	15 years 7 months 6 days
Operating lease, weighted average discount rate		6.00%	5.40%
Operating right-of-use lease asset		$ 33,564,000	$ 24,198,000
Operating lease, liability		$ 34,620,000	24,968,000
Description of lease		During the fiscal year ended April 30, 2024, we entered an Assignment Agreement to assign us the rights to the entire building and surrounding property at our corporate office and warehouse facility in Columbia, Missouri. The assignment was effective on January 1, 2024.
Cash paid for amounts included in measurement of liabilities and operating cash flows		$ 1,000,000	1,900,000
Building
Lessee Lease Description [Line Items]
Operating right-of-use lease asset		10,600,000	1,900,000
Operating lease, liability		$ 10,600,000	$ 1,900,000
Number of square feet | ft²	632,000
Sublease, number of square feet | ft²	361,000
Additional number of Square feet | ft²	491,000
Lease expiration date	Nov. 26, 2038
Option to extend lease		does not provide for an extension of the term of the lease