Loans Payable and Long-Term Debt - Maturities (Details) - USD ($) $ in Thousands	Jan. 31, 2025	Apr. 30, 2024
Debt Instrument [Line Items]
2025	$ 1,695
2026	5,384
2027	9,617
2028	14,506
2029	18,663
2030 and there-after	329,220
Long-Term Debt and Lease Obligation, Including Current Maturities	379,085	$ 376,114
Debt Issuance Costs, Net	(3,740)	(1,631)
Long-Term Debt and Lease Obligation, Current	(8,068)	(2,722)
Long-term debt, less current maturities	367,277	371,761
Term Loans
Debt Instrument [Line Items]
2025	1,250
2026	5,000
2027	7,500
2028	12,500
2029	17,500
2030 and there-after	155,000
Long-Term Debt and Lease Obligation, Including Current Maturities	198,750	206,250
Revolving loan facility
Debt Instrument [Line Items]
2025	0
2026	0
2027	0
2028	0
2029	0
2030 and there-after	173,407
Long-Term Debt and Lease Obligation, Including Current Maturities	173,407	163,750
Economic
Debt Instrument [Line Items]
2025	15
2026	384
2027	2,117
2028	2,006
2029	1,163
2030 and there-after	813
Long-Term Debt and Lease Obligation, Including Current Maturities	6,498	5,684
Other Long-Term Debt
Debt Instrument [Line Items]
2025	430
2026	0
2027	0
2028	0
2029	0
2030 and there-after	0
Long-Term Debt and Lease Obligation, Including Current Maturities	$ 430	$ 430