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v3.26.1

Leases - Schedule of Assets and Liabilities Related to Operating and Financing Leases (Detail) - USD ($) $ in Thousands | Apr. 30, 2026 | Apr. 30, 2025
--- | --- | ---
Operating Leases |  |
Right-of-use assets | $ 0 | $ 1,623
Accumulated amortization | 0 | (1,211)
Right-of-use assets, net | 0 | $ 412
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] |  | Other assets
Current liabilities | $ 0 | $ 233
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] | Accrued expenses and deferred revenue | Accrued expenses and deferred revenue
Non-current liabilities | $ 0 | $ 318
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] |  | Other non-current liabilities
Total operating lease liabilities | 0 | $ 551
Finance Leases |  |
Right-of-use assets | 41,437 | 41,631
Accumulated depreciation | (14,726) | (12,973)
Right-of-use assets, net | $ 26,711 | $ 28,658
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] | Property, plant, and equipment, net of accumulated depreciation and amortization of $397,668 on April 30, 2026 and $368,811 on April 30, 2025 | Property, plant, and equipment, net of accumulated depreciation and amortization of $397,668 on April 30, 2026 and $368,811 on April 30, 2025
Current liabilities | $ 1,858 | $ 1,701
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] | Accrued expenses and deferred revenue | Accrued expenses and deferred revenue
Non-current liabilities | $ 32,163 | $ 33,703
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] | Non-current liabilities | Non-current liabilities
Total finance lease liabilities | $ 34,021 | $ 35,404

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