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Product Development Assets (Tables) | 12 Months Ended
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Apr. 30, 2026
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Schedule of Product Development Assets | Product development assets, net were included in Other non-current assets on the Consolidated Statements of Financial Position and consisted of the following at April 30:
| 2026 |  | 2025 |
Book composition costs | $ | 246,770 |  |  | $ | 247,442 |  |
Software costs | 51,795 |  |  | 50,960 |  |
Content development costs | 1,360 |  |  | 1,033 |  |
Product development assets, gross | 299,925 |  |  | 299,435 |  |
Accumulated amortization | (285,430) |  |  | (283,382) |  |
Product development assets, net | $ | 14,495 |  |  | $ | 16,053 |  |
Schedule Of Amortization Expense For Product Development Assets | The following table details our amortization expense for product development assets, net:
| For the Years Ended April 30, |
| 2026 |  | 2025 |  | 2024 |
Amortization expense | $ | 16,058 |  |  | $ | 16,610 |  |  | $ | 22,835 |  |

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- Definition Tabular disclosure of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer; the aggregate carrying amount of current assets, not separately presented elsewhere in the balance sheet; and other deferred costs. + References No definition available. + Details
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