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Asset Write Down (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Feb. 28, 2026 | Nov. 30, 2025 | Aug. 31, 2025 | Feb. 28, 2025 | Feb. 28, 2026 | Feb. 28, 2025 | May 31, 2025
Debt (Details) [Line Items] |  |  |  |  |  |  |
Prepublication costs, net | $ 42,300,000 |  |  | $ 47,600,000 | $ 42,300,000 | $ 47,600,000 | $ 49,700,000
Equity Securities without readily determinable fair value, impairment loss | 0 |  |  |  | 0 |  |
Asset impairments and write downs | $ 0 | $ 8,600,000 |  | $ 300,000 | $ 9,400,000 | $ 400,000 |
Total Entertainment |  |  |  |  |  |  |
Debt (Details) [Line Items] |  |  |  |  |  |  |
Investment in film and television programs and other production costs |  | 4,900,000 |  |  |  |  |
Total Education Solutions |  |  |  |  |  |  |
Debt (Details) [Line Items] |  |  |  |  |  |  |
Prepublication costs, net |  | 3,400,000 |  |  |  |  |
Total Children's Book Publishing and Distribution |  |  |  |  |  |  |
Debt (Details) [Line Items] |  |  |  |  |  |  |
Asset impairments and write downs |  |  | $ 800,000 |  |  |  |
UK Children's Book Publishing |  |  |  |  |  |  |
Debt (Details) [Line Items] |  |  |  |  |  |  |
Equity Securities without readily determinable fair value, impairment loss |  | $ 300,000 |  |  |  |  |
Other equity investments, percentage acquired |  | 12.00% |  |  |  |  |

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