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v3.23.1

Investments - Narrative (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Feb. 28, 2023 | Feb. 28, 2022 | Feb. 28, 2023 | Feb. 28, 2022
Debt and Equity Securities, FV-NI [Line Items] |  |  |  |
Equity method investment, impairment |  |  | $ 0 |
Income from equity-method investments | $ 200,000 | $ 100,000 | $ 1,500,000 | $ 1,600,000
Children's Book Publishing & Distribution |  |  |  |
Debt and Equity Securities, FV-NI [Line Items] |  |  |  |
Equity method ownership percentage | 26.20% |  | 26.20% |
Financing and Production Company | Financing and Production Company |  |  |  |
Debt and Equity Securities, FV-NI [Line Items] |  |  |  |
Other equity percentage |  |  | 4.60% |

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