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v3.25.2

Goodwill and Other Intangibles - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
May 31, 2025 | May 31, 2024 | May 31, 2023
Goodwill and Other Intangibles (Details) [Line Items] |  |  |
Additions (1) | $ 64.2 | $ 0.0 |
Goodwill, impairment loss | 0.0 | 0.0 |
Additions | $ 85.3 | 6.0 |
Useful life of intangible assets | 8 years 4 months 24 days |  |
Amortization of intangible assets | $ 11.2 | 2.6 | $ 2.2
Amortizable Intangible Assets - Educational Programs |  |  |
Goodwill and Other Intangibles (Details) [Line Items] |  |  |
Additions |  | $ 5.8 |
Useful life of intangible assets |  | 8 years |
Amortizable Intangible Assets - Children's Book Publishing Business |  |  |
Goodwill and Other Intangibles (Details) [Line Items] |  |  |
Additions |  | $ 0.2 |
Useful life of intangible assets |  | 5 years |

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