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Investments - Narrative (Details) - USD ($) $ in Millions |  | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Oct. 17, 2022 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2022
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Income (loss) from equity method investments | $ 43.4 | $ 7.6 | $ 4.2 | $ 8.5 | $ 5.7 | $ 8.7 | $ 0.5 | $ (3.0)
STARZPLAY Arabia |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Equity method investment, amount sold | $ 43.4 |  |  |  |  |  |  |
Minimum |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Equity method investments, ownership (as a percent) |  | 6.00% |  | 6.00% |  |  |  |
Minimum | Equity Method Investment |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Equity method investment, ownership percentage |  |  |  |  |  | 6.00% |  |
Maximum |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Equity method investments, ownership (as a percent) |  | 49.00% |  | 49.00% |  |  |  |
Maximum | Equity Method Investment |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Equity method investment, ownership percentage |  |  |  |  |  | 49.00% |  |

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