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Investments - Narrative (Details) - USD ($) $ in Millions		3 Months Ended		12 Months Ended
	Oct. 17, 2022	Jun. 30, 2024	Jun. 30, 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	$ 0.9	$ (0.3)	$ 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 percentage		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 percentage		49.00%
Maximum | Equity Method Investment
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage				49.00%

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