Investment in Films and Television Programs - Schedule of Total Investment in Films and Television Programs (Details) - USD ($) $ in Millions	Dec. 31, 2024	Mar. 31, 2024
Investment in Films and Television Programs:
Released, net of accumulated amortization	$ 1,011.6	$ 992.2
Completed and not released	201.3	225.4
In progress	1,129.2	644.4
In development	115.3	67.0
Investment in films and television programs, net	$ 2,457.4	$ 1,929.0

Amount of capitalized film cost for film predominantly monetized with other films and license agreements.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 926
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483154/926-20-50-2

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- Definition

Amount of capitalized film cost for completed and not released film predominantly monetized with other films and license agreements.

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- Definition

Amount of capitalized film cost incurred in development and preproduction of film predominantly monetized with other films and license agreements.

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- Definition

Amount of capitalized film cost incurred in production of film predominantly monetized with other films and license agreements.

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- Definition

Amount of capitalized film cost for released film predominantly monetized with other films and license agreements.

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