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Investment in Films and Television Programs and Licensed Program Rights (Amortization of Investment in Films and Television Programs and Licensed Program Rights) (Details) - USD ($) $ in Millions | 12 Months Ended
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Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2022
Investment in Films and Television Programs and Licensed Program Rights [Abstract] |  |  |
Individual monetization | $ 907.1 | $ 951.2 | $ 887.3
Film group monetization | 382.0 | 330.0 | 303.0
Licensed program rights | 288.8 | 384.1 | 377.4
Total amortization of films and television programs and licensed program rights | $ 1,577.9 | $ 1,665.3 | $ 1,567.7

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- Definition Film, Monetized on Its Own, Film, Monetized in Film Group and Entertainment, License Agreement for Program Material, Amortization Expense + References No definition available. + Details
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- Definition Investment in Films and Television Programs and Licensed Program Rights + References No definition available. + Details
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- Definition Amount of amortization expense for capitalized cost for right acquired by broadcaster under license agreement for program material. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 920 -SubTopic 350 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483256/920-350-50-2 + Details
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- Definition Amount of amortization expense for capitalized film cost for film predominantly monetized with other films and license agreements. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 926 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483154/926-20-50-4A + Details
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- Definition Amount of amortization expense for capitalized film cost for film predominantly monetized on its own. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 926 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483154/926-20-50-4A + Details
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