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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, 2023 | Mar. 31, 2022 | Mar. 31, 2021
Investment in Films and Television Programs and Licensed Program Rights [Abstract] |  |  |
Individual monetization | $ 951.2 | $ 887.3 | $ 539.3
Film group monetization | 330.0 | 303.0 | 229.0
Licensed program rights | 384.1 | 377.4 | 421.5
Total amortization of films and television programs and licensed program rights | $ 1,665.3 | $ 1,567.7 | $ 1,189.8

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 920 -SubTopic 350 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=120155617&loc=SL120155632-234783 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 926 -SubTopic 20 -Section 50 -Paragraph 4A -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=120154696&loc=SL120155244-107959 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 926 -SubTopic 20 -Section 50 -Paragraph 4A -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=120154696&loc=SL120155244-107959 + Details
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