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Investment In Films and Television Programs and Licensed Program Rights (Amortization Expense) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2024 | Dec. 31, 2023
Investment In Films And Television Programs and Program Rights [Abstract] |  |  |  |
Individual monetization | $ 286.0 | $ 214.2 | $ 797.6 | $ 618.6
Film group monetization | 56.5 | 66.8 | 212.5 | 276.7
Licensed program rights | 89.2 | 90.2 | 195.8 | 243.4
Total amortization of films and television programs and licensed program rights | $ 431.7 | $ 371.2 | $ 1,205.9 | $ 1,138.7

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- Definition Investment In Films And Television Programs and 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/1943274/2147478609/920-350-50-2 + 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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