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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, 2023 | Dec. 31, 2022 | Dec. 31, 2023 | Dec. 31, 2022
Investment In Films And Television Programs and Program Rights [Abstract] |  |  |  |
Individual monetization | $ 214.2 | $ 207.9 | $ 618.6 | $ 711.1
Film group monetization | 66.8 | 82.8 | 276.7 | 227.7
Licensed program rights | 90.2 | 94.4 | 243.4 | 345.6
Total amortization of films and television programs and licensed program rights | $ 371.2 | $ 385.1 | $ 1,138.7 | $ 1,284.4

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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//1943274/2147483256/920-350-50-2 + 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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