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Investment In Films and Television Programs and Licensed Program Rights (Impairments) (Details) - USD ($) $ in Millions | 3 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021
Segment Reporting Information [Line Items] |  |
Write downs on investments in films and television programs and licensed program rights | $ 1.7 | $ 25.0
Motion Picture | Reportable Segments |  |
Segment Reporting Information [Line Items] |  |
Write downs on investments in films and television programs and licensed program rights | 0.5 | 0.0
Television Production | Reportable Segments |  |
Segment Reporting Information [Line Items] |  |
Write downs on investments in films and television programs and licensed program rights | $ 1.2 | $ 25.0

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- Definition Amount of impairment loss on capitalized cost for film predominantly monetized on its own and film group. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 926 -SubTopic 20 -Section 50 -Paragraph 4C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120154696&loc=SL120155252-107959 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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