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Investment In Films and Television Programs and Licensed Program Rights (Impairments) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Segment Reporting Information [Line Items] |  |  |  |
Write downs on investments in films and television programs and licensed program rights | $ 1.7 | $ 18.5 | $ 26.7 | $ 19.1
Not included in segment operating results |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Write downs on investments in films and television programs and licensed program rights | 0.0 | 15.4 | 0.0 | 15.4
Motion Picture | Reportable Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Write downs on investments in films and television programs and licensed program rights | 0.1 | 0.3 | 0.1 | 0.9
Television Production | Reportable Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Write downs on investments in films and television programs and licensed program rights | $ 1.6 | $ 2.8 | $ 26.6 | $ 2.8

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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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