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Investment In Films and Television Programs and Licensed Program Rights (Impairments) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2021
Segment Reporting Information [Line Items] |  |  |  |
Write downs on investments in films and television programs and licensed program rights | $ 81.4 | $ 2.6 | $ 299.6 | $ 29.3
Restructuring and other | $ 75.3 | $ 0.5 | $ 316.5 | $ 7.2
Film, Monetized on Its Own, and Film Group, Impairment, Statement of Income [Extensible Enumeration] | Total direct operating expense on consolidated statements of operations, Restructuring and other | Total direct operating expense on consolidated statements of operations, Restructuring and other | Total direct operating expense on consolidated statements of operations, Restructuring and other | Total direct operating expense on consolidated statements of operations, Restructuring and other
Content and other impairments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Restructuring and other | $ 80.8 | $ 0.0 | $ 299.7 | $ 0.0
Not included in segment operating results |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Write downs on investments in films and television programs and licensed program rights | 80.8 | 0.0 | 293.8 | 0.0
Motion Picture | Reportable Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Write downs on investments in films and television programs and licensed program rights | 0.6 | 1.1 | 1.1 | 1.2
Television Production | Reportable Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Write downs on investments in films and television programs and licensed program rights | 0.0 | $ 1.5 | 4.7 | $ 28.1
Media Networks | Content and other impairments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Restructuring and other | $ 80.8 |  | $ 293.8 |

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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 https://asc.fasb.org/extlink&oid=120154696&loc=SL120155252-107959 + Details
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- Definition Indicates line item in statement in which net income is reported that includes 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 (c) -URI https://asc.fasb.org/extlink&oid=120154696&loc=SL120155252-107959 + Details
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