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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 | 21 Months Ended
--- | --- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2023
Segment Reporting Information [Line Items] |  |  |  |  |
Write downs on investments in films and television programs and licensed program rights | $ 79.5 | $ 81.4 | $ 351.5 | $ 299.6 |
Restructuring and other | $ 116.9 | $ 75.3 | $ 371.0 | $ 316.5 |
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 impairments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Restructuring and other | $ 77.8 | $ 80.8 | $ 317.4 | $ 299.7 |
Not included in segment operating results |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Write downs on investments in films and television programs and licensed program rights | 77.8 | 80.8 | 317.4 | 293.8 |
Motion Picture | Reportable Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Write downs on investments in films and television programs and licensed program rights | 0.5 | 0.6 | 27.5 | 1.1 |
Television Production | Reportable Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Write downs on investments in films and television programs and licensed program rights | 1.2 | 0.0 | 6.6 | 4.7 |
Media Networks | Content impairments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Restructuring and other | $ 77.8 | $ 80.8 | $ 317.4 | $ 293.8 | $ 696.7

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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 -Topic 926 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4C -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483154/926-20-50-4C + 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 -Topic 926 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4C -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483154/926-20-50-4C + Details
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