Investment in Films and Television Programs - Schedule of Impairments by Segment (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Write downs on investments in films and television programs	$ 7.9	$ 1.7	$ 26.0	$ 34.1
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
Reportable Segments \| Motion Picture
Segment Reporting Information [Line Items]
Write downs on investments in films and television programs	$ 0.2	$ 0.5	$ 18.8	$ 27.5
Reportable Segments \| Television Production
Segment Reporting Information [Line Items]
Write downs on investments in films and television programs	0.4	1.2	0.4	6.6
Corporate
Segment Reporting Information [Line Items]
Write downs on investments in films and television programs	$ 7.3	$ 0.0	$ 6.8	$ 0.0

Amount of impairment loss on capitalized cost for film predominantly monetized on its own and film group.

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

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Indicates line item in statement of income or comprehensive income 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

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No definition available.

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