Investment in Films and Television Programs - (Estimated Future Amortization) (Details) - LIONS GATE ENTERTAINMENT CORP. [Member] $ in Millions	Mar. 31, 2025 USD ($)
Released Investment in Films and Television Programs, Individual Monetization
Individual monetization, expected amortization, year one	$ 290.2
Individual monetization, expected amortization, year two	158.6
Individual monetization, expected amortization, year three	137.3
Released Investment in Films and Television Programs, Film Group Monetization
Film group monetization, expected amortization, year one	194.9
Film group monetization, expected amortization, year two	105.7
Film group monetization, expected amortization, year three	66.2
Licensed Program Rights
Licensed program rights, expected amortization, year one	124.3
Licensed program rights, expected amortization, year two	20.0
Licensed program rights, expected amortization, year three	12.9
Individual monetization, completed and not released investment in films and television programs, expected amortization in next operating cycle	90.4
Film group monetization, completed and not released, expected amortization in next operating cycle	$ 107.6

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Amount of amortization for right acquired by broadcaster under license agreement for program material expected to be recognized within first operating cycle following most recent annual statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 920
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-Name Accounting Standards Codification
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Amount of amortization for completed and not released film predominantly monetized with other films and license agreements and expected to be recognized within next operating cycle.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 926
-SubTopic 20
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Amount of amortization for released film predominantly monetized with other films and license agreements and expected to be recognized within first operating cycle following most recent annual statement of financial position.

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Amount of amortization for released film predominantly monetized with other films and license agreements and expected to be recognized within third operating cycle following most recent annual statement of financial position.

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