XML 357 R78.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Programming Content - Summary of tabular form of amortization of programming content (Details) - USD ($) $ in Millions | 9 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2022
Owned and produced films and television programs |  |  | $ 70.6 | $ 84.3 |
Starz Business of Lions Gate Entertainment Corp |  |  |  |  |
Licensed program rights | $ 504.3 | $ 392.5 | 544.5 | 596.0 | $ 536.8
Owned and produced films and television programs | 16.1 | 80.0 | 82.0 | 49.0 | 56.2
Total | $ 520.4 | $ 472.5 | $ 626.5 | $ 645.0 | $ 593.0

X
- Definition Amortization expense Of programming content. + References No definition available. + Details
Name: | lgfa_AmortizationExpenseOfProgrammingContent
Namespace Prefix: | lgfa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of amortization expense for capitalized cost for right acquired by broadcaster under license agreement for program material. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 920 -SubTopic 350 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478609/920-350-50-2 + Details
Name: | us-gaap_EntertainmentLicenseAgreementForProgramMaterialAmortizationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of amortization expense for capitalized film cost for film predominantly monetized on its own. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 926 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483154/926-20-50-4A + Details
Name: | us-gaap_FilmMonetizedOnItsOwnAmortizationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=lgfa_StarzBusinessOfLionsGateEntertainmentCorpMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |