XML 375 R83.htm IDEA: XBRL DOCUMENT
v3.24.4

Investment in Films and Television Programs - Schedule of Impairments by Segment (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2022
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Motion Picture |  |  |  |  | $ 34.6 | $ 6.2 | $ 1.2
Television Production |  |  |  |  | 8.4 | 4.6 | 34.9
Impairments Not Included In Segment Operating Results |  |  |  |  | 12.8 | 0.0 | 0.0
Impairment Cost |  |  |  |  | $ 55.8 | $ 10.8 | $ 36.1
Write downs on investments in films and television programs | $ 17.8 | $ 32.2 | $ 18.0 | $ 32.4 |  |  |
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 | $ 18.3 | $ 26.8 | $ 18.5 | $ 27.0 |  |  |
Reportable Segments | Television Production |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Write downs on investments in films and television programs | 0.0 | 5.4 | 0.0 | 5.4 |  |  |
Corporate |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Write downs on investments in films and television programs | $ (0.5) | $ 0.0 | $ (0.5) | $ 0.0 |  |  |

X
- Definition Impairment cost. + References No definition available. + Details
Name: | lgfa_ImpairmentCost
Namespace Prefix: | lgfa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Impairment cost in motion picture. + References No definition available. + Details
Name: | lgfa_ImpairmentCostInMotionPicture
Namespace Prefix: | lgfa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Impairment cost in television production. + References No definition available. + Details
Name: | lgfa_ImpairmentCostInTelevisionProduction
Namespace Prefix: | lgfa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Impairments not included in segment operating results. + References No definition available. + Details
Name: | lgfa_ImpairmentsNotIncludedInSegmentOperatingResults
Namespace Prefix: | lgfa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- 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
Name: | us-gaap_FilmMonetizedOnItsOwnAndFilmGroupImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition 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 + Details
Name: | us-gaap_FilmMonetizedOnItsOwnAndFilmGroupImpairmentStatementOfIncomeExtensibleList
Namespace Prefix: | us-gaap_
Data Type: | enum2:enumerationSetItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=lgfa_MotionPictureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=lgfa_TelevisionProductionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |