XML 62 R128.htm IDEA: XBRL DOCUMENT
v3.20.1

Segment Information (Capital Expenditures By Segment) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Mar. 31, 2018
Segment Reporting Information [Line Items] |  |  |
Capital expenditures | $ 31.1 | $ 43.8 | $ 45.9
Motion Picture |  |  |
Segment Reporting Information [Line Items] |  |  |
Capital expenditures | 0.0 | 0.0 | 0.0
Television Production |  |  |
Segment Reporting Information [Line Items] |  |  |
Capital expenditures | 1.2 | 3.2 | 1.4
Media Networks |  |  |
Segment Reporting Information [Line Items] |  |  |
Capital expenditures | 22.4 | 30.0 | 31.5
Corporate |  |  |
Segment Reporting Information [Line Items] |  |  |
Capital expenditures | $ 7.5 | $ 10.6 | $ 13.0

X
- Definition The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireProductiveAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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: | 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: | us-gaap_StatementBusinessSegmentsAxis=lgfa_MediaNetworksMember
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: |