XML 80 R71.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Capital Stock (Common Shares Reserved for Future Issuance) (Details) - shares shares in Millions | Dec. 31, 2021 | Mar. 31, 2021
--- | --- | ---
Common Shares Reserved For Future Issuance [Line Items] |  |
Shares reserved for future issuance (in shares) | 54.0 | 51.4
Stock Options and SARs |  |
Common Shares Reserved For Future Issuance [Line Items] |  |
Shares reserved for future issuance (in shares) | 27.2 | 26.7
Restricted Stock and Restricted Share Units - Unvested |  |
Common Shares Reserved For Future Issuance [Line Items] |  |
Shares reserved for future issuance (in shares) | 7.7 | 9.1
Common shares available for future issuance |  |
Common Shares Reserved For Future Issuance [Line Items] |  |
Shares reserved for future issuance (in shares) | 19.1 | 15.6

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: | lgfa_CommonSharesReservedForFutureIssuanceLineItems
Namespace Prefix: | lgfa_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate number of common shares reserved for future issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | lgfa_CommonSharesReservedForFutureIssuanceAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | lgfa_CommonSharesReservedForFutureIssuanceAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | lgfa_CommonSharesReservedForFutureIssuanceAxis=lgfa_PurchaseOptionsAndRestrictedSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |