XML 84 R73.htm IDEA: XBRL DOCUMENT v3.20.4

Capital Stock (Common Shares Reserved for Future Issuance) (Details) - shares shares in Millions	Dec. 31, 2020	Mar. 31, 2020
Common Shares Reserved For Future Issuance [Line Items]
Shares reserved for future issuance (in shares)	51.4	50.9
Stock Options and SARs
Common Shares Reserved For Future Issuance [Line Items]
Shares reserved for future issuance (in shares)	26.8	35.7
Restricted Stock and Restricted Share Units - Unvested
Common Shares Reserved For Future Issuance [Line Items]
Shares reserved for future issuance (in shares)	9.1	3.7
Common shares available for future issuance
Common Shares Reserved For Future Issuance [Line Items]
Shares reserved for future issuance (in shares)	15.5	11.5

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: