XML 48 R72.htm IDEA: XBRL DOCUMENT v3.19.3

Capital Stock (Narrative) (Details) $ in Thousands, shares in Millions		12 Months Ended
	Dec. 08, 2016 USD ($) installment	Mar. 31, 2019 USD ($) shares	Mar. 31, 2018 USD ($) shares	Sep. 30, 2019 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of annual installments | installment	3
Annual installment payment, equity or cash, amount | $	$ 16,670
Value of agreement | $	$ 50,000
Class A Voting Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized common shares (in shares) | shares		500.0		500.0
Annual installment payment, equity or cash, amount | $		$ 8,300	$ 8,300
Affiliation agreement, annual installment payment, shares issued | shares		0.4	0.3
Class B Non-Voting Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized common shares (in shares) | shares		500.0		500.0
Annual installment payment, equity or cash, amount | $		$ 8,300	$ 8,300
Affiliation agreement, annual installment payment, shares issued | shares		0.5	0.3

X

- Definition

Affiliation Agreement, Annual Installment Payment, Equity or Cash, Amount

+ References

No definition available.

+ Details

Name:	lgfa_AffiliationAgreementAnnualInstallmentPaymentEquityorCashAmount
Namespace Prefix:	lgfa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Affiliation Agreement, Annual Installment Payment, Shares Issued

+ References

No definition available.

+ Details

Name:	lgfa_AffiliationAgreementAnnualInstallmentPaymentSharesIssued
Namespace Prefix:	lgfa_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Affiliation Agreement, Number of Annual Installments

+ References

No definition available.

+ Details

Name:	lgfa_AffiliationAgreementNumberofAnnualInstallments
Namespace Prefix:	lgfa_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Affiliation Agreement, Value of Agreement, Amount

+ References

No definition available.

+ Details

Name:	lgfa_AffiliationAgreementValueofAgreementAmount
Namespace Prefix:	lgfa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

+ 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=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_CommonStockSharesAuthorized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

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_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassBMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: