XML 119 R100.htm IDEA: XBRL DOCUMENT
v3.19.1

Capital Stock (Narrative - Equity) (Details) $ / shares in Units, $ in Thousands |  | 12 Months Ended
--- | --- | ---
Dec. 08, 2016 USD ($) installment shares | Mar. 31, 2019 USD ($) $ / shares shares | Mar. 31, 2018 USD ($) $ / shares shares
Class of Stock [Line Items] |  |  |
Affiliation agreement, number of annual installments | installment | 3 |  |
Affiliation agreement, annual installment payment, equity or cash, amount | $ | $ 16,670 |  |
Affiliation agreement, value of agreement | $ | $ 50,000 |  |
Class A Voting Common Shares |  |  |
Class of Stock [Line Items] |  |  |
Authorized common shares (in shares) |  | 500,000,000 | 500,000,000
Common shares, no par value | $ / shares |  | $ 0 | $ 0
Affiliation agreement, annual installment payment, equity or cash, amount | $ |  | $ 8,300 | $ 8,300
Affiliation Agreement, Annual Installment Payment, Shares Issued |  | 400,000 | 300,000
Class B Non-Voting Common Shares |  |  |
Class of Stock [Line Items] |  |  |
Authorized common shares (in shares) |  | 500,000,000 | 500,000,000
Common shares, no par value | $ / shares |  | $ 0 | $ 0
Affiliation agreement, annual installment payment, equity or cash, amount | $ |  | $ 8,300 | $ 8,300
Affiliation Agreement, Annual Installment Payment, Shares Issued |  | 500,000 | 300,000
Starz | Class A Voting Common Shares |  |  |
Class of Stock [Line Items] |  |  |
Issuance of common shares related to acquisitions and other, shares | 74,200,000 |  |
Starz | Class B Non-Voting Common Shares |  |  |
Class of Stock [Line Items] |  |  |
Issuance of common shares related to acquisitions and other, shares | 74,200,000 |  |
Common Shares | Starz | Class A Voting Common Shares |  |  |
Class of Stock [Line Items] |  |  |
Conversion of stock, shares issued (in shares) | 0.5 |  |
Common Shares | Starz | Class B Non-Voting Common Shares |  |  |
Class of Stock [Line Items] |  |  |
Conversion of stock, shares issued (in shares) | 0.5 |  |

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

X
- Definition Face amount per share of no-par value common stock. + 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_CommonStockNoParValue
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

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 The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4313-108586 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586 + Details
Name: | us-gaap_ConversionOfStockSharesIssued1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of new stock issued during the period. + 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 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: 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(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesNewIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
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: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=lgfa_StarzMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConversionOfStockByUniqueDescriptionAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |