XML 89 R60.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Mergers and Acquisitions (Components of Purchase Consideration) (Details) - USD ($) $ / shares in Units, $ in Millions |  | 12 Months Ended
--- | --- | ---
Dec. 08, 2016 | Mar. 31, 2018 | Mar. 31, 2017 | Mar. 31, 2016
Business Acquisition [Line Items] |  |  |  |
Cost basis |  | $ 2.6 | $ 2.6 |
Gain recognized on Starz available-for-sale securities |  | 0.0 | 20.4 | $ 0.0
Dissenting shareholders' liability |  | $ 0.0 | 812.9 |
Starz |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Cost basis | $ 158.9 |  |  |
Gain recognized on Starz available-for-sale securities |  |  | $ 20.4 |
Market value, as of December 8, 2016, of Starz Series A and Series B common stock already owned by Lionsgate | 179.3 |  |  |
Cash consideration paid to Starz stockholders | 1,176.1 |  |  |
Fair value of Lionsgate voting and non-voting shares issued to Starz's stockholders | 1,327.7 |  |  |
Replacement of Starz share-based payment awards | 186.5 |  |  |
Total purchase consideration | 3,666.9 |  |  |
Replacement of Starz share-based payment awards, unvested | 43.3 |  |  |
Starz Series A Common Stock | Starz |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Cash consideration paid to Starz stockholders | $ 1,123.3 |  |  |
Cash to be paid per outstanding share (in usd per share) | $ 18.00 |  |  |
Starz Series A Common Stock | Starz | Class B Non-Voting Common Shares |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Fair value of Lionsgate voting and non-voting shares issued to Starz's stockholders | $ 1,088.0 |  |  |
Stock conversion ratio | 0.6784 |  |  |
Starz Series B Common Stock | Starz |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Cash consideration paid to Starz stockholders | $ 52.8 |  |  |
Cash to be paid per outstanding share (in usd per share) | $ 7.26 |  |  |
Starz Series B Common Stock | Starz | Class B Non-Voting Common Shares |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Fair value of Lionsgate voting and non-voting shares issued to Starz's stockholders | $ 118.1 |  |  |
Stock conversion ratio | 0.6321 |  |  |
Starz Series B Common Stock | Starz | Class A Voting Common Shares |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Fair value of Lionsgate voting and non-voting shares issued to Starz's stockholders | $ 121.6 |  |  |
Stock conversion ratio | 0.6321 |  |  |
Starz Dissenting Shareholders | Starz |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Dissenting shareholders' liability | $ 797.3 |  |  |

X
- Definition Business Acquisition, Consideration Transferred, Cash Paid per Outstanding Share + References No definition available. + Details
Name: | lgfa_BusinessAcquisitionConsiderationTransferredCashPaidperOutstandingShare
Namespace Prefix: | lgfa_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Business Combination, Consideration Transferred, Equity Interest Issued and Issuable, Replacement of Share-based Compensation Awards + References No definition available. + Details
Name: | lgfa_BusinessCombinationConsiderationTransferredEquityInterestIssuedandIssuableReplacementofSharebasedCompensationAwards
Namespace Prefix: | lgfa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Business Combination, Consideration Transferred, Equity Interest Issued and Issuable, Replacement of Share-based Compensation Awards, Unvested + References No definition available. + Details
Name: | lgfa_BusinessCombinationConsiderationTransferredEquityInterestIssuedandIssuableReplacementofSharebasedCompensationAwardsUnvested
Namespace Prefix: | lgfa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Business Combination, Consideration Transferred, Liabilities Accrued + References No definition available. + Details
Name: | lgfa_BusinessCombinationConsiderationTransferredLiabilitiesAccrued
Namespace Prefix: | lgfa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition This item represents the cost of equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments for other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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_BusinessAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 + Details
Name: | us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair value at acquisition-date of the assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interests issued by the acquirer, including but not limited to, instruments or interests issued or issuable in consideration for the business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 + Details
Name: | us-gaap_BusinessCombinationConsiderationTransferredIncludingEquityInterestInAcquireeHeldPriorToCombination1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair value at acquisition-date of the equity interest in the acquiree held by the acquirer, immediately before the acquisition date for businesses combined in stages. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g)(1) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition In a business combination achieved in stages, this element represents the amount of gain recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g)(2) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The number of shares converted 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://www.xbrl.org/2003/role/presentationRef -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://www.xbrl.org/2003/role/presentationRef -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 Reference 3: http://www.xbrl.org/2003/role/presentationRef -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 + Details
Name: | us-gaap_ConversionOfStockSharesConverted1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireBusinessesGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

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

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

X
- Details
Name: | us-gaap_CounterpartyNameAxis=lgfa_StarzDissentingShareholdersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |