XML 135 R91.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Debt (Conversions of Convertible Senior Subordinated Notes) (Details) - Convertible Senior Subordinated Notes - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016 | Mar. 31, 2015
Debt Instrument [Line Items] |  |  |
Principal amount converted | $ 41.9 | $ 16.2 | $ 24.2
Common shares issued upon conversion (in shares) | 4,098,922 | 1,983,058 | 2,945,730
Weighted average conversion price per share (in usd per share) | $ 10.21 | $ 8.15 | $ 8.20
January 2012 Notes |  |  |
Debt Instrument [Line Items] |  |  |
Principal amount converted | $ 41.9 | $ 0.0 | $ 0.0
Weighted average conversion price per share (in usd per share) | $ 10.21 | $ 0.00 | $ 0.00
Coupon rate | 4.00% |  |
April 2009 Notes |  |  |
Debt Instrument [Line Items] |  |  |
Principal amount converted | $ 0.0 | $ 16.2 | $ 24.1
Common shares issued upon conversion (in shares) | 0 | 1,983,058 | 2,937,096
Weighted average conversion price per share (in usd per share) | $ 0.00 | $ 8.15 | $ 8.19
Coupon rate | 3.625% |  |
October 2004 Notes [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal amount converted | $ 0.0 | $ 0.0 | $ 0.1
Common shares issued upon conversion (in shares) | 0 | 0 | 8,634
Weighted average conversion price per share (in usd per share) | $ 0.00 | $ 0.00 | $ 11.46
Coupon rate | 2.9375% |  |
Class A Voting Shares | January 2012 Notes |  |  |
Debt Instrument [Line Items] |  |  |
Common shares issued upon conversion (in shares) | 2,049,461 | 0 | 0
Class B Non-Voting Shares | January 2012 Notes |  |  |
Debt Instrument [Line Items] |  |  |
Common shares issued upon conversion (in shares) | 2,049,461 | 0 | 0

X
- Definition The weighted average price per share of conversions of the debt instrument in the period. + References No definition available. + Details
Name: | lgfa_DebtInstrumentConvertibleWeightedAverageConversionPrice
Namespace Prefix: | lgfa_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "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 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 Reference 2: 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=6367179&loc=d3e4332-108586 + Details
Name: | us-gaap_DebtConversionConvertedInstrumentAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or 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=6367179&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=6367179&loc=d3e4304-108586 + Details
Name: | us-gaap_DebtConversionConvertedInstrumentSharesIssued1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
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_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_ConvertibleSubordinatedDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lgfa_January2012NotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lgfa_April2009NotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lgfa_October2004NotesMember
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_StatementClassOfStockAxis=us-gaap_CommonClassBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |