Cost Method Investments, Ownership Percentage

No definition available.

Name:	lgf_CostMethodInvestmentsOwnershipPercentage
Namespace Prefix:	lgf_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage sale of equity interest.

+ References

No definition available.

+ Details

Name:	lgf_PercentageSaleOfEquityInterest
Namespace Prefix:	lgf_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percent of Accretion Recognized as Equity Interest Income

+ References

No definition available.

+ Details

Name:	lgf_PercentOfAccretionRecognizedAsEquityInterestIncome
Namespace Prefix:	lgf_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	lgf_ScheduleOfLongTermInvestmentsLineItems
Namespace Prefix:	lgf_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Total investments in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership.

+ 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 210.5-02.12)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The percentage rate used to calculate dividend payments on preferred stock.

+ References

No definition available.

+ Details

Name:	us-gaap_PreferredStockDividendRatePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash inflow associated with the deconsolidation of a previously consolidated subsidiary or sale of an entity that is related to it but not strictly controlled.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3179-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Number 51

-Name Accounting Research Bulletin (ARB)

-Paragraph 39

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 15

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 16

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

+ Details

Name:	us-gaap_ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Equity Method Investments (Narrative) (Details) (USD $)				12 Months Ended			12 Months Ended	1 Months Ended
Equity Method Investments (Narrative) (Details) (USD $)	Mar. 31, 2010	Mar. 31, 2012 Celestial Tiger [Member]	Sep. 30, 2010 Studio 3 Partners, LLC (EPIX) [Member]	Mar. 31, 2012 TV Guide Network [Member]	May 28, 2009 TV Guide Network [Member]	Mar. 31, 2012 Tiger Gate Entertainment Limited [Member]	Mar. 31, 2012 Redeemable Preferred Stock [Member]	May 28, 2009 TV Guide Network [Member]	Feb. 28, 2009 TV Guide Network [Member]
Schedule of Long-term Investments [Line Items]
Aggregate acquisition purchase price									$ 241,600,000
Investments in equity method investees			80,400,000			1,000,000
Percentage sold of equity interest	49.00%				49.00%			49.00%
Percent of accretion and amortization recognized as equity interest income				51.00%
Sale of non-controlling interest to OEP								$ 122,400,000
Rate of dividend on preferred stock							10.00%
Cost method investments, ownership percentage		16.00%