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Annual report pursuant to Section 13 and 15(d)

Transactions with Officers (Details 2)

v2.4.1.9
Transactions with Officers (Details 2) (USD $)
 1 Months Ended 12 Months Ended
Dec. 31, 2014
Dec. 31, 2008
item
Dec. 31, 2009
Annual base salary increase 5.00%lmca_AnnualBaseSalaryIncrease Ìý Ìý
Annual target cash bonus 250.00%lmca_AnnualTargetCashBonus Ìý Ìý
Chairman Ìý Ìý Ìý
deferred compensation installments Ìý 240lmca_DeferredCompensationInstallments
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_BoardOfDirectorsChairmanMember 		Ìý
Chairman | 8% Plan [Member] Ìý Ìý Ìý
Accrued Interest Rate per Annum compounded annually from applicable date of deferral Ìý 8.00%lmca_AccruedInterestRatePerAnnumCompoundedAnnuallyFromApplicableDateOfDeferral
/ lmca_DeferredCompensationPlansAxis
= lmca_A8PlanMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_BoardOfDirectorsChairmanMember 		Ìý
Deferred Compensation Liability, Current and Noncurrent Ìý 2,400,000us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent
/ lmca_DeferredCompensationPlansAxis
= lmca_A8PlanMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_BoardOfDirectorsChairmanMember 		Ìý
Deferred Compensation Arrangement with Individual, Distributions Paid 20,000us-gaap_DeferredCompensationArrangementWithIndividualDistributionsPaid
/ lmca_DeferredCompensationPlansAxis
= lmca_A8PlanMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_BoardOfDirectorsChairmanMember 		Ìý Ìý
Chairman | 13% plan [Member] Ìý Ìý Ìý
Accrued Interest Rate per Annum compounded annually from applicable date of deferral Ìý 13.00%lmca_AccruedInterestRatePerAnnumCompoundedAnnuallyFromApplicableDateOfDeferral
/ lmca_DeferredCompensationPlansAxis
= lmca_A13PlanMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_BoardOfDirectorsChairmanMember 		Ìý
Deferred Compensation Liability, Current and Noncurrent Ìý 20,000,000us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent
/ lmca_DeferredCompensationPlansAxis
= lmca_A13PlanMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_BoardOfDirectorsChairmanMember 		Ìý
Deferred Compensation Arrangement with Individual, Distributions Paid 237,000us-gaap_DeferredCompensationArrangementWithIndividualDistributionsPaid
/ lmca_DeferredCompensationPlansAxis
= lmca_A13PlanMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_BoardOfDirectorsChairmanMember 		Ìý Ìý
Chairman | Salary Continuation Plan [Member] Ìý Ìý Ìý
Accrued Interest Rate per Annum compounded annually from applicable date of deferral Ìý Ìý 12.00%lmca_AccruedInterestRatePerAnnumCompoundedAnnuallyFromApplicableDateOfDeferral
/ lmca_DeferredCompensationPlansAxis
= lmca_SalaryContinuationPlanMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_BoardOfDirectorsChairmanMember
Deferred Compensation Liability, Current and Noncurrent Ìý 39,000,000us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent
/ lmca_DeferredCompensationPlansAxis
= lmca_SalaryContinuationPlanMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_BoardOfDirectorsChairmanMember 		Ìý
Base amount per month under salary continuation plan Ìý Ìý 15,000lmca_BaseAmountPerMonthUnderSalaryContinuationPlan
/ lmca_DeferredCompensationPlansAxis
= lmca_SalaryContinuationPlanMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_BoardOfDirectorsChairmanMember
Deferred Compensation Arrangement with Individual, Distributions Paid 164,000us-gaap_DeferredCompensationArrangementWithIndividualDistributionsPaid
/ lmca_DeferredCompensationPlansAxis
= lmca_SalaryContinuationPlanMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_BoardOfDirectorsChairmanMember 		Ìý Ìý