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Condensed Consolidating Financial Statements (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Jun. 30, 2011
Dec. 17, 2012
Debt Instrument [Line Items]        
Long-term Debt, Gross $ 2,761,500us-gaap_DebtInstrumentCarryingAmount $ 2,780,000us-gaap_DebtInstrumentCarryingAmount    
Parent Percentage of Ownership in Guarantor Subsidiaries 100.00%amcx_ParentPercentageofOwnershipinGuarantorSubsidiaries      
7.75% Senior Notes [Member]        
Debt Instrument [Line Items]        
Long-term Debt, Gross 700,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= amcx_A775SeniorNotesMember		 700,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= amcx_A775SeniorNotesMember		    
Debt Instrument, Interest Rate, Stated Percentage 7.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= amcx_A775SeniorNotesMember		 7.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= amcx_A775SeniorNotesMember		 7.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= amcx_A775SeniorNotesMember		  
4.75% Senior Notes [Member]        
Debt Instrument [Line Items]        
Long-term Debt, Gross $ 600,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= amcx_A475SeniorNotesMember		 $ 600,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= amcx_A475SeniorNotesMember		    
Debt Instrument, Interest Rate, Stated Percentage 4.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= amcx_A475SeniorNotesMember		 4.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= amcx_A475SeniorNotesMember		   4.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= amcx_A475SeniorNotesMember