Document And Entity Information	9 Months Ended
Sep. 30, 2011	Nov. 01, 2011 Class A [Member]	Nov. 01, 2011 Class B [Member]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2011
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2011
Entity Registrant Name	AMC Networks Inc.
Entity Central Index Key	0001514991
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Common Stock, Shares Outstanding		58,325,515	13,534,408

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