Document And Entity Information	9 Months Ended
	Sep. 30, 2013	Nov. 01, 2013 Common Class A [Member]	Nov. 01, 2013 Common Class B [Member]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2013
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2013
Entity Registrant Name	AMC Networks Inc.
Entity Central Index Key	0001514991
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		60,796,936	11,484,408