Document and Entity Information	9 Months Ended
	Sep. 30, 2012	Oct. 31, 2012 Class A [Member]	Oct. 31, 2012 Voting Common Stock [Member]
Entity Information [Line Items]
Entity Registrant Name	Scripps Networks Interactive, Inc.
Entity Central Index Key	0001430602
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		115,536,254	34,317,173
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q3
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2012