Document and Entity Information	3 Months Ended
	Mar. 31, 2015	May 01, 2015
Entity Information
Entity Registrant Name	MARTHA STEWART LIVING OMNIMEDIA INC
Entity Central Index Key	0001091801
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Document Type	10-Q
Document Period End Date	Mar. 31, 2015
Document Fiscal Year Focus	2015
Trading Symbol	MSO
Document Fiscal Period Focus	Q1
Amendment Flag	false
Common Stock
Entity Information
Entity Common Stock, Shares Outstanding		57,388,277
Class A Common Stock
Entity Information
Entity Common Stock, Shares Outstanding		32,403,652
Class B Common Stock
Entity Information
Entity Common Stock, Shares Outstanding		24,984,625