DOCUMENT AND ENTITY INFORMATION (USD $)	12 Months Ended
	Dec. 29, 2012	Feb. 12, 2013	Jun. 30, 2012
Document Information
Entity Registrant Name	FRANKLIN ELECTRIC CO INC
Entity Central Index Key	0000038725
Current Fiscal Year End Date	--12-29
Entity Filer Category	Large Accelerated Filer
Document Type	10-K
Document Period End Date	Dec. 29, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Common Stock, Shares Outstanding		23,566,200
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 1,165,984,575