COVER - $ / shares	6 Months Ended
	Jun. 30, 2020	Jul. 31, 2020
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2020
Document Transition Report	false
Entity File Number	0-362
Entity Registrant Name	FRANKLIN ELECTRIC CO., INC.
Entity Incorporation, State or Country Code	IN
Entity Tax Identification Number	35-0827455
Entity Address, Address Line One	9255 Coverdale Road
Entity Address, City or Town	Fort Wayne,
Entity Address, State or Province	IN
Entity Address, Postal Zip Code	46809
City Area Code	260
Local Phone Number	824-2900
Entity Information, Former Legal or Registered Name	Not Applicable
Title of 12(b) Security	Common Stock, $0.10 par value
Trading Symbol	FELE
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Listing, Par Value Per Share	$ 0.10
Entity Common Stock, Shares Outstanding		46,190,670
Entity Central Index Key	0000038725
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q2
Amendment Flag	false
Current Fiscal Year End Date	--12-31