EARNINGS PER SHARE (Details) (USD $) Share data in Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013
Numerator:
Net income attributable to Franklin Electric Co., Inc. (in dollars)	$ 27,074,000	$ 28,135,000	$ 44,031,000	$ 43,591,000
Less: Undistributed earnings allocable to participating securities (in dollars)	300,000	300,000	500,000	500,000
Net income attributable to Franklin Electric Co., Inc. excluding undistributed earnings (in dollars)	26,600,000	27,800,000	43,300,000	43,100,000
Basic
Weighted average common shares (in shares)	47.6	47.5	47.7	47.4
Effect of dilutive securities:
Non-participating employee and director incentive stock options and performance awards (in shares)	0.6	0.6	0.6	0.6
Adjusted weighted average common shares (in shares)	48.2	48.1	48.3	48.0
Basic earnings per share (in dollars per share)	$ 0.56	$ 0.59	$ 0.91	$ 0.91
Diluted earnings per share (in dollars per share)	$ 0.55	$ 0.58	$ 0.90	$ 0.90
Stock Options
Effect of dilutive securities:
Anti-dilutive stock options (in shares)	0.1	0.1	0.1	0.1
Impo Motor Pompa Sanayi ve Ticaret A.S. [Member]
Numerator:
Less: Undistributed earnings allocated to redeemable non-controlling interest (in dollars)	$ 200,000	$ 0	$ 200,000	$ 0