EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Numerator:
Net income attributable to Franklin Electric Co., Inc.	$ 60,140	$ 59,099	$ 91,102	$ 92,058
Less: Earnings allocated to participating securities	200	200	300	300
Net income available to common shareholders	$ 59,900	$ 58,900	$ 90,800	$ 91,800
Basic
Basic weighted average common shares outstanding	45.4	46.0	45.6	46.0
Effect of dilutive securities:
Non-participating employee stock options, performance awards, and deferred shares to non-employee directors	0.5	0.6	0.5	0.6
Diluted weighted average common shares outstanding	45.9	46.6	46.1	46.6
Basic	$ 1.32	$ 1.28	$ 1.99	$ 1.99
Diluted	$ 1.31	$ 1.26	$ 1.97	$ 1.97
Anti-dilutive stock options (in shares)	0.2	0.2	0.1	0.1