EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Numerator:
Net income attributable to Franklin Electric Co., Inc.	$ 30,962	$ 32,959
Less: Earnings allocated to participating securities	100	100
Net income available to common shareholders	$ 30,900	$ 32,900
Basic
Basic weighted average common shares outstanding	45.7	46.1
Effect of dilutive securities:
Non-participating employee stock options, performance awards, and deferred shares to non-employee directors	0.6	0.6
Diluted weighted average common shares outstanding	46.3	46.7
Basic	$ 0.67	$ 0.71
Diluted	$ 0.67	$ 0.70
Anti-dilutive stock options (in shares)	0.1	0.1