CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement [Abstract]
Net sales	$ 531,438	$ 538,431	$ 1,535,596	$ 1,592,163
Cost of sales	341,775	352,178	982,556	1,055,164
Gross profit	189,663	186,253	553,040	536,999
Selling, general, and administrative expenses	115,998	107,687	352,290	324,651
Restructuring expense	139	462	139	735
Operating income	73,526	78,104	200,611	211,613
Interest expense	(1,556)	(2,984)	(4,980)	(10,309)
Other (expense) income, net	(181)	277	709	1,865
Foreign exchange income (expense), net	88	(2,483)	(5,228)	(8,098)
Income before income taxes	71,877	72,914	191,112	195,071
Income tax expense	16,983	14,746	43,795	39,167
Net income	54,894	58,168	147,317	155,904
Less: Net income attributable to noncontrolling interests	(298)	(370)	(663)	(1,181)
Net income attributable to Franklin Electric Co., Inc.	$ 54,596	$ 57,798	$ 146,654	$ 154,723
Earnings per share:
Basic	$ 1.19	$ 1.25	$ 3.18	$ 3.34
Diluted	$ 1.17	$ 1.23	$ 3.14	$ 3.29