CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Net sales	$ 538,431	$ 551,672	$ 1,592,163	$ 1,554,280
Cost of sales	352,178	361,077	1,055,164	1,029,063
Gross profit	186,253	190,595	536,999	525,217
Selling, general, and administrative expenses	107,687	109,366	324,651	322,352
Restructuring expense	462	1,185	735	1,898
Operating income	78,104	80,044	211,613	200,967
Interest expense	(2,984)	(3,066)	(10,309)	(7,492)
Other income/(expense), net	277	(1,250)	1,865	(2,787)
Foreign exchange expense	(2,483)	(3,376)	(8,098)	(4,290)
Income before income taxes	72,914	72,352	195,071	186,398
Income tax expense	14,746	13,380	39,167	37,544
Net income	58,168	58,972	155,904	148,854
Less: Net income attributable to noncontrolling interests	(370)	(348)	(1,181)	(1,101)
Net income attributable to Franklin Electric Co., Inc.	$ 57,798	$ 58,624	$ 154,723	$ 147,753
Earnings per share:
Basic	$ 1.25	$ 1.26	$ 3.34	$ 3.17
Diluted	$ 1.23	$ 1.24	$ 3.29	$ 3.13