CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Net sales	$ 551,672	$ 459,019	$ 1,554,280	$ 1,229,345
Cost of sales	361,077	295,903	1,029,063	798,444
Gross profit	190,595	163,116	525,217	430,901
Selling, general, and administrative expenses	109,366	106,446	322,352	288,534
Restructuring expense	1,185	76	1,898	381
Operating income	80,044	56,594	200,967	141,986
Interest expense	(3,066)	(1,384)	(7,492)	(3,840)
Other income/(expense), net	(1,250)	2,061	(2,787)	1,531
Foreign exchange income/(expense)	(3,376)	(408)	(4,290)	(1,654)
Income before income taxes	72,352	56,863	186,398	138,023
Income tax expense	13,380	10,409	37,544	24,043
Net income	58,972	46,454	148,854	113,980
Less: Net (income)/loss attributable to noncontrolling interests	(348)	(282)	(1,101)	(787)
Net income attributable to Franklin Electric Co., Inc.	$ 58,624	$ 46,172	$ 147,753	$ 113,193
Earnings per share:
Basic	$ 1.26	$ 0.99	$ 3.17	$ 2.43
Diluted	$ 1.24	$ 0.98	$ 3.13	$ 2.40