CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Net sales	$ 551,138	$ 437,280	$ 1,002,608	$ 770,326
Cost of sales	361,850	285,041	667,986	502,541
Gross profit	189,288	152,239	334,622	267,785
Selling, general, and administrative expenses	108,313	100,485	212,986	182,088
Restructuring (income)/expense	(7)	153	713	305
Operating income	80,982	51,601	120,923	85,392
Interest expense	(2,932)	(1,366)	(4,426)	(2,456)
Other income/(expense), net	(1,159)	(430)	(1,537)	(530)
Foreign exchange income/(expense)	(329)	(1,189)	(914)	(1,246)
Income before income taxes	76,562	48,616	114,046	81,160
Income tax expense	16,799	9,253	24,164	13,634
Net income	59,763	39,363	89,882	67,526
Less: Net (income)/loss attributable to noncontrolling interests	(399)	(222)	(753)	(505)
Net income attributable to Franklin Electric Co., Inc.	$ 59,364	$ 39,141	$ 89,129	$ 67,021
Earnings per share:
Basic	$ 1.27	$ 0.84	$ 1.91	$ 1.44
Diluted	$ 1.26	$ 0.83	$ 1.89	$ 1.42