CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Statement of Comprehensive Income [Abstract]
Net income	$ 17,204	$ 54,894	$ 109,141	$ 147,317
Other comprehensive income/(loss), before tax:
Foreign currency translation adjustments	4,555	8,706	43,657	(8,808)
Employee benefit plan activity	2,079	553	2,902	1,706
Other Comprehensive Income (Loss), Defined Benefit Plan, Pension Settlement before Tax	55,251	0	55,251	0
Other comprehensive income/(loss)	61,885	9,259	101,810	(7,102)
Income tax expense related to items of other comprehensive income/(loss)	(14,068)	(137)	(14,270)	(423)
Other comprehensive income/(loss), net of tax	47,817	9,122	87,540	(7,525)
Comprehensive income	65,021	64,016	196,681	139,792
Less: Comprehensive income attributable to noncontrolling interests	(443)	(383)	(1,405)	(692)
Comprehensive income attributable to Franklin Electric Co., Inc.	$ 64,578	$ 63,633	$ 195,276	$ 139,100