CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Income Statement [Abstract]
Net sales	$ 266,754	$ 290,715
Cost of sales	176,437	201,209
Gross profit	90,317	89,506
Selling, general, and administrative expenses	75,623	76,299
Restructuring expense	873	1,086
Operating income	13,821	12,121
Interest (expense)	(1,234)	(2,342)
Other income/(expense), net	(202)	239
Foreign exchange income	962	589
Income before income taxes	13,347	10,607
Income tax expense	2,555	1,480
Net income	10,792	9,127
Less: Net (income) attributable to noncontrolling interests	(149)	(71)
Net income attributable to Franklin Electric Co., Inc.	$ 10,643	$ 9,056
Income per share:
Basic earnings per share (in dollars per share)	$ 0.23	$ 0.19
Diluted earnings per share (in dollars per share)	$ 0.23	$ 0.19