Condensed Consolidated Statements of Income (unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Income Statement [Abstract]
Net sales	$ 1,399.1	$ 1,285.4
Cost of goods sold	951.4	837.1
Gross profit	447.7	448.3
Selling & administrative expenses	219.2	199.5
Operating income	228.5	248.8
Interest expense, net	(21.1)	(9.7)
Loss on disposition of business	(5.3)	0.0
Other expense, net	(0.7)	(4.1)
Total other expense	(27.1)	(13.8)
Income before income taxes	201.4	235.0
Provision for income taxes	52.3	51.6
Net income	149.1	183.4
Less: Net income attributable to noncontrolling interest	(1.3)	(1.5)
Net income attributable to Hubbell Incorporated	$ 147.8	$ 181.9
Earnings per share:
Basic earnings per share (USD per share)	$ 2.75	$ 3.39
Diluted earnings per share (USD per share)	$ 2.73	$ 3.37