Condensed Consolidated Statements of Income (unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement [Abstract]
Net sales	$ 1,442.6	$ 1,375.8	$ 4,294.2	$ 4,027.1
Cost of goods sold	945.5	888.4	2,840.7	2,595.2
Gross profit	497.1	487.4	1,453.5	1,431.9
Selling & administrative expenses	193.3	211.1	620.0	619.0
Operating income	303.8	276.3	833.5	812.9
Interest expense, net	(18.7)	(7.8)	(59.6)	(26.7)
Loss on disposition of business	0.0	0.0	(5.3)	0.0
Other expense, net	(5.6)	(3.5)	(7.5)	(12.4)
Total other expense	(24.3)	(11.3)	(72.4)	(39.1)
Income before income taxes	279.5	265.0	761.1	773.8
Provision for income taxes	58.5	63.0	175.8	180.2
Net income	221.0	202.0	585.3	593.6
Less: Net income attributable to noncontrolling interest	(1.6)	(1.9)	(4.5)	(4.8)
Net income attributable to Hubbell Incorporated	$ 219.4	$ 200.1	$ 580.8	$ 588.8
Earnings per share:
Basic earnings per share (USD per share)	$ 4.08	$ 3.72	$ 10.80	$ 10.96
Diluted earnings per share (USD per share)	$ 4.05	$ 3.70	$ 10.73	$ 10.89