Condensed Consolidated Statements of Income (unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Net sales	$ 1,452.5	$ 1,365.9	$ 2,851.6	$ 2,651.3
Cost of goods sold	943.8	869.7	1,895.2	1,706.8
Gross profit	508.7	496.2	956.4	944.5
Selling & administrative expenses	207.5	208.4	426.7	407.9
Operating income	301.2	287.8	529.7	536.6
Interest expense, net	(19.8)	(9.2)	(40.9)	(18.9)
Loss on disposition of business	0.0	0.0	(5.3)	0.0
Other expense, net	(1.2)	(4.8)	(1.9)	(8.9)
Total other expense	(21.0)	(14.0)	(48.1)	(27.8)
Income before income taxes	280.2	273.8	481.6	508.8
Provision for income taxes	65.0	65.6	117.3	117.2
Net income	215.2	208.2	364.3	391.6
Less: Net income attributable to noncontrolling interest	(1.6)	(1.4)	(2.9)	(2.9)
Net income attributable to Hubbell Incorporated	$ 213.6	$ 206.8	$ 361.4	$ 388.7
Earnings per share:
Basic earnings per share (USD per share)	$ 3.97	$ 3.85	$ 6.72	$ 7.24
Diluted earnings per share (USD per share)	$ 3.94	$ 3.82	$ 6.67	$ 7.19