Condensed Consolidated Statements of Income (unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Income Statement [Abstract]
Net sales	$ 1,516.7	$ 1,365.2
Cost of goods sold	1,011.4	922.6
Gross profit	505.3	442.6
Selling & administrative expenses	241.5	212.2
Operating income	263.8	230.4
Interest expense, net	(22.0)	(13.8)
Other expense, net	(5.4)	(5.3)
Total other expense, net	(27.4)	(19.1)
Income before income taxes	236.4	211.3
Provision for income taxes	53.4	46.8
Net income	183.0	164.5
Less: Net income attributable to noncontrolling interest	(1.2)	(1.3)
Net income attributable to Hubbell Incorporated	$ 181.8	$ 163.2
Earnings per share:
Basic earnings per share (USD per share)	$ 3.42	$ 3.04
Diluted earnings per share (USD per share)	$ 3.41	$ 3.03