Condensed Consolidated Statements of Income (unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Net sales	$ 1,285.4	$ 1,156.1
Cost of goods sold	837.1	833.0
Gross profit	448.3	323.1
Selling & administrative expenses	199.5	180.2
Operating income	248.8	142.9
Interest expense, net	(9.7)	(13.1)
Other (expense) income, net	(4.1)	3.6
Total other expense	(13.8)	(9.5)
Income from continuing operations before income taxes	235.0	133.4
Provision for income taxes	51.6	29.6
Net income from continuing operations	183.4	103.8
Less: Net income from continuing operations attributable to noncontrolling interest	(1.5)	(1.3)
Net income from continuing operations attributable to Hubbell Incorporated	181.9	102.5
Income from discontinued operations, net of tax (Note 2)	0.0	77.7
Net Income attributable to Hubbell Incorporated	$ 181.9	$ 180.2
Earnings per share:
Basic earnings per share from continuing operations (USD per share)	$ 3.39	$ 1.89
Basic earnings per share from discontinued operations (USD per share)	0	1.43
Basic earnings per share (USD per share)	3.39	3.32
Diluted earnings per share from continuing operations (USD per share)	3.37	1.88
Diluted earnings per share from discontinued operations (USD per share)	0	1.43
Diluted earnings per share (USD per share)	3.37	3.31
Cash dividends per common share (USD per share)	$ 1.12	$ 1.05