Condensed Consolidated Statements of Income (unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Income Statement [Abstract]
Net sales	$ 908.8	$ 874.0	$ 1,743.6	$ 1,683.7
Cost of goods sold	615.3	590.9	1,190.2	1,148.8
Gross profit	293.5	283.1	553.4	534.9
Selling & administrative expenses	161.4	156.4	319.4	303.2
Operating income	132.1	126.7	234.0	231.7
Interest expense, net	(11.3)	(7.4)	(20.3)	(15.1)
Other (expense) income, net	(4.0)	(1.3)	(5.3)	(3.8)
Total other expense	(15.3)	(8.7)	(25.6)	(18.9)
Income before income taxes	116.8	118.0	208.4	212.8
Provision for income taxes	34.8	36.7	64.4	68.1
Net income	82.0	81.3	144.0	144.7
Less: Net income attributable to noncontrolling interest	1.0	1.2	2.1	2.2
Net income attributable to Hubbell	$ 81.0	$ 80.1	$ 141.9	$ 142.5
Earnings per share
Basic (USD per share)	$ 1.46	$ 1.39	$ 2.54	$ 2.46
Diluted (USD per share)	1.45	1.37	2.53	2.44
Cash dividends per common share (USD per share)	$ 0.63	$ 0.56	$ 1.26	$ 1.12