Condensed Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Condensed Consolidated Statements of Comprehensive Income [Abstract]
Net income	$ 90.5	$ 97.2	$ 246.6	$ 247.0
Foreign currency translation adjustments	(24.2)	10.4	(11.5)	(11.4)
Amortization of pension and post retirement benefit plans' prior service costs and net actuarial losses, net of tax	0.7	2.0	1.6	6.3
Change in unrealized gains on investments, net of tax	0	0	0	(0.3)
Change in unrealized (losses) gains on cash flow hedges, net of tax	0.5	(0.4)	0.1	0.1
Other Comprehensive Income	(23.0)	12.0	(9.8)	(5.3)
Total comprehensive income	67.5	109.2	236.8	241.7
Less: Comprehensive income attributable to noncontrolling interest	0.9	0.7	2.6	2.5
Comprehensive income attributable to Hubbell	$ 66.6	$ 108.5	$ 234.2	$ 239.2