Condensed Consolidated Statement of Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Condensed Consolidated Statement of Comprehensive Income [Abstract]
Net income	$ 97.2	$ 87.6	$ 247.0	$ 229.2
Foreign currency translation adjustments	10.4	12.5	(11.4)	8.9
Amortization of pension and post retirement benefit plans' prior service costs and net actuarial losses, net of tax	2.0	2.8	6.3	7.9
Change in unrealized gains on investments, net of tax	0	0	(0.3)	(0.2)
Change in unrealized (losses) gains on cash flow hedges, net of tax	(0.4)	(0.5)	0.1	(0.6)
Other Comprehensive Income	12.0	14.8	(5.3)	16.0
Total comprehensive income	109.2	102.4	241.7	245.2
Less: Comprehensive income attributable to noncontrolling interest	0.7	0.5	2.5	1.4
Comprehensive income attributable to Hubbell	$ 108.5	$ 101.9	$ 239.2	$ 243.8

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