Condensed Consolidated Statements of Comprehensive Income (unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 81.3	$ 90.8	$ 144.7	$ 156.1
Other comprehensive income (loss):
Foreign currency translation adjustments	13.6	10.0	(10.2)	12.7
Pension and post retirement benefit plans’ prior service costs and net actuarial gains, net of taxes of ($0.9) and ($0.2)	1.8	0.4	3.5	0.9
Unrealized loss on investments, net of taxes of $0.0 and $0.0	(0.1)	0.1	(0.1)	0.0
Unrealized gain (loss) on cash flow hedges, net of taxes of $0.1 and $0.3	(0.7)	(0.6)	0.0	(0.4)
Other comprehensive income (loss)	14.6	9.9	(6.8)	13.2
Total comprehensive income	95.9	100.7	137.9	169.3
Less: Comprehensive income attributable to noncontrolling interest	1.2	0.6	2.2	1.7
Comprehensive income attributable to Hubbell	$ 94.7	$ 100.1	$ 135.7	$ 167.6