Condensed Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Condensed Consolidated Statements of Comprehensive Income [Abstract]
Net income	$ 63.4	$ 65.3
Other comprehensive income (loss):
Foreign currency translation adjustments	(23.8)	2.7
Pension and post retirement benefit plans’ service costs and net actuarial gains, net of taxes of $(1.0) and $(0.3)	1.7	0.5
Unrealized loss on investments, net of taxes	0	(0.1)
Unrealized gain (loss) on cash flow hedges, net of taxes of ($0.2) and ($0.1)	0.7	0.2
Other comprehensive income (loss)	(21.4)	3.3
Total comprehensive income	42.0	68.6
Less: Comprehensive income attributable to noncontrolling interest	1.0	1.1
Comprehensive income attributable to Hubbell	$ 41.0	$ 67.5