Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 282.1	$ 327.2	$ 329.8
Other comprehensive (loss) income:
Foreign currency translation adjustments	(45.5)	(35.7)	(15.0)
Pension and post retirement benefit plans’ service costs and net actuarial (losses) gains, net of taxes of $10.7, $33.9 and ($38.7)	(15.5)	(57.7)	63.1
Unrealized loss on investments, net of taxes of $0.2, $0.0 and $0.2	(0.3)	(0.1)	(0.3)
Unrealized gains (losses) on cash flow hedges, net of taxes of ($0.3), ($0.1) and ($0.1)	1.4	0.2	0.3
Other comprehensive (loss) income	(59.9)	(93.3)	48.1
Comprehensive income	222.2	233.9	377.9
Less: Comprehensive income attributable to noncontrolling interest	4.8	1.9	3.3
COMPREHENSIVE INCOME ATTRIBUTABLE TO HUBBELL	$ 217.4	$ 232.0	$ 374.6