Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2012

Mar. 31, 2011

Table Text Block [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

		Three Months Ended
		March 31
		2012		2011
Numerator:
	Net income attributable to Hubbell	$	63.2	$	50.3
	Less: Earnings allocated to participating securities		0.2		0.2
	Net income available to common shareholders		63.0		50.1
Denominator:
	Average number of common shares outstanding		59.2		60.4
	Potential dilutive shares		0.7		0.8
	Average number of diluted shares outstanding		59.9		61.2
Earnings per share:
	Basic	$	1.06	$	0.83
	Diluted	$	1.05	$	0.82

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

Anti-dilutive securities excluded from the calculation of earnings per diluted share:Stock options and performance shares - -Stock appreciation rights - -

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