Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2017

Earnings Per Share [Abstract]

Summary of the computation of earnings per share

The following table sets forth the computation of earnings per share for the three and six months ended June 30, 2017 and 2016 (in millions, except per share amounts):

	Three Months Ended June 30,						Six Months Ended June 30,
	2017			2016			2017			2016
Numerator:
Net income attributable to Hubbell	$	79.1		$	81.0		$	141.9		$	141.9
Less: Earnings allocated to participating securities	(0.3		)	(0.2		)	(0.5		)	(0.4		)
Net income available to common shareholders	$	78.8		$	80.8		$	141.4		$	141.5
Denominator:
Average number of common shares outstanding	54.8			55.3			55.0			55.8
Potential dilutive common shares	0.3			0.3			0.3			0.2
Average number of diluted shares outstanding	55.1			55.6			55.3			56.0
Earnings per share:
Basic	$	1.44		$	1.46		$	2.57		$	2.54
Diluted	$	1.43		$	1.45		$	2.56		$	2.53