Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2017

Earnings Per Share [Abstract]

Schedule of Earnings Per Share

The following table sets forth the computation of earnings per share for the three years ended December 31 (in millions, except per share amounts):

	2017			2016			2015
Numerator:
Net income attributable to Hubbell	$	243.1		$	293.0		$	277.3
Less: Earnings allocated to participating securities	(0.8		)	(0.9		)	(0.7		)
Net income available to common shareholders	$	242.3		$	292.1		$	276.6
Denominator:
Average number of common shares outstanding	54.8			55.5			57.7
Potential dilutive shares	0.3			0.2			0.3
Average number of diluted shares outstanding	55.1			55.7			58.0
Earnings per share:
Basic	$	4.42		$	5.26		$	4.79
Diluted	$	4.39		$	5.24		$	4.77