Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2018

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):

	2018			2017			2016
Numerator:
Net income attributable to Hubbell	$	360.2		$	243.1		$	293.0
Less: Earnings allocated to participating securities	(1.3		)	(0.8		)	(0.9		)
Net income available to common shareholders	$	358.9		$	242.3		$	292.1
Denominator:
Average number of common shares outstanding	54.6			54.8			55.5
Potential dilutive shares	0.3			0.3			0.2
Average number of diluted shares outstanding	54.9			55.1			55.7
Earnings per share:
Basic	$	6.57		$	4.42		$	5.26
Diluted	$	6.54		$	4.39		$	5.24