Earnings Per Share

3 Months Ended

Mar. 31, 2018

The Company computes earnings per share using the two-class method, which is an earnings allocation formula that determines earnings per share for common stock and participating securities. Service-based and performance-based restricted stock awards granted by the Company are considered participating securities as these awards contain a non-forfeitable right to dividends.

The following table sets forth the computation of earnings per share for the three months ended March 31, 2018 and 2017 (in millions, except per share amounts):



	Three Months Ended March 31,
	2018			2017
Numerator:
Net income attributable to Hubbell	$	58.3		$	62.8
Less: Earnings allocated to participating securities	(0.2		)	(0.2		)
Net income available to common shareholders	$	58.1		$	62.6
Denominator:
Average number of common shares outstanding	54.7			55.2
Potential dilutive common shares	0.4			0.4
Average number of diluted shares outstanding	55.1			55.6
Earnings per share:
Basic	$	1.06		$	1.13
Diluted	$	1.05		$	1.13

The Company did not have outstanding any significant anti-dilutive securities during the three months ended March 31, 2018 and 2017.