Net Income Per Share and Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2019

Calculation of basic and diluted earnings per share

The following table sets forth the computation of basic and diluted net income per share for the periods presented (in millions of dollars, except share and per share amounts):



	Quarter Ended				Nine Months Ended
	September 30,				September 30,
	2019		2018		2019		2018
Numerator:
Net income	$	25.4	$	21.7	$	72.6	$	68.1
Denominator – Weighted-average common shares outstanding (in thousands):
Basic	15,956		16,573		16,042		16,654
Add: dilutive effect of non-vested common shares, restricted stock units and performance shares¹	169		210		193		228
Diluted	16,125		16,783		16,235		16,882

Net income per common share, Basic:	$	1.59	$	1.31	$	4.52	$	4.09
Net income per common share, Diluted:	$	1.57	$	1.29	$	4.47	$	4.03

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During both the quarter and nine months ended September 30, 2019, a total of seven thousand securities were excluded from the weighted-average diluted shares computation as their inclusion would have been anti-dilutive. There were no anti-dilutive securities during both the quarter and nine months ended September 30, 2018.