Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2019

Earnings Per Share [Abstract]

Schedule of basic and diluted EPS calculations

The basic and diluted EPS calculations for the three and nine months ended September 30, 2019 and 2018 are presented below:

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands, except per share amounts)	2019		2018		2019		2018
Income attributable to common stockholders	$	33,597	$	35,858	$	89,646	$	91,622
Weighted average common shares outstanding, basic	66,685		67,329		66,681		67,246
Effect of dilutive securities:
Restricted stock units (a)	544		399		450		321
Stock options	132		166		109		155
Restricted stock	—		2		—		21
Weighted average common shares outstanding, diluted	67,361		67,896		67,240		67,743
Basic income per common share	$	0.50	$	0.53	$	1.34	$	1.36
Diluted income per common share	$	0.50	$	0.53	$	1.33	$	1.35

(a) Includes service-based and contingently issuable performance-based restricted stock units.