Earnings per Share

3 Months Ended

Mar. 31, 2016

Earnings per Share [Abstract]

Earnings per Share

(3)     Earnings per Share (EPS)

Basic EPS is calculated by dividing net income by the weighted-average number of common shares outstanding during the period, to which dilutive securities are included in the calculation of diluted EPS, using the treasury stock method. The calculations of the basic and diluted EPS for the three months ended March 31, 2016 and 2015 are presented below:

	Three Months Ended March 31,
(in thousands, except per share data)	2016		2015
Net income	$	15,400	$	5,126
Weighted-average common shares outstanding - basic		49,079		48,747
Effect of diluted stock options and unvested restricted stock		206		796
Weighted-average common shares outstanding - diluted		49,285		49,543
Net income per share:
Basic	$	0.31	$	0.11
Diluted	$	0.31	$	0.10
Anti-dilutive securities not included above		1,704		529