Earnings per Share (Tables)

9 Months Ended

Sep. 30, 2016

Earnings Per Share [Abstract]

Schedule of earnings per share reconciliation

The following table sets forth the calculations of basic and diluted earnings per share (in thousands, except per share data):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2016		2015		2016		2015
Numerator:
Net income used for calculating basic and diluted earnings per common share	$	30,484	$	30,366	$	127,097	$	109,872
Denominator:
Weighted average number of common shares used in the calculation of basic earnings per share	82,638		82,989		82,549		84,244
Common stock equivalents associated with stock-based compensation plans (1)	1,165		1,124		1,212		1,191
Shares used in the calculation of diluted earnings per share	83,803		84,113		83,761		85,435
Basic earnings per share	$	0.37	$	0.37	$	1.54	$	1.30
Diluted earnings per share	$	0.36	$	0.36	$	1.52	$	1.29

(1) Certain common stock equivalents were not included in the computation of diluted earnings per share because the effect would have been anti-dilutive. These common share equivalents totaled less than 0.2 million in each of the periods presented.