Earnings per Share

3 Months Ended

Mar. 31, 2017

Earnings Per Share [Abstract]

Earnings per Share

Earnings per Share

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

	Three Months Ended
	March 31,
	2017		2016
Numerator:
Net income used for calculating basic and diluted earnings per common share	$	36,433	$	44,987
Denominator:
Weighted average number of common shares used in the calculation of basic earnings per share	82,835		82,451
Common stock equivalents associated with stock-based compensation plans (1)	1,260		1,013
Shares used in the calculation of diluted earnings per share	84,095		83,464
Basic earnings per share	$	0.44	$	0.55
Diluted earnings per share	$	0.43	$	0.54

(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 0.4 million in each of the periods presented.