Earnings per Share

9 Months Ended

Sep. 30, 2014

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				Nine Months Ended
	September 30,				September 30,
	2014		2013		2014		2013
Numerator:
Net income used for calculating basic and diluted earnings per share	$	33,846	$	38,194	$	124,622	$	121,383
Denominator:
Weighted average number of common shares used in the calculation of basic earnings per share	88,513		92,689		89,901		93,286
Common stock equivalents associated with stock-based compensation plans (1)	1,195		1,666		1,372		1,814
Shares used in the calculation of diluted earnings per share	89,708		94,355		91,273		95,100
Basic earnings per share	$	0.38	$	0.41	$	1.39	$	1.30
Diluted earnings per share	$	0.38	$	0.40	$	1.37	$	1.28

(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 shares totaled less than 0.4 million in each of the periods presented.