Net Income per Share (Tables)

12 Months Ended

Dec. 31, 2013

Schedule of Components Used in Diluted and Basic Income Per Common Share

The following table sets forth the components used in the computation of basic and diluted net income per common share for the years ended December 31, 2013, 2012 and 2011 (in thousands, except per share data):



	2013		2012		2011
Numerator:
Net income	$	293,487	$	203,989	$	200,904
Denominator:
Shares used for basic net income per share	178,196		177,900		183,866
Effect of dilutive securities:
Stock options	1,622		2,182		2,550
Restricted stock units and deferred stock units	1,965		1,667		1,140
Shares used for diluted net income per share	181,783		181,749		187,556
Basic net income per common share	$	1.65	$	1.15	$	1.09
Diluted net income per common share	$	1.61	$	1.12	$	1.07

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The potentially outstanding shares excluded from the computation of diluted earnings per share are as follows for the years ended December 31, 2013, 2012 and 2011 (in thousands):



	2013	2012	2011
Options	1,649	2,551	3,335
Service-based restricted stock units	188	1,154	906
Performance-based restricted stock units	985	1,734	2,637
Total shares excluded from computation	2,822	5,439	6,878