Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2015

Earnings Per Share [Abstract]

Net Income Per Share Basic And Diluted

The following table sets forth the computation of basic and diluted net income per share (in thousands, except per share information):

	Year Ended December 31,
	2015		2014		2013
Numerator:
Net income	$	319,361	$	251,723	$	339,523
Denominator:
Denominator for basic earnings per share - weighted-average shares outstanding	158,874		169,879		186,672
Effect of dilutive employee stock awards:
Employee stock awards	1,488		1,391		1,573
Denominator for diluted earnings per share - weighted-average shares outstanding	160,362		171,270		188,245
Basic earnings per share	$	2.01	$	1.48	$	1.82
Diluted earnings per share	$	1.99	$	1.47	$	1.80
Anti-dilutive weighted-average shares	2,151		3,026		3,647