Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2014

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,
	2014		2013		2012
Numerator:
Net income	$	251,723	$	339,523	$	352,547
Denominator:
Denominator for basic earnings per share - weighted-average shares outstanding	169,879		186,672		186,722
Effect of dilutive employee stock awards:
Employee stock awards	1,391		1,573		2,407
Denominator for diluted earnings per share - weighted-average shares outstanding	171,270		188,245		189,129
Basic earnings per share	$	1.48	$	1.82	$	1.89
Diluted earnings per share	$	1.47	$	1.80	$	1.86
Anti-dilutive weighted-average shares	3,026		3,647		3,464