Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2013

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):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2013		2012		2013		2012
Numerator:
Net income	$	64,461	$	92,006	$	124,149	$	160,273
Denominator:
Denominator for basic earnings per share — weighted-average shares outstanding	187,229		186,372		186,945		186,052
Effect of dilutive employee stock awards	1,257		2,907		1,805		3,030
Denominator for diluted earnings per share — weighted-average shares outstanding	188,486		189,279		188,750		189,082
Basic earnings per share	$	0.34	$	0.49	$	0.66	$	0.86
Diluted earnings per share	$	0.34	$	0.49	$	0.66	$	0.85
Anti-dilutive weighted-average shares	6,270		3,326		4,689		4,103