Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2012

Earnings Per Share [Abstract]

Computations Of Basic And Diluted Net Income Per Share

The following table sets forth the computations of basic and diluted net income per share for the three and six months ended June 30, 2012 and 2011 (table in thousands, except per share data):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2012		2011		2012		2011
Net income	$	191,729	$	220,158	$	383,165	$	345,970
Weighted-average shares, basic for Class A and Class B	427,223		419,657		426,106		418,557
Effect of dilutive securities	7,424		10,816		7,908		11,427
Weighted-average shares, diluted for Class A and Class B	434,647		430,473		434,014		429,984
Net income per weighted-average share, basic for Class A and Class B	$	0.45	$	0.52	$	0.90	$	0.83
Net income per weighted-average share, diluted for Class A and Class B	$	0.44	$	0.51	$	0.88	$	0.80