Net Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2013

Net Earnings Per Share

Schedule of reconciliation of basic and diluted net income per share

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

	Three Months Ended March 31,
	2013		2012
Basic net income per share:
Numerator
Net income	$	39,996	$	26,927
Denominator
Weighted-average common shares outstanding	101,260,614		100,717,302
Basic net income per share	$	0.39	$	0.27
Diluted net income per share:
Numerator
Net income	$	39,996	$	26,927
Assumed conversion of convertible senior notes	1,407		1,480
Net income plus assumed conversions	$	41,403	$	28,407
Denominator
Number of shares used in basic computation	101,260,614		100,717,302
Weighted-average effect of dilutive securities	7,086,271		6,709,487
Number of shares used in per share computation	108,346,885		107,426,789
Diluted net income per share	$	0.38	$	0.26