Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2011

Earnings Per Share

Schedule of reconciliation of the numerators and denominators used in calculating basic and diluted earnings per share

	Three Months Ended September 30,
	2011					2010
	Net Income (Numerator)		Shares (Denominator)	Per Share Amount		Net Income (Numerator)		Shares (Denominator)	Per Share Amount
Basic earnings per share	$	43,304	218,674	$	.20	$	18,741	216,881	$	.09
Dilutive stock option effect	—		703			—		1,280
5.125% convertible senior notes, net of tax	2,358		16,382			2,377		16,382
Diluted earnings per share	$	45,662	235,759	$	.19	$	21,118	234,543	$	.09

	Nine Months Ended September 30,
	2011					2010
	Net Income (Numerator)		Shares (Denominator)	Per Share Amount		Net Income (Numerator)		Shares (Denominator)	Per Share Amount
Basic earnings per share	$	247,917	218,389	$	1.14	$	132,917	216,600	$	.61
Dilutive stock option effect	—		1,312			—		1,619
5.125% convertible senior notes, net of tax	7,074		16,382			7,131		16,382
Diluted earnings per share	$	254,991	236,083	$	1.08	$	140,048	234,601	$	.60