Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2012

Earnings Per Share

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

	Three Months Ended March,
	2012					2011
	Net Income (Numerator)		Shares (Denominator)	Per Share Amount		Net Income (Numerator)		Shares (Denominator)	Per Share Amount
Basic earnings per share	$	45,675	218,996	$	.21	$	105,903	217,992	$	.49
Dilutive stock option effect	—		1,148			—		1,850
5.125% convertible senior notes, net of tax	2,358		16,382			2,358		16,382
Diluted earnings per share	$	48,033	236,526	$	.20	$	108,261	236,224	$	.46