Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2013

Earnings Per Share

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

The following table presents a reconciliation of the numerators and the denominators of the company’s basic and diluted earnings per share computations for net income attributable to Steel Dynamics, Inc. (in thousands, except per share data):

	Three Months Ended September 30,
	2013					2012
	Net Income (Numerator)		Shares (Denominator)	Per Share Amount		Net Income (Numerator)		Shares (Denominator)	Per Share Amount
Basic earnings per share	$	57,486	220,926	$	0.26	$	12,833	219,191	$	0.06
Dilutive common share equivalents	—		1,366			—		853
5.125% convertible senior notes, net of tax	2,358		16,709			—		—
Diluted earnings per share	$	59,844	239,001	$	0.25	$	12,833	220,044	$	0.06

	Nine Months Ended September 30,
	2013					2012
	Net Income (Numerator)		Shares (Denominator)	Per Share Amount		Net Income (Numerator)		Shares (Denominator)	Per Share Amount
Basic earnings per share	$	134,659	220,464	$	0.61	$	102,980	219,097	$	0.47
Dilutive common share equivalents	—		1,363			—		908
5.125% convertible senior notes, net of tax	7,074		16,670			7,074		16,531
Diluted earnings per share	$	141,733	238,497	$	0.59	$	110,054	236,536	$	0.47