Earnings Per Share (Tables)

6 Months Ended

Jun. 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 June 30,
	2013					2012
	Net Income (Numerator)		Shares (Denominator)	Per Share Amount		Net Income (Numerator)		Shares (Denominator)	Per Share Amount
Basic earnings per share	$	28,958	220,471	$	0.13	$	44,472	219,104	$	0.20
Dilutive common share equivalents	—		1,265			—		722
5.125% convertible senior notes, net of tax	—		—			2,358		16,382
Diluted earnings per share	$	28,958	221,736	$	0.13	$	46,830	236,208	$	0.20

	Six Months Ended June 30,
	2013					2012
	Net Income (Numerator)		Shares (Denominator)	Per Share Amount		Net Income (Numerator)		Shares (Denominator)	Per Share Amount
Basic earnings per share	$	77,173	220,233	$	0.35	$	90,147	219,050	$	0.41
Dilutive common share equivalents	—		1,363			—		935
5.125% convertible senior notes, net of tax	4,716		16,650			4,716		16,382
Diluted earnings per share	$	81,889	238,246	$	0.34	$	94,863	236,367	$	0.40