Quarterly Financial Information (unaudited, in thousands, except per share data) (Tables)

12 Months Ended

Dec. 31, 2012

Quarterly Financial Information (unaudited, in thousands, except per share data)

Schedule of quarterly financial information

Quarterly Financial Information (unaudited, in thousands, except per share data)

	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter
2012:
Net sales	$	1,982,040	$	1,909,803	$	1,693,390	$	1,705,001
Gross profit		201,264		182,136		156,401		180,097
Operating income		119,816		103,699		72,721		94,929
Net income		41,777		39,305		6,105		55,094
Net income attributable to Steel Dynamics, Inc.		45,675		44,472		12,833		60,571
Earnings per share:
Basic		.21		.20		.06		.28
Diluted		.20		.20		.06		.27
2011:
Net sales	$	2,015,969	$	2,079,731	$	2,043,455	$	1,858,345
Gross profit		295,754		276,386		199,243		160,135
Operating income		205,326		188,219		108,785		82,490
Net income		104,230		95,826		39,857		25,779
Net income attributable to Steel Dynamics, Inc.		105,903		98,710		43,304		30,203
Earnings per share:
Basic		.49		.45		.20		.14
Diluted		.46		.43		.19		.14