Changes in Equity (Tables)

6 Months Ended

Jun. 30, 2011

Changes in Equity

Schedule of Stockholders Equity

				Stockholders of Steel Dynamics, Inc.
	Total			Common		Additional Paid-In		Retained			Treasury			Noncontrolling
	Equity			Stock		Capital		Earnings			Stock			Interests
Balances at January 1, 2011	$	2,076,835		$	633	$	998,728	$	1,821,133		$	(727,624	)	$	(16,035	)
Proceeds from the exercise of stock options, including related tax effect	12,865			3		12,862
Dividends declared	(43,695		)					(43,695		)
Equity-based compensation and issuance of restricted stock	9,246					7,471					1,775
Contributions from noncontrolling investors	2,393													2,393
Distributions to noncontrolling investor	(506		)											(506		)
Net and comprehensive income (loss)	200,056							204,613						(4,557		)
Balances at June 30, 2011	$	2,257,194		$	636	$	1,019,061	$	1,982,051		$	(725,849	)	$	(18,705	)