CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Current assets
Cash and equivalents	$ 342,919	$ 395,156
Accounts receivable, net	760,654	664,208
Accounts receivable-related parties	50,446	56,392
Inventories	1,332,101	1,314,747
Deferred income taxes	17,871	17,964
Other current assets	24,363	25,167
Total current assets	2,528,354	2,473,634
Property, plant and equipment, net	2,197,503	2,226,134
Restricted cash	18,588	23,827
Intangible assets, net	379,488	386,159
Goodwill	730,360	731,996
Other assets	59,564	91,256
Total assets	5,913,857	5,933,006
Current liabilities
Accounts payable	401,539	404,605
Accounts payable-related parties	15,629	10,327
Income taxes payable	23,531	4,023
Accrued payroll and benefits	57,384	93,432
Accrued interest	21,911	31,363
Accrued expenses	87,715	89,884
Current maturities of long-term debt	343,722	341,544
Total current liabilities	951,431	975,178
Long-term debt
Term note	209,687	220,000
Senior notes	1,500,000	1,500,000
Other long-term debt	45,341	46,045
Total long-term debt	1,755,028	1,766,045
Deferred income taxes	550,225	556,038
Other liabilities	22,843	23,376
Commitments and contingencies
Redeemable noncontrolling interests	121,834	116,514
Equity
Common stock voting, $.0025 par value; 900,000,000 shares authorized; 259,046,646 and 258,840,350 shares issued; and 223,173,055 and 222,867,408 shares outstanding, as of March 31, 2014 and December 31, 2013, respectively	646	645
Treasury stock, at cost; 35,873,591 and 35,972,942 shares, as of March 31, 2014 and December 31, 2013, respectively	(716,545)	(718,529)
Additional paid-in capital	1,092,281	1,085,694
Retained earnings	2,192,413	2,179,513
Total Steel Dynamics, Inc. equity	2,568,795	2,547,323
Noncontrolling interests	(56,299)	(51,468)
Total equity	2,512,496	2,495,855
Total liabilities and equity	$ 5,913,857	$ 5,933,006