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Basis of Presentation | 3 Months Ended
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Mar. 31, 2013
Basis of Presentation |
Basis of Presentation | 1. Basis of Presentation Principles of Consolidation The accompanying unaudited consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles for interim financial information and with the instructions of Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by U.S. generally accepted accounting principles for complete financial statements. In the opinion of management, all adjustments, consisting only of normal recurring adjustments necessary for a fair presentation with respect to the interim financial statements, have been included. The results of operations for the three months ended March 31, 2013 are not necessarily indicative of the results for the full year ending December 31, 2013. For further information, refer to the consolidated financial statements and footnotes thereto for the year ended December 31, 2012, included in Reliance Steel & Aluminum Co.’s (“Reliance”, the “Company”, “we”, “our” or “us”) Annual Report on Form 10-K. The preparation of financial statements in conformity with U.S. generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts and the disclosure of contingent amounts in our consolidated financial statements and the accompanying notes. Actual results could differ from those estimates. Our consolidated financial statements include the assets, liabilities and operating results of majority-owned subsidiaries. The ownership of the other interest holders of consolidated subsidiaries is reflected as noncontrolling interests. Our investments in unconsolidated subsidiaries are recorded under the equity method of accounting. All significant intercompany accounts and transactions have been eliminated.

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