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Summary of Significant Accounting Policies
6 Months Ended
Jun. 30, 2023
Summary of Significant Accounting Policies  
Summary of Significant Accounting Policies

Note 1. Summary of Significant Accounting Policies

Principles of Consolidation

The accompanying unaudited consolidated financial statements include the accounts of Reliance Steel & Aluminum Co. and its subsidiaries (collectively “Reliance”, the “Company”, “we”, “our” or “us”). These financial statements have been prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”) 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. GAAP for complete financial statements. In the opinion of management, the consolidated financial statements reflect all material adjustments, which are of a normal recurring nature, necessary for presentation of financial statements for interim periods in accordance with U.S. GAAP. Interim results are not necessarily indicative of the results for a full year. All significant intercompany accounts and transactions have been eliminated. The ownership of the other interest holders of consolidated subsidiaries is reflected as noncontrolling interests. Investments in unconsolidated subsidiaries are recorded under the equity method of accounting. These consolidated financial statements and accompanying notes should be read in conjunction with the consolidated financial statements and accompanying notes included in Reliance’s Annual Report on Form 10-K for the fiscal year ended December 31, 2022.

The preparation of financial statements in conformity with U.S. GAAP 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. The Company bases its estimates on historical experience and on various other assumptions that the Company believes to be reasonable under the circumstances. Actual results could differ from those estimates.

Inventories

The majority of our inventory is valued using the last-in, first-out (“LIFO”) method, which is not in excess of market. Under this method, older costs are included in inventory, which may be higher or lower than current costs. We estimate the effect of LIFO on interim periods by allocating the projected year-end LIFO calculation to interim periods on a pro rata basis.