Basis of Presentation	6 Months Ended
Jun. 30, 2013
Basis of Presentation
Basis of presentation	NOTE 1 – BASIS OF PRESENTATION The accompanying unaudited condensed consolidated financial statements of O’Reilly Automotive, Inc. and its subsidiaries (the “Company” or “O’Reilly”) have been prepared in accordance with United States generally accepted accounting principles (“U.S. GAAP”) for interim financial information and the instructions to 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, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation have been included. Operating results for the three and six months ended June 30, 2013, are not necessarily indicative of the results that may be expected for the year ended December 31, 2013. For further information, refer to the consolidated financial statements and footnotes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2012. Subsequent Event: On July 2, 2013, the Company entered into an amendment to its credit agreement for its unsecured revolving credit facility and an amendment to the corresponding guaranty. The amendments extended the maturity date of the credit facility to July 2, 2018, and reduced the facility fee and interest rate margins on borrowings. Please see Note 4 for additional details.

NOTE 1 – BASIS OF PRESENTATION

The accompanying unaudited condensed consolidated financial statements of O’Reilly Automotive, Inc. and its subsidiaries (the “Company” or “O’Reilly”) have been prepared in accordance with United States generally accepted accounting principles (“U.S. GAAP”) for interim financial information and the instructions to 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, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation have been included. Operating results for the three and six months ended June 30, 2013, are not necessarily indicative of the results that may be expected for the year ended December 31, 2013. For further information, refer to the consolidated financial statements and footnotes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2012.

Subsequent Event:

On July 2, 2013, the Company entered into an amendment to its credit agreement for its unsecured revolving credit facility and an amendment to the corresponding guaranty. The amendments extended the maturity date of the credit facility to July 2, 2018, and reduced the facility fee and interest rate margins on borrowings. Please see Note 4 for additional details.