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Basis of Presentation | 9 Months Ended
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Jun. 30, 2020
Basis of Presentation |
Basis of Presentation | 1. Basis of Presentation ​ The accompanying consolidated financial statements of AECOM (the Company) are unaudited and, in the opinion of management, include all adjustments, including all normal recurring items necessary for a fair statement of the Company’s financial position and results of operations for the periods presented. All intercompany balances and transactions are eliminated in consolidation. ​ The consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto included in the Company’s Form 10-K for the fiscal year ended September 30, 2019 (the Annual Report). The accompanying unaudited consolidated financial statements and related notes have been prepared in accordance with generally accepted accounting principles (GAAP) in the United States (U.S.) for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements. ​ The consolidated financial statements included in this report have been prepared consistently with the accounting policies described in the Annual Report, except as noted, and should be read together with the Annual Report. ​ The results of operations for the three and nine months ended June 30, 2020 are not necessarily indicative of the results to be expected for the fiscal year ending September 30, 2020. ​ On January 31, 2020, the Company completed the sale of its Management Services business to an affiliate of American Securities LLC and Lindsay Goldberg LLC for total consideration of approximately $2.4 billion. Additionally, as discussed in more detail in Note 3, the Company concluded that its self-perform at-risk construction businesses met the criteria for held for sale beginning in the first quarter of fiscal year 2020. Collectively, the Management Services business and the self-perform at-risk construction businesses met the criteria for discontinued operation classification. As a result, the Management Services business and the self-perform at-risk construction businesses are presented in the consolidated statements of operations as discontinued operations for all periods presented. Current and non-current assets and liabilities of these businesses not sold as of the balance sheet date are presented in the consolidated balance sheets as assets and liabilities held for sale. ​ The Company reports its annual results of operations based on 52 or 53-week periods ending on the Friday nearest September 30. The Company reports its quarterly results of operations based on periods ending on the Friday nearest December 31, March 31, and June 30. For clarity of presentation, all periods are presented as if the periods ended on September 30, December 31, March 31, and June 30.

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