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Joint Ventures and Variable Interest Entities - Unconsolidated (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2017
Financial Information |  |  |
Current assets | $ 6,842,040 |  | $ 6,682,222
TOTAL ASSETS | 14,622,951 |  | 14,396,956
Current liabilities | 5,676,057 |  | 5,578,379
TOTAL LIABILITIES | 10,292,170 |  | 10,182,270
Total AECOM equity | 4,104,369 |  | 3,996,126
Noncontrolling interests | 226,412 |  | 218,560
TOTAL STOCKHOLDERS' EQUITY | 4,330,781 |  | 4,214,686
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY | 14,622,951 |  | 14,396,956
AECOM's investment in joint ventures | 370,294 |  | 364,223
Joint ventures summarized financial information |  |  |
Revenue | 4,910,832 | $ 4,358,349 |
Cost of revenue | 4,774,680 | 4,188,376 |
Gross profit | 136,152 | 169,973 |
Net income | 124,413 | 65,778 |
Unconsolidated Joint Ventures |  |  |
Financial Information |  |  |
Current assets | 2,069,600 |  | 1,912,200
Non-current assets | 787,500 |  | 749,800
TOTAL ASSETS | 2,857,100 |  | 2,662,000
Current liabilities | 1,726,400 |  | 1,570,200
Non-current liabilities | 177,000 |  | 185,100
TOTAL LIABILITIES | 1,903,400 |  | 1,755,300
TOTAL STOCKHOLDERS' EQUITY | 953,700 |  | 906,700
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY | 2,857,100 |  | 2,662,000
AECOM's investment in joint ventures | 370,300 |  | $ 364,200
Joint ventures summarized financial information |  |  |
Revenue | 1,478,600 | 1,142,000 |
Cost of revenue | 1,395,200 | 1,085,800 |
Gross profit | 83,400 | 56,200 |
Net income | $ 82,100 | $ 54,300 |

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