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Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2012
Income Statement [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue | $ 2,562,500 | $ 1,968,200 | $ 1,872,200 | $ 1,953,900 | $ 2,079,100 | $ 2,067,500 | $ 1,989,600 | $ 2,017,300 | $ 8,356,783 | $ 8,153,495 | $ 8,218,180
Cost of revenue | 2,433,400 | 1,859,700 | 1,784,800 | 1,875,700 | 1,938,900 | 1,935,700 | 1,889,700 | 1,939,200 | 7,953,607 | 7,703,507 | 7,796,321
Gross profit | 129,100 | 108,500 | 87,400 | 78,200 | 140,200 | 131,800 | 99,900 | 78,100 | 403,176 | 449,988 | 421,859
Equity in (losses) earnings of joint ventures | 8,400 | 6,000 | 7,400 | 36,100 | 6,400 | 4,100 | 7,900 | 5,900 | 57,924 | 24,319 | 48,650
General and administrative expenses | (15,500) | (15,100) | (26,400) | (23,900) | (23,900) | (24,000) | (27,300) | (22,100) | (80,908) | (97,318) | (80,903)
Acquisition and integration expenses | (19,500) | (7,800) |  |  |  |  |  |  | (27,310) |  |
Goodwill impairment |  |  |  |  |  |  |  |  |  |  | (336,000)
Income (Loss) from operations | 102,500 | 91,600 | 68,400 | 90,400 | 122,700 | 111,900 | 80,500 | 61,900 | 352,882 | 376,989 | 53,606
Other (expense) income | 1,900 | 1,000 | (200) |  | 1,500 | 1,200 | 100 | 700 | 2,748 | 3,522 | 10,603
Interest expense | (10,100) | (9,800) | (10,500) | (10,400) | (10,200) | (11,700) | (11,900) | (10,900) | (40,842) | (44,737) | (46,726)
(Loss) income before income tax expense | 94,300 | 82,800 | 57,700 | 80,000 | 114,000 | 101,400 | 68,700 | 51,700 | 314,788 | 335,774 | 17,483
Income tax (benefit) expense | 29,600 | 13,700 | 15,200 | 23,500 | 35,800 | 30,100 | 14,000 | 12,700 | 82,024 | 92,578 | 74,416
Net income (loss) | 64,700 | 69,100 | 42,500 | 56,500 | 78,200 | 71,300 | 54,700 | 39,000 | 232,764 | 243,196 | (56,933)
Noncontrolling interests in income of consolidated subsidiaries, net of tax | (600) | 100 | (2,300) | (100) | (1,700) | (500) | (900) | (900) | (2,910) | (3,953) | (1,634)
Net income (loss) attributable to AECOM | $ 64,100 | $ 69,200 | $ 40,200 | $ 56,400 | $ 76,500 | $ 70,800 | $ 53,800 | $ 38,100 | $ 229,854 | $ 239,243 | $ (58,567)
Net (loss) income attributable to AECOM per share: |  |  |  |  |  |  |  |  |  |  |
Basic (in dollars per share) | $ 0.65 | $ 0.71 | $ 0.41 | $ 0.59 | $ 0.78 | $ 0.71 | $ 0.54 | $ 0.36 | $ 2.36 | $ 2.38 | $ (0.52)
Diluted (in dollars per share) | $ 0.64 | $ 0.70 | $ 0.41 | $ 0.58 | $ 0.77 | $ 0.70 | $ 0.53 | $ 0.36 | $ 2.33 | $ 2.35 | $ (0.52)
Weighted average shares outstanding: |  |  |  |  |  |  |  |  |  |  |
Basic (in shares) | 98,100 | 97,500 | 97,000 | 96,300 | 98,000 | 99,300 | 100,400 | 104,800 | 97,226 | 100,618 | 111,875
Diluted (in shares) | 99,700 | 99,000 | 98,300 | 97,600 | 99,700 | 100,800 | 101,800 | 105,500 | 98,657 | 101,942 | 111,875

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