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Reportable Segments $ in Thousands | 3 Months Ended | 6 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2015 USD ($) segment | Dec. 31, 2014 | Jun. 30, 2014 USD ($) | Mar. 31, 2014 | Mar. 31, 2014 | Jun. 30, 2015 USD ($) segment | Jun. 30, 2014 USD ($) | Sep. 30, 2014 USD ($)
Summarized financial information concerning the Company's reportable segments |  |  |  |  |  |  |  |
Number of reportable segments | segment | 3 |  |  |  |  | 3 |  |
Revenue | $ 4,549,578 |  | $ 1,968,155 |  |  | $ 13,266,243 | $ 5,794,254 |
Gross profit | 126,518 |  | 108,540 |  |  | 364,560 | 274,145 |
Equity in earnings of joint ventures | 27,776 |  | 5,896 |  |  | 76,328 | 49,415 |
General and administrative expenses | (24,418) |  | (15,067) |  |  | (88,553) | (65,361) |
Acquisition and integration expenses | (88,495) |  | (7,837) |  |  | (318,557) | (7,837) |
Operating income | 41,381 |  | 91,532 |  |  | $ 33,778 | 250,362 |
Gross profit as a % of revenue |  | 2.80% |  | 5.50% | 4.70% | 2.70% |  |
Total Assets | 14,236,126 |  |  |  |  | $ 14,236,126 |  | $ 6,123,377
Corporate |  |  |  |  |  |  |  |
Summarized financial information concerning the Company's reportable segments |  |  |  |  |  |  |  |
General and administrative expenses | (24,400) |  | (15,100) |  |  | (88,500) | (65,400) |
Acquisition and integration expenses | (88,500) |  | (7,800) |  |  | (318,600) | (7,800) |
Operating income | (112,900) |  | (22,900) |  |  | (407,100) | (73,200) |
Total Assets | 634,500 |  |  |  |  | 634,500 |  | 365,000
Design and Consulting Services |  |  |  |  |  |  |  |
Summarized financial information concerning the Company's reportable segments |  |  |  |  |  |  |  |
Revenue | 1,993,500 |  | 1,339,800 |  |  | 5,921,100 | 3,948,100 |
Gross profit | 101,100 |  | 92,700 |  |  | 200,400 | 223,000 |
Equity in earnings of joint ventures | 3,000 |  | 1,000 |  |  | 3,100 | 33,400 |
Operating income | $ 104,100 |  | $ 93,700 |  |  | $ 203,500 | $ 256,400 |
Gross profit as a % of revenue | 5.10% |  | 6.90% |  |  | 3.40% | 5.60% |
Total Assets | $ 7,232,700 |  |  |  |  | $ 7,232,700 |  | 4,064,500
Construction Services |  |  |  |  |  |  |  |
Summarized financial information concerning the Company's reportable segments |  |  |  |  |  |  |  |
Revenue | 1,704,400 |  | $ 413,600 |  |  | 4,879,600 | $ 1,181,200 |
Gross profit | (10,400) |  | 4,400 |  |  | 27,500 | 15,400 |
Equity in earnings of joint ventures | 6,400 |  | 1,200 |  |  | 16,900 | 3,300 |
Operating income | $ (4,000) |  | $ 5,600 |  |  | $ 44,400 | $ 18,700 |
Gross profit as a % of revenue | (0.60%) |  | 1.10% |  |  | 0.60% | 1.30% |
Total Assets | $ 3,182,200 |  |  |  |  | $ 3,182,200 |  | 1,256,400
Management Services |  |  |  |  |  |  |  |
Summarized financial information concerning the Company's reportable segments |  |  |  |  |  |  |  |
Revenue | 851,600 |  | $ 214,800 |  |  | 2,465,500 | $ 665,000 |
Gross profit | 35,900 |  | 11,400 |  |  | 136,700 | 35,700 |
Equity in earnings of joint ventures | 18,300 |  | 3,800 |  |  | 56,300 | 12,800 |
Operating income | $ 54,200 |  | $ 15,200 |  |  | $ 193,000 | $ 48,500 |
Gross profit as a % of revenue | 4.20% |  | 5.30% |  |  | 5.50% | 5.40% |
Total Assets | $ 3,186,700 |  |  |  |  | $ 3,186,700 |  | $ 437,500

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