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Business Acquisitions, Goodwill and Intangible Assets (Details 3) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2015 | Jun. 30, 2015 | Jun. 30, 2014 | Oct. 17, 2014 | Sep. 30, 2014
Estimated amortization expense of intangible assets for the remainder of fiscal 2013 and for the succeeding years |  |  |  |  |
2015 (three months remaining) | $ 93,500 | $ 93,500 |  |  |
2016 | 187,400 | 187,400 |  |  |
2017 | 98,100 | 98,100 |  |  |
2018 | 79,900 | 79,900 |  |  |
2019 | 74,600 | 74,600 |  |  |
Thereafter | 219,700 | 219,700 |  |  |
Intangible Assets, Net | 753,202 | 753,202 |  |  | $ 90,238
Gross Amount | 1,236,300 | 1,236,300 |  |  | 280,900
Accumulated Amortization | (483,100) | (483,100) |  |  | (190,700)
Intangible Assets, Net | 753,202 | 753,202 |  |  | 90,238
Amortization expense |  | 292,400 | $ 17,300 |  |
URS Corporation |  |  |  |  |
Estimated amortization expense of intangible assets for the remainder of fiscal 2013 and for the succeeding years |  |  |  |  |
Billings in excess of costs on uncompleted contracts | 75,300 | $ 75,300 |  | $ 363,700 |
Years the remaining liability will be recognized |  | 5 years |  |  |
Revenue and related income from operations | 6,100 | $ 60,300 |  |  |
Backlog and customer relationships |  |  |  |  |
Estimated amortization expense of intangible assets for the remainder of fiscal 2013 and for the succeeding years |  |  |  |  |
Intangible Assets, Net | 753,100 | 753,100 |  |  | 88,800
Gross Amount | 1,219,900 | 1,219,900 |  |  | 271,600
Accumulated Amortization | (466,800) | (466,800) |  |  | (182,800)
Intangible Assets, Net | 753,100 | $ 753,100 |  |  | 88,800
Backlog and customer relationships | Minimum |  |  |  |  |
Estimated amortization expense of intangible assets for the remainder of fiscal 2013 and for the succeeding years |  |  |  |  |
Amortization Period |  | 1 year |  |  |
Backlog and customer relationships | Maximum |  |  |  |  |
Estimated amortization expense of intangible assets for the remainder of fiscal 2013 and for the succeeding years |  |  |  |  |
Amortization Period |  | 11 years |  |  |
Trademark / tradename |  |  |  |  |
Estimated amortization expense of intangible assets for the remainder of fiscal 2013 and for the succeeding years |  |  |  |  |
Intangible Assets, Net | 100 | $ 100 |  |  | 1,400
Gross Amount | 16,400 | 16,400 |  |  | 9,300
Accumulated Amortization | (16,300) | (16,300) |  |  | (7,900)
Intangible Assets, Net | $ 100 | $ 100 |  |  | $ 1,400
Amortization Period |  | 2 years |  |  |
Trademark / tradename | Minimum |  |  |  |  |
Estimated amortization expense of intangible assets for the remainder of fiscal 2013 and for the succeeding years |  |  |  |  |
Amortization Period |  | 3 months 18 days |  |  |

X
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