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Business Acquisitions, Goodwill and Intangible Assets (Tables) | 3 Months Ended
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Dec. 31, 2016
Business Acquisitions, Goodwill and Intangible Assets |
Schedule of acquisition and integration expenses | `Acquisition and integration expenses, relating to the acquisition of URS, in the accompanying consolidated statements of operations comprised of the following (in millions):
|  | Three months ended Dec 31, |
|  | 2016 |  | 2015 |
Severance and personnel costs |  | $ | 11.5 |  | $ | 6.6 |
Professional service, real estate-related, and other expenses |  | 3.9 |  | 34.4 |
Total |  | $ | 15.4 |  | $ | 41.0 |
Schedule of changes in the carrying value of goodwill by reportable segment |
|  | September 30, 2016 |  | Post- Acquisition Adjustments |  | Foreign Exchange Impact |  | Disposed |  | December 31, 2016 |
|  | (in millions) |
Design and Consulting Services |  | $ | 3,198.2 |  | $ | — |  | $ | (22.1 | ) | $ | — |  | $ | 3,176.1 |
Construction Services |  | 915.2 |  | — |  | (4.9 | ) | — |  | 910.3 |
Management Services |  | 1,710.4 |  | — |  | (12.4 | ) | — |  | 1,698.0 |
Total |  | $ | 5,823.8 |  | $ | — |  | $ | (39.4 | ) | $ | — |  | $ | 5,784.4 |
Schedule of finite-lived intangible assets by major class |
|  | December 31, 2016 |  | September 30, 2016 |  |  |
|  | Gross Amount |  | Accumulated Amortization |  | Intangible Assets, Net |  | Gross Amount |  | Accumulated Amortization |  | Intangible Assets, Net |  | Amortization Period |
|  | (in millions) |  | (years) |
Backlog and customer relationships |  | $ | 1,242.9 |  | $ | (793.1 | ) | $ | 449.8 |  | $ | 1,247.1 |  | $ | (767.7 | ) | $ | 479.4 |  | 1 – 11 |
Trademark / tradename |  | 16.4 |  | (16.4 | ) | — |  | 16.4 |  | (16.4 | ) | — |  | 0.3 - 2 |
Total |  | $ | 1,259.3 |  | $ | (809.5 | ) | $ | 449.8 |  | $ | 1,263.5 |  | $ | (784.1 | ) | $ | 479.4 |  |  |
Schedule of estimated future amortization expense of intangible assets |
Fiscal Year |  | (in millions) |
2017 (nine months remaining) |  | $ | 72.1 |
2018 |  | 81.5 |
2019 |  | 76.3 |
2020 |  | 64.4 |
2021 |  | 54.6 |
Thereafter |  | 100.9 |
Total |  | $ | 449.8 |

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