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Business Acquisitions, Goodwill and Intangible Assets (Tables) | 9 Months Ended
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Jun. 30, 2017
Business Acquisitions, Goodwill and Intangible Assets |
Schedule of acquisition and integration expenses |
|  | Three months ended |  | Nine months ended |
|  | June 30, 2017 |  | June 30, 2016 |  | June 30, 2017 |  | June 30, 2016 |
|  | (in millions) |
Severance and personnel costs |  | $ | — |  | $ | 7.2 |  | $ | 29.9 |  | $ | 19.2 |
Professional service, real estate-related, and other expenses |  | — |  | 43.5 |  | 5.5 |  | 123.2 |
Total |  | $ | — |  | $ | 50.7 |  | $ | 35.4 |  | $ | 142.4 |
Schedule of changes in the carrying value of goodwill by reportable segment |
|  | September 30, 2016 |  | Acquired |  | Disposed |  | Foreign Exchange Impact |  | June 30, 2017 |
|  | (in millions) |
Design and Consulting Services |  | $ | 3,198.2 |  | $ | 3.8 |  | $ | (1.8 | ) | $ | 7.5 |  | $ | 3,207.7 |
Construction Services |  | 915.2 |  | — |  | — |  | 3.0 |  | 918.2 |
Management Services |  | 1,710.4 |  | — |  | — |  | 4.2 |  | 1,714.6 |
Total |  | $ | 5,823.8 |  | $ | 3.8 |  | $ | (1.8 | ) | $ | 14.7 |  | $ | 5,840.5 |
Schedule of finite-lived intangible assets by major class |
|  | June 30, 2017 |  | 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 |  | $ | 1,254.5 |  | $ | (844.2 | ) | $ | 410.3 |  | $ | 1,247.1 |  | $ | (767.7 | ) | $ | 479.4 |  | 1 — 11 |
Trademark / tradename |  | 16.4 |  | (16.4 | ) | — |  | 16.4 |  | (16.4 | ) | — |  | 0.3 — 2 |
Total |  | $ | 1,270.9 |  | $ | (860.6 | ) | $ | 410.3 |  | $ | 1,263.5 |  | $ | (784.1 | ) | $ | 479.4 |  |  |
Schedule of estimated future amortization expense of intangible assets |
Fiscal Year |  | (in millions) |
2017 (three months remaining) |  | $ | 24.0 |
2018 |  | 83.7 |
2019 |  | 78.4 |
2020 |  | 66.4 |
2021 |  | 56.4 |
Thereafter |  | 101.4 |
Total |  | $ | 410.3 |

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