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Business Acquisitions, Goodwill and Intangible Assets (Tables) | 6 Months Ended
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Mar. 31, 2018
Business Acquisitions, Goodwill and Intangible Assets |
Schedule of acquisition and integration expenses |
|  | Three months ended |  | Six months ended |
|  | Mar 31, 2018 |  | Mar 31, 2017 |  | Mar 31, 2018 |  | Mar 31, 2017 |
|  | (in millions) |
Severance and personnel costs |  | $ | — |  | $ | 18.4 |  | $ | — |  | $ | 29.9 |
Professional service, real estate-related, and other expenses |  | — |  | 1.6 |  | — |  | 5.5 |
Total |  | $ | — |  | $ | 20.0 |  | $ | — |  | $ | 35.4 |
Summary of financial information of the Disposal Group |
|  | March 31, 2018 (in millions) |
Current assets |  | $ | 78.1 |
Non-current assets |  | 81.5 |
Goodwill |  | 125.4 |
Less: Impairment of assets held for sale |  | (168.2 | )
Total assets held for sale |  | $ | 116.8 |
Current liabilities |  | $ | 36.2 |
Non-current liabilities |  | 10.3 |
Total liabilities held for sale |  | $ | 46.5 |
Net Assets Held for Sale |  | $ | 70.3 |
Schedule of changes in the carrying value of goodwill by reportable segment |
|  | September 30, 2017 |  | Measurement Period Adjustments |  | Impairment |  | Foreign Exchange Impact |  | March 31, 2018 |
|  | (in millions) |
Design and Consulting Services |  | $ | 3,218.9 |  | $ | — |  | $ | — |  | $ | 3.5 |  | $ | 3,222.4 |
Construction Services |  | 1,049.9 |  | 64.4 |  | (125.4 | ) | (7.0 | ) | 981.9 |
Management Services |  | 1,724.1 |  | — |  | — |  | 14.2 |  | 1,738.3 |
Total |  | $ | 5,992.9 |  | $ | 64.4 |  | $ | (125.4 | ) | $ | 10.7 |  | $ | 5,942.6 |
Schedule of finite-lived intangible assets by major class |
|  | March 31, 2018 |  | September 30, 2017 |  |  |
|  | Gross Amount |  | Accumulated Amortization |  | Intangible Assets, Net |  | Gross Amount |  | Accumulated Amortization |  | Intangible Assets, Net |  | Amortization Period |
|  | (in millions) |  | (years) |
Backlog and customer relationships |  | $ | 1,287.5 |  | $ | (920.8 | ) | $ | 366.7 |  | $ | 1,283.6 |  | $ | (870.2 | ) | $ | 413.4 |  | 1 - 11 |
Trademark / tradename |  | 18.3 |  | (16.8 | ) | 1.5 |  | 18.3 |  | (16.6 | ) | 1.7 |  | 0.3 - 2 |
Total |  | $ | 1,305.8 |  | $ | (937.6 | ) | $ | 368.2 |  | $ | 1,301.9 |  | $ | (886.8 | ) | $ | 415.1 |  |  |
Schedule of estimated future amortization expense of intangible assets |
Fiscal Year |  | (in millions) |
2018 (six months remaining) |  | $ | 45.6 |
2019 |  | 84.1 |
2020 |  | 70.1 |
2021 |  | 57.4 |
2022 |  | 44.6 |
Thereafter |  | 66.4 |
Total |  | $ | 368.2 |

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