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Discontinued Operations, Goodwill and Intangible Assets (Tables) | 3 Months Ended
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Dec. 31, 2024
Discontinued Operations, Goodwill, and Intangible Assets [Abstract] |
Schedule of Balance Sheet of Assets and Liabilities Held for Sale and Income Statement and Cash Flow Information of Discontinued Operations | The following table represents summarized balance sheet information of assets and liabilities held for sale (in millions):
| December 31, 2024 |  | September 30, 2024
Cash and cash equivalents | $ | 4.1 |  |  | $ | 4.0 |
Receivables and contract assets | 63.0 |  |  | 73.2 |
Current assets held for sale | $ | 67.1 |  |  | $ | 77.2 |
Property and equipment, net | $ | 17.1 |  |  | $ | 16.7 |
Other | 1.0 |  |  | 1.2 |
Write-down of assets to fair value less cost to sell | (18.1) |  |  | (17.9) |
Non-current assets held for sale | $ | — |  |  | $ | — |
Accounts payable and accrued expenses | $ | 25.3 |  |  | 35.6 |
Current liabilities held for sale | $ | 25.3 |  |  | $ | 35.6 |
Long-term liabilities held for sale | $ | — |  |  | $ | — |
The following table represents summarized income statement information of discontinued operations (in millions):
| Three months ended |  |
| December 31, 2024 |  | December 31, 2023 |  |  |  |
Revenue | $ | 42.6 |  |  | $ | 54.6 |  |  |  |  |
Cost of revenue | 50.3 |  |  | 52.7 |  |  |  |  |
Gross (loss) margin | (7.7) |  |  | 1.9 |  |  |  |  |
Loss on disposal activities | (4.9) |  |  | (3.5) |  |  |  |  |
Loss from operations | (12.6) |  |  | (1.6) |  |  |  |  |
Other expense | (0.4) |  |  | (0.6) |  |  |  |  |
Loss before taxes | (13.0) |  |  | (2.2) |  |  |  |  |
Income tax benefit | (3.4) |  |  | (0.9) |  |  |  |  |
Net loss from discontinuing operations | $ | (9.6) |  |  | $ | (1.3) |  |  |  |  |
The significant components included in our Consolidated Statement of Cash Flows for the discontinued operations are as follows (in millions):
| Three months ended |  |
| December 31, 2024 |  | December 31, 2023 |  |  |  |
Payments for capital expenditures | $ | (0.4) |  |  | $ | — |  |  |  |  |
Schedule of Changes in Carrying Value of Goodwill by Reportable Segment | The changes in the carrying value of goodwill by reportable segment for the three months ended December 31, 2024 were as follows:
| September 30, 2024 |  | Foreign Exchange Impact |  |  |  | December 31, 2024
| (in millions)
Americas | $ | 2,625.7 |  |  | $ | (11.0) |  |  |  |  | $ | 2,614.7 |
International | 854.5 |  |  | (41.0) |  |  |  |  | 813.5 |
Total | $ | 3,480.2 |  |  | $ | (52.0) |  |  |  |  | $ | 3,428.2 |
Schedule of Gross Amount and Accumulated Amortization of Acquired Identifiable Intangible Assets with Finite Useful Lives | The gross amounts and accumulated amortization of the Company’s acquired identifiable intangible assets with finite useful lives as of December 31, 2024 and September 30, 2024, included in intangible assets—net, in the accompanying consolidated balance sheets, were as follows:
| December 31, 2024 |  | September 30, 2024 |  |
| Gross Amount |  | Accumulated Amortization |  | Intangible Assets, Net |  | Gross Amount |  | Accumulated Amortization |  | Intangible Assets, Net |  | Amortization Period
| (in millions) |  | (years)
Backlog and Customer relationships | $ | 7.4 |  |  | $ | (1.5) |  |  | $ | 5.9 |  |  | $ | 671.7 |  |  | $ | (664.8) |  |  | $ | 6.9 |  |  | 1 - 11
Schedule of Future Amortization Expense of Intangible Assets | The following table presents estimated amortization expense of existing intangible assets for the remainder of fiscal 2025 and for the succeeding years:
Fiscal Year |  | (in millions)
2025 (nine months remaining) |  | $ | 1.1 |
2026 |  | 1.5 |
2027 |  | 1.5 |
2028 |  | 1.5 |
2029 |  | 0.3 |
Total |  | $ | 5.9 |

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