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v3.25.1

Supplementary Data (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Text Block [Abstract] |  |  |
Goodwill | $ 4,756.1 |  | $ 4,689.4
Goodwill, Acquired During Period | 42.2 |  |
Goodwill, Other Decrease | 24.5 |  |
Goodwill | 4,756.1 |  | 4,689.4
Goodwill, Acquired During Period | 42.2 |  |
Goodwill, Other Decrease | 24.5 |  |
Severance and termination costs | 80.1 | $ 0.0 |
Other restructuring costs | 52.9 | 0.0 |
Restructuring charges | 203.3 | 0.6 |
Operating lease right-of-use asset | 932.0 |  | 1,037.8
Goodwill, Impaired, Accumulated Impairment Loss | 207.2 |  |
Payments to Acquire Businesses, Net of Cash Acquired | 48.4 | 0.0 |
MD&E |  |  |
Text Block [Abstract] |  |  |
Goodwill | 2,380.8 |  | 2,332.8
Goodwill, Acquired During Period | 42.2 |  |
Goodwill, Other Decrease | 5.8 |  |
Goodwill | 2,380.8 |  | 2,332.8
Goodwill, Acquired During Period | 42.2 |  |
Goodwill, Other Decrease | 5.8 |  |
Severance and termination costs | 0.7 | 22.2 |
Lease impairment costs | 19.1 |  |
Restructuring charges | 53.3 | 0.0 |
IA&C |  |  |
Text Block [Abstract] |  |  |
Goodwill | 1,697.4 |  | 1,681.8
Goodwill, Acquired During Period | 0.0 |  |
Goodwill, Other Decrease | 15.6 |  |
Goodwill | 1,697.4 |  | 1,681.8
Goodwill, Acquired During Period | 0.0 |  |
Goodwill, Other Decrease | 15.6 |  |
Severance and termination costs | 1.9 | 20.3 |
Lease impairment costs | 18.6 | 0.3 |
Restructuring charges | 55.9 | 0.3 |
SC&E |  |  |
Text Block [Abstract] |  |  |
Goodwill | 677.9 |  | 674.8
Goodwill, Acquired During Period | 0.0 |  |
Goodwill, Other Decrease | 3.1 |  |
Goodwill | 677.9 |  | $ 674.8
Goodwill, Acquired During Period | 0.0 |  |
Goodwill, Other Decrease | 3.1 |  |
Severance and termination costs | 0.8 | 4.7 |
Lease impairment costs | 9.4 | 0.3 |
Restructuring charges | $ 21.7 | $ 0.3 |

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