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v3.25.4

Acquisitions - Summary of Allocation of Purchase Price for Acquisitions of Acquiree (Detail) - USD ($) $ in Millions | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | --- | ---
Business Acquisition [Line Items] |  |  |
Funds receivable and funds held on behalf of clients | $ 2,681.3 | $ 2,450.8 |
Goodwill | 9,991.3 | $ 9,218.1 | $ 8,969.5
Battea |  |  |
Business Acquisition [Line Items] |  |  |
Accounts receivable | 40.3 |  |
Property, plant and equipment | 1.9 |  |
Other assets | 3.0 |  |
Funds receivable and funds held on behalf of clients | 284.8 |  |
Operating lease right-of-use assets | 1.2 |  |
Goodwill | 325.7 |  |
Accounts payable | 0.0 |  |
Accrued employee compensation and other liabilities | (68.8) |  |
Deferred income taxes | (33.9) |  |
Client Funds Obligations | (284.8) |  |
Consideration paid, net of cash acquired | 645.6 |  |
Calastone |  |  |
Business Acquisition [Line Items] |  |  |
Accounts receivable | 19.8 |  |
Property, plant and equipment | 0.6 |  |
Other assets | 7.0 |  |
Funds receivable and funds held on behalf of clients | 0.0 |  |
Operating lease right-of-use assets | 0.0 |  |
Goodwill | 577.6 |  |
Accounts payable | (2.6) |  |
Accrued employee compensation and other liabilities | (9.5) |  |
Deferred revenue | (0.6) |  |
Deferred income taxes | (120.6) |  |
Client Funds Obligations | 0.0 |  |
Consideration paid, net of cash acquired | 1,031.4 |  |
Customer relationships | Battea |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets acquired | 246.6 |  |
Customer relationships | Calastone |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets acquired | 435.8 |  |
Completed Technology | Battea |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets acquired | 121.8 |  |
Completed Technology | Calastone |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets acquired | 109.2 |  |
Trade Names | Battea |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets acquired | 7.8 |  |
Trade Names | Calastone |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets acquired | $ 14.7 |  |

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