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v3.25.2

Goodwill and Identifiable Intangible Assets - Summary of Changes in Net Carrying Amount Goodwill By Segment (Details) $ in Millions | 6 Months Ended
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Jun. 30, 2025 USD ($)
Goodwill [Roll Forward] |  |
Beginning balance | $ 446.4 |
Acquisitions | 4.2 | [1]
Foreign currency translation | 21.2 |
Ending balance | 471.8 |
ACCO Brands Americas |  |
Goodwill [Roll Forward] |  |
Beginning balance | 253.3 |
Acquisitions | 0.0 | [1]
Foreign currency translation | 1.3 |
Ending balance | 254.6 |
ACCO Brands International |  |
Goodwill [Roll Forward] |  |
Beginning balance | 193.1 |
Acquisitions | 4.2 | [1]
Foreign currency translation | 19.9 |
Ending balance | $ 217.2 |
[1] | Represents goodwill from the Buro Acquisition.

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