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v3.26.1

Goodwill and Identifiable Intangible Assets (Tables) | 6 Months Ended
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Jun. 30, 2026
Intangible Asset, Finite-Lived [Line Items] |
Changes in Net Carrying Amount of Goodwill by Segment | Changes in the net carrying amount of goodwill by segment were as follows:
(in millions) |  | ACCO Brands Americas |  |  | ACCO Brands International |  |  | Total |
Balance at December 31, 2025 |  | $ | 254.7 |  |  | $ | 223.8 |  |  | $ | 478.5 |
Foreign currency translation |  |  | 0.7 |  |  |  | (9.9 | ) |  |  | (9.2 | )
Balance at June 30, 2026 |  | $ | 255.4 |  |  | $ | 213.9 |  |  | $ | 469.3 |
Gross Carrying Value and Accumulated Amortization by Class of Identifiable Intangible Assets | The gross carrying value and accumulated amortization by class of identifiable intangible assets as of June 30, 2026 and December 31, 2025, were as follows:
|  | June 30, 2026 |  |  | December 31, 2025 |
(in millions) |  | Gross Carrying Amounts |  |  | Accumulated Amortization |  |  | Net Book Value |  |  | Gross Carrying Amounts |  |  | Accumulated Amortization |  |  | Net Book Value |
Indefinite-lived intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trade name(1) |  | $ | 101.2 |  |  | $ | (44.5 | ) |  | $ | 56.7 |  |  | $ | 101.2 |  |  | $ | (44.5 | ) |  | $ | 56.7 |
Amortizable intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trade names |  |  | 656.5 |  |  |  | (196.8 | ) |  |  | 459.7 |  |  |  | 658.9 |  |  |  | (185.7 | ) |  |  | 473.2 |
Customer and contractual relationships |  |  | 369.2 |  |  |  | (266.5 | ) |  |  | 102.7 |  |  |  | 371.8 |  |  |  | (260.4 | ) |  |  | 111.4 |
Vendor relationships |  |  | 82.4 |  |  |  | (30.4 | ) |  |  | 52.0 |  |  |  | 82.4 |  |  |  | (27.7 | ) |  |  | 54.7 |
Patents and developed technology |  |  | 12.6 |  |  |  | (8.8 | ) |  |  | 3.8 |  |  |  | 8.2 |  |  |  | (7.3 | ) |  |  | 0.9 |
Subtotal |  |  | 1,120.7 |  |  |  | (502.5 | ) |  |  | 618.2 |  |  |  | 1,121.3 |  |  |  | (481.1 | ) |  |  | 640.2 |
Total identifiable intangibles |  | $ | 1,221.9 |  |  | $ | (547.0 | ) |  | $ | 674.9 |  |  | $ | 1,222.5 |  |  | $ | (525.6 | ) |  | $ | 696.9 |
(1) Accumulated amortization prior to the adoption of authoritative guidance on goodwill and other intangible assets, at which time further amortization ceased.
Estimated Amortization Expense for Future Periods | Estimated amortization expense for amortizable intangible assets, as of June 30, 2026, for the current year and the next five years is as follows:
(in millions) |  | 2026 |  |  | 2027 |  |  | 2028 |  |  | 2029 |  |  | 2030 |  |  | 2031 |
Estimated amortization expense(2) |  | $ | 44.8 |  |  | $ | 42.3 |  |  | $ | 40.1 |  |  | $ | 38.3 |  |  | $ | 37.3 |  |  | $ | 36.2 |
(2) Actual amounts of amortization expense may differ from estimated amounts due to changes in foreign currency exchange rates, additional intangible asset acquisitions, impairment of intangible assets, accelerated amortization of intangible assets and other events.
Buro |
Intangible Asset, Finite-Lived [Line Items] |
Schedule of Acquired Identifiable Intangible Assets | EPOS Acquisition The preliminary purchase price allocation includes a definite-lived identifiable intangible asset for developed technology of approximately $3.3 million in connection with the acquisition of EPOS. The fair value of the developed technology was determined using the relief from royalty method. The Company is continuing to evaluate the estimated useful life of the acquired identifiable intangible asset, and such estimate remains subject to finalization during the measurement period.

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