Information on Operating Segments - Capital Spend by Segment (Details) - USD ($) $ in Millions |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Segment Reporting Information [Line Items] | ||
| Total capital spend | $ 7.5 | $ 19.5 |
| ACCO Brands Americas | ||
| Segment Reporting Information [Line Items] | ||
| Total capital spend | 3.5 | 13.4 |
| ACCO Brands International | ||
| Segment Reporting Information [Line Items] | ||
| Total capital spend | $ 4.0 | $ 6.1 |
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- Definition Amount of expenditure for addition to long-lived asset included in determination of segment asset by chief operating decision maker (CODM) or otherwise regularly provided to CODM. Long-lived asset excludes financial instrument, long-term customer relationship of financial institution, mortgage and other servicing rights, deferred policy acquisition cost, and deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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