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Information on Operating Segments - Depreciation Expense by Segment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Total depreciation	$ 26.6	$ 28.4	$ 32.7
ACCO Brands Americas
Segment Reporting Information [Line Items]
Total depreciation	17.4	19.2	20.4
ACCO Brands International
Segment Reporting Information [Line Items]
Total depreciation	$ 9.2	$ 9.2	$ 12.3

X

- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

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X

- 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.

+ References

No definition available.

+ Details

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