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Acquisitions - Narrative (Details) - Buro $ in Millions, $ in Millions	Feb. 28, 2025 AUD ($)	Feb. 28, 2025 USD ($)
Business Acquisition [Line Items]
Preliminary purchase price	$ 16.2	$ 10.1
Business acquisition, consideration held in escrow	$ 2.2	$ 1.3
Escrow period	2 years	2 years

X

- Definition

For a business acquisition, the amount of consideration held in escrow.

+ References

No definition available.

+ Details

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Namespace Prefix:	acco_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Length of time escrow account is open for recourse.

+ References

No definition available.

+ Details

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Namespace Prefix:	acco_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amounts of payments or accrued related to the acquisition of a business, gross less working capital adjustments

+ References

No definition available.

+ Details

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Namespace Prefix:	acco_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479907/805-20-50-5

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- Details

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