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Basis of Presentation - Narrative (Details) - Apr. 01, 2021 - Franken € in Millions, $ in Millions	EUR (€)	USD ($)
Business Acquisition [Line Items]
Purchase price, net of working capital adjustment	€ 2.4	$ 2.8
Cash acquired		$ 1.1

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_
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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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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X

- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=123413009&loc=d3e4845-128472

+ Details

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Balance Type:	debit
Period Type:	instant

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- Details

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