Business Combination, Working Capital Adjustment

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
-Section S99
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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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-Publisher FASB
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-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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- Definition

Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.

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No definition available.

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Goodwill and Identifiable Intangible Assets (Goodwill) (Details) $ in Millions			3 Months Ended	6 Months Ended
	May 31, 2021 USD ($) reportingUnit	Dec. 17, 2020 USD ($) reportingUnit	Jun. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)	Dec. 31, 2016 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Number of reporting units \| reportingUnit	3	3
Goodwill, accumulated impairment losses	$ 0.0				$ 215.1
Goodwill [Roll Forward]
Balance at December 31, 2020				$ 827.4
Acquisitions				(16.2)
Foreign currency translation				(3.9)
Balance at June 30, 2021			$ 807.3	807.3
PowerA
Goodwill [Roll Forward]
Balance at June 30, 2021		$ 67.4
Working capital adjustment			18.2
ACCO Brands North America
Goodwill [Roll Forward]
Balance at December 31, 2020				461.2
Acquisitions				(18.2)
Foreign currency translation				0.0
Balance at June 30, 2021			443.0	443.0
ACCO Brands EMEA
Goodwill [Roll Forward]
Balance at December 31, 2020				188.2
Acquisitions				2.0
Foreign currency translation				(4.4)
Balance at June 30, 2021			185.8	185.8
ACCO Brands International
Goodwill [Roll Forward]
Balance at December 31, 2020				178.0
Acquisitions				0.0
Foreign currency translation				0.5
Balance at June 30, 2021			$ 178.5	$ 178.5