Number of indefinite-lived trade names.

No definition available.

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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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.

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- Definition

Amount of accumulated impairment loss for asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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- Definition

Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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- Definition

Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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- Definition

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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- Definition

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

+ References

No definition available.

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Goodwill and Identifiable Intangible Assets - Narrative (Details) $ in Millions			3 Months Ended		6 Months Ended
	May 31, 2024 USD ($)	Jan. 01, 2024 Segment	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) Segment TradeName Reportingunit	Jun. 30, 2023 USD ($)	Jun. 01, 2024	Dec. 31, 2023 USD ($)
Finite-Lived Intangible Assets [Line Items]
Number of operating segments \| Segment		2			2
Number of reporting units \| Reportingunit					2
Amortization of intangibles			$ 10.9	$ 11.0	$ 21.5	$ 21.9
Goodwill impairment	$ 127.5		127.5		127.5
Accumulated impairment losses			$ 530.8		$ 530.8			$ 403.3
Indefinite-lived intangibles, impairment charge	$ 37.7
Number of indefinite-lived trade names \| TradeName					3
Finite lived intangible asset useful life							30 years
ACCO Brands International
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment					$ 0.0