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Goodwill and Identifiable Intangible Assets (Narrative) (Details) - USD ($) $ in Millions		6 Months Ended
	Jun. 01, 2021	Jun. 30, 2021	Dec. 17, 2020
Trade Names
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life	30 years
PowerA
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangibles			$ 239.7
PowerA | Trade Names
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangibles			21.6
Finite-lived intangible asset, useful life		15 years
PowerA | Customer and contractual relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangibles			127.6
Finite-lived intangible asset, useful life		15 years
PowerA | Vendor Relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangibles			87.7
Finite-lived intangible asset, useful life		15 years
PowerA | Developed Technology Rights
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangibles			$ 2.8
Finite-lived intangible asset, useful life		5 years

X

- Definition

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+ References

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- Definition

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

+ 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=121647850&loc=d3e4845-128472

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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.

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