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Goodwill and Identifiable Intangibles (Acquired Identifiable Intangibles) (Details) - USD ($) $ in Millions				12 Months Ended
	Aug. 01, 2019	Jan. 31, 2019	Jul. 02, 2018	Dec. 31, 2020	Dec. 17, 2020
Cumberland Asset Acquisition
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangibles acquired		$ 3.2
Cumberland Asset Acquisition | Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired		$ 0.8
Intangible assets, useful life		10 years
Cumberland Asset Acquisition | Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired		$ 2.4
Intangible assets, useful life		7 years
Foroni Acquisition
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangibles acquired	$ 11.1
Foroni Acquisition | Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangibles acquired	$ 11.1
Intangible assets, useful life	23 years
GOBA Acquisition
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangibles acquired			$ 10.3
GOBA Acquisition | Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired			$ 3.8
Intangible assets, useful life			15 years
GOBA Acquisition | Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired			$ 6.5
Intangible assets, useful life			10 years
PowerA
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangibles acquired					$ 239.7
PowerA | Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangibles acquired					21.6
Intangible assets, useful life				15 years
PowerA | Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangibles acquired					127.6
Intangible assets, useful life				15 years
PowerA | Vendor Relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangibles acquired					87.7
Intangible assets, useful life				15 years
PowerA | Developed Technology Rights
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangibles acquired					$ 2.8
Intangible assets, useful life				5 years

X

- Definition

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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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The amount of identifiable intangible assets recognized as of the acquisition date.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 55
-Paragraph 37
-URI http://asc.fasb.org/extlink&oid=121600890&loc=d3e2207-128464

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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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