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Acquisitions - (Power A -Unaudited Pro Forma Consolidated Results) (Details) - PowerA - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Business Acquisition [Line Items]
Net sales	$ 1,857.2	$ 2,124.0
Net income	$ 76.9	$ 120.0
Net income per common share (diluted) (in usd per share)	$ 0.80	$ 1.19
Selling, General and Administrative Expenses [Member]
Business Acquisition [Line Items]
Transaction costs	$ 3.7

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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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