Discontinued Operations - Schedule of Components of Income From Discontinued Operations (Details) - Discontinued Operations, Held-for-Sale - Sound United - USD ($) $ in Millions	12 Months Ended
Jan. 03, 2026	Dec. 28, 2024	Dec. 30, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues	$ 414.9	$ 699.1	$ 772.6
Cost of sales	309.3	489.1	534.7
Gross profit	105.6	210.0	237.9
Selling, general and administrative expenses	108.4	195.1	212.7
Research and development expenses	27.5	40.6	44.7
Intangible assets impairment charges	251.5	304.0	10.0
Operating loss	(281.8)	(329.7)	(29.5)
Loss on disposition	(101.1)	0.0	0.0
Reclass of unrealized foreign currency translation losses upon disposition of discontinued operations	(44.5)	0.0	0.0
Other non-operating (loss) income	(4.7)	2.6	4.6
Loss from discontinued operations, before income taxes	(432.1)	(327.1)	(24.9)
(Benefit) provision for income taxes	(72.9)	(6.0)	1.3
Loss from discontinued operations, net of income taxes	$ (359.2)	$ (321.1)	$ (26.2)

Disposal Group, Including Discontinued Operation, Asset Impairment Charges

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Disposal Group, Including Discontinued Operation, Other Non-Operating Income (Loss)

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Amount before tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

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Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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Amount of tax expense (benefit) attributable to income (loss) from operations classified as a discontinued operation. Excludes tax expense (benefit) for gain (loss) on disposal and for provision for gain (loss) until disposal.

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Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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