Discontinued Operations - Schedule of Components of Income From Discontinued Operations (Details) - Discontinued Operations, Held-for-Sale - Sound United - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 27, 2025	Sep. 28, 2024	Sep. 27, 2025	Sep. 28, 2024
Income Statement Disclosures
Revenues	$ 126.7	$ 161.3	$ 414.9	$ 466.9
Cost of sales	78.2	110.3	264.5	333.2
Intangible assets impairment charges	0.0	0.0	44.0	0.0
Gross profit	48.5	51.0	106.4	133.7
Selling, general and administrative expenses	32.9	48.0	108.0	143.6
Research and development expenses	9.2	11.1	26.2	31.0
Intangible assets impairment charges	0.0	0.0	251.0	0.0
Operating income (loss)	6.4	(8.1)	(278.8)	(40.9)
Loss on disposition	(111.0)	0.0	(111.0)	0.0
Reclass of unrealized foreign currency translation losses upon disposition of discontinued operations	(44.5)	0.0	(44.5)	0.0
Other non-operating income (loss)	2.3	(9.5)	(4.3)	(4.3)
Loss from discontinued operations, before income taxes	(146.8)	(17.6)	(438.6)	(45.2)
Provision (benefit) for income taxes	7.3	(3.1)	(73.0)	(8.7)
Loss from discontinued operations, net of income taxes	$ (154.1)	$ (14.5)	$ (365.6)	$ (36.5)

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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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