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Goodwill - Schedule of Changes in Carrying Amount of Goodwill (Details) $ in Millions	3 Months Ended
	Mar. 29, 2025 USD ($)
Goodwill
Balance at January 1, 2025	$ 1,699.2
Foreign currency translation and other	24.0
Balance at March 29, 2025	1,723.2	[1]
Seating
Goodwill
Balance at January 1, 2025	1,305.9
Foreign currency translation and other	19.3
Balance at March 29, 2025	1,325.2
E-Systems
Goodwill
Balance at January 1, 2025	393.3
Foreign currency translation and other	4.7
Balance at March 29, 2025	$ 398.0
[1] Unaudited

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Goodwill, Foreign Currency Translation And Other Changes

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Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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