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Segment Reporting - Narrative (Details) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 01, 2022 USD ($)	Oct. 02, 2021 USD ($)	Oct. 01, 2022 USD ($) segment	Oct. 02, 2021 USD ($)
Segment Reporting Information
Reportable operating segments | segment			2
Restructuring charges			$ 89.0
Seating
Segment Reporting Information
Additional restructuring costs expected to occur	$ 32.0		32.0
E-Systems
Segment Reporting Information
Additional restructuring costs expected to occur	18.0		18.0
Operating segments | Seating
Segment Reporting Information
Restructuring charges	12.0	$ 15.2	46.8	$ 35.2
Operating segments | E-Systems
Segment Reporting Information
Restructuring charges	5.2	28.9	37.1	37.3
Other
Segment Reporting Information
Restructuring charges	$ 0.1	$ 1.3	$ 5.1	$ 5.5

X

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 18
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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 45
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=109237686&loc=d3e17752-110868

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-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
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-URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747

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-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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