Segment Reporting - Schedule of Segment Financial Information (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|
Jun. 28, 2025 |
Jun. 29, 2024 |
Jun. 28, 2025 |
Jun. 29, 2024 |
Dec. 31, 2024 |
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| Segment Reporting Information | |||||||||
| Depreciation | $ 143.5 | $ 141.2 | $ 286.0 | $ 281.4 | |||||
| Capital expenditures | 125.4 | 120.8 | 229.4 | 234.4 | |||||
| Inventories | 1,684.0 | [1] | 1,702.4 | 1,684.0 | [1] | 1,702.4 | $ 1,601.1 | ||
| Total assets | 15,322.1 | [1] | 14,681.9 | 15,322.1 | [1] | 14,681.9 | $ 14,027.5 | ||
| Operating segments | Seating | |||||||||
| Segment Reporting Information | |||||||||
| Depreciation | 92.3 | 91.2 | 183.1 | 182.0 | |||||
| Capital expenditures | 86.4 | 82.3 | 156.8 | 145.9 | |||||
| Inventories | 866.8 | 898.9 | 866.8 | 898.9 | |||||
| Total assets | 9,049.8 | 8,590.8 | 9,049.8 | 8,590.8 | |||||
| Operating segments | E-Systems | |||||||||
| Segment Reporting Information | |||||||||
| Depreciation | 45.7 | 44.9 | 92.1 | 89.2 | |||||
| Capital expenditures | 35.3 | 34.8 | 64.0 | 80.4 | |||||
| Inventories | 817.2 | 803.5 | 817.2 | 803.5 | |||||
| Total assets | 4,225.9 | 4,070.4 | 4,225.9 | 4,070.4 | |||||
| Other | |||||||||
| Segment Reporting Information | |||||||||
| Depreciation | 5.5 | 5.1 | 10.8 | 10.2 | |||||
| Capital expenditures | 3.7 | 3.7 | 8.6 | 8.1 | |||||
| Inventories | 0.0 | 0.0 | 0.0 | 0.0 | |||||
| Total assets | $ 2,046.4 | $ 2,020.7 | $ 2,046.4 | $ 2,020.7 | |||||
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- Definition Amount of asset recognized for present right to economic benefit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of expenditure for addition to long-lived assets included in determination of segment assets by chief operating decision maker (CODM) or otherwise regularly provided to CODM. Excludes expenditure for addition to financial instrument, long-term customer relationship of financial institution, mortgage and other servicing rights, deferred policy acquisition cost, and deferred tax assets. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition 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. No definition available.
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