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Segment Reporting - Additional Information (Detail) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2015 USD ($)	Sep. 27, 2014 USD ($)	Sep. 26, 2015 USD ($) Segment	Sep. 27, 2014 USD ($)
Segment Reporting Information [Line Items]
Reportable operating segments | Segment			2
Restructuring charges			$ 64.0
Operating segments | Seating
Segment Reporting Information [Line Items]
Restructuring charges	$ 4.3	$ 17.0	47.3	$ 68.8
Operating segments | Electrical
Segment Reporting Information [Line Items]
Restructuring charges	3.7	2.5	9.7	7.3
Other
Segment Reporting Information [Line Items]
Restructuring charges	$ 6.9	$ 1.5	$ 14.7	$ 10.5

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- 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.

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- Definition

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/2003/role/presentationRef



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-Name Accounting Standards Codification



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-SubTopic 10



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