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Segment Reporting - Additional Information (Detail) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 01, 2017 USD ($) | Jul. 02, 2016 USD ($) | Jul. 01, 2017 USD ($) Segment | Jul. 02, 2016 USD ($)
Segment Reporting Information [Line Items] |  |  |  |
Reportable operating segments | Segment |  |  | 2 |
Restructuring charges |  |  | $ 30.8 |
Operating segments | Seating |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Restructuring charges | $ 9.6 | $ 17.3 | 16.3 | $ 23.0
Operating segments | E-Systems |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Restructuring charges | 1.9 | 7.7 | 3.6 | 10.6
Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Restructuring charges | $ 11.6 | $ 1.1 | $ 11.7 | $ 2.7

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