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v3.19.3.a.u2

Segment Reporting - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Segment Reporting Information [Line Items] |  |  |  |
Restructuring charges |  | $ 194.2 | $ 88.0 | $ 70.9
Restructuring, expected cost |  | 55.0 |  |
United States | Pension |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Settlement charge | $ (5.4) |  | 5.4 | 1.7
Operating segments | Seating |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Restructuring charges |  | 150.1 | 62.3 | 45.7
Restructuring, expected cost |  | 33.0 |  |
Operating segments | E-Systems |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Restructuring charges |  | 38.0 | 20.9 | 19.9
Restructuring, expected cost |  | 22.0 |  |
Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Restructuring charges |  | $ 2.1 | $ 4.8 | $ 7.9

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