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Acquisitions - Purchase Price and Related Allocation (Details) - USD ($) $ in Millions | Apr. 28, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | --- | --- | ---
Business Acquisition [Line Items] |  |  |  |
Goodwill |  | $ 1,405.3 | $ 1,401.3 | $ 1,121.3
Antolin Seating |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Net purchase price | $ 292.4 |  |  |
Property, plant and equipment | 79.2 |  |  |
Other assets purchased and liabilities assumed, net | (31.5) |  |  |
Goodwill | 123.3 |  |  |
Intangible assets | 121.4 |  |  |
Purchase price allocation | $ 292.4 |  |  |

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