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Reporting Segments and Related Information - Geographic Information (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Maximum percentage in consolidated sales of countries outside the US other than Germany France Hungary and South Korea |  |  |  |  |  |  |  |  | 5.00% |  |
Investment in NSK-Warner | $ 239.6 |  |  |  | $ 218.9 |  |  |  | $ 239.6 | $ 218.9 |
Net sales | 2,586.4 | $ 2,416.2 | $ 2,389.7 | $ 2,407.0 | 2,259.0 | $ 2,214.2 | $ 2,329.2 | $ 2,268.6 | 9,799.3 | 9,071.0 | $ 8,023.2
Long-lived assets | 2,863.8 |  |  |  | 2,501.8 |  |  |  | 2,863.8 | 2,501.8 | 2,448.1
United States |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 2,280.0 | 2,236.0 | 1,985.1
Long-lived assets | 719.3 |  |  |  | 799.3 |  |  |  | 719.3 | 799.3 | 800.5
Europe [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 3,735.5 | 3,470.1 | 3,618.6
Long-lived assets | 987.0 |  |  |  | 830.2 |  |  |  | 987.0 | 830.2 | 811.3
Germany |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 1,652.6 | 1,735.1 | 1,857.1
Long-lived assets | 413.4 |  |  |  | 370.3 |  |  |  | 413.4 | 370.3 | 380.9
Hungary |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 655.7 | 541.1 | 500.5
Long-lived assets | 147.5 |  |  |  | 122.2 |  |  |  | 147.5 | 122.2 | 112.4
Other Europe [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 1,427.2 | 1,193.9 | 1,261.0
Long-lived assets | 426.1 |  |  |  | 337.7 |  |  |  | 426.1 | 337.7 | 318.0
China |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 1,560.1 | 1,218.0 | 1,009.0
Long-lived assets | 554.8 |  |  |  | 384.6 |  |  |  | 554.8 | 384.6 | 355.8
South Korea |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 877.6 | 948.2 | 741.7
Long-lived assets | 244.2 |  |  |  | 208.0 |  |  |  | 244.2 | 208.0 | 218.6
Mexico |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 920.2 | 805.6 | 312.7
Long-lived assets | 201.2 |  |  |  | 136.2 |  |  |  | 201.2 | 136.2 | 132.8
Other Foreign [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 425.9 | 393.1 | 356.1
Long-lived assets | $ 157.3 |  |  |  | 143.5 |  |  |  | $ 157.3 | 143.5 | 129.1
NSK Warner [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Equity investment in NSK Warner, percent | 50.00% |  |  |  |  |  |  |  | 50.00% |  |
Investment in NSK-Warner | $ 185.1 |  |  |  | $ 172.9 |  |  |  | $ 185.1 | $ 172.9 | $ 158.7

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