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Restructuring (Details) $ in Millions | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2016 USD ($) | Jun. 30, 2016 USD ($) | Mar. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) | Sep. 30, 2015 USD ($) | Jun. 30, 2015 USD ($) | Mar. 31, 2015 USD ($) | Dec. 31, 2016 USD ($) employee labor_union | Dec. 31, 2015 USD ($) employee | Dec. 31, 2014 USD ($) employee | Nov. 10, 2015 | Feb. 28, 2014
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring and Related Cost, Agreements with Labor Unions, Number | labor_union |  |  |  |  |  |  |  | 3 |  |  |  |
Asset Impairment Charges | $ 106.5 |  |  |  |  |  |  |  |  |  |  |
Restructuring expense | $ 1.3 | $ 19.2 | $ 6.4 | $ 24.4 | $ 6.3 | $ 10.5 | $ 9.4 | $ 26.9 | $ 65.7 | $ 90.8 |  |
Drivetrain [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Employee termination benefits, number of employees effected | employee |  |  |  |  |  |  |  | 450 |  |  |  |
Employee termination benefits |  |  |  |  |  |  |  | $ 3.0 | 20.1 | 50.6 |  |
Other restructuring charges |  |  |  |  |  |  |  | 5.2 | 7.9 | 11.2 |  |
Restructuring expense |  |  |  |  |  |  |  | 8.2 | $ 28.0 | $ 61.8 |  |
Gustav Wahler GmbH u. Co. KG and General Partner [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Employee termination benefits, number of employees effected | employee |  |  |  |  |  |  |  |  | 70 | 95 |  |
Employee termination benefits |  |  |  |  |  |  |  | 9.6 | $ 11.6 | $ 6.5 |  |
Corporate and Other [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring expense |  |  |  |  | $ 3.0 | $ 9.4 | $ 2.7 |  | 12.5 | 12.0 |  |
Remy International Inc. [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Employee termination benefits |  |  |  |  |  |  |  | 2.0 | 10.1 |  |  |
Other restructuring charges |  |  |  |  |  |  |  | 3.1 |  |  |  |
Restructuring expense |  |  |  |  |  |  |  | 6.1 | 10.1 |  |  |
Employee Severance [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Reserve |  |  |  | 29.4 |  |  |  | 6.4 | 29.4 | 43.9 |  |
Restructuring expense |  |  |  |  |  |  |  | 10.6 | 43.9 |  |  |
Payments for Restructuring |  |  |  |  |  |  |  | (33.8) | (55.0) |  |  |
Restructuring Reserve, Translation Adjustment |  |  |  |  |  |  |  | 0.2 | (3.8) |  |  |
Remy International Inc [Member] | Employee Severance [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring expense |  |  |  |  |  |  |  |  | 0.4 |  |  |
Remy International Inc. [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, percentage of voting interests acquired |  |  |  |  |  |  |  |  |  |  | 100.00% |
Gustav Wahler GmbH u. Co. KG and General Partner [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, percentage of voting interests acquired |  |  |  |  |  |  |  |  |  |  |  | 100.00%
Engine [Member] | Employee Severance [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Reserve |  |  |  | 4.1 |  |  |  | 2.7 | 4.1 | 2.0 |  |
Restructuring expense |  |  |  |  |  |  |  | 5.6 | 11.3 |  |  |
Payments for Restructuring |  |  |  |  |  |  |  | (6.9) | (9.0) |  |  |
Restructuring Reserve, Translation Adjustment |  |  |  |  |  |  |  | (0.1) | (0.2) |  |  |
Engine [Member] | Remy International Inc [Member] | Employee Severance [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring expense |  |  |  |  |  |  |  |  | 0.0 |  |  |
Drivetrain [Member] | Employee Severance [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Reserve |  |  |  | $ 25.3 |  |  |  | 3.7 | 25.3 | $ 41.9 |  |
Restructuring expense |  |  |  |  |  |  |  | 5.0 | 32.6 |  |  |
Payments for Restructuring |  |  |  |  |  |  |  | (26.9) | (46.0) |  |  |
Restructuring Reserve, Translation Adjustment |  |  |  |  |  |  |  | $ 0.3 | (3.6) |  |  |
Drivetrain [Member] | Remy International Inc [Member] | Employee Severance [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring expense |  |  |  |  |  |  |  |  | $ 0.4 |  |  |

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