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Restructuring (Details) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 USD ($) employee | Mar. 31, 2018 USD ($) | Jun. 30, 2017 USD ($) | Mar. 31, 2017 USD ($) | Jun. 30, 2018 USD ($) | Jun. 30, 2017 USD ($)
Restructuring Reserve [Roll Forward] |  |  |  |  |  |
Provision | $ 31.2 |  | $ 0.0 |  | $ 38.7 | $ 0.0
Drivetrain [Member] |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |
Provision | 3.2 |  |  |  | 5.5 |
Engine [Member] |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |
Provision | 28.1 |  |  |  | 32.9 |
Employee Severance [Member] |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |
Beginning Balance | 5.6 | $ 5.4 | 2.8 | $ 6.4 | 5.4 | 6.4
Provision | 27.1 | 1.8 |  |  |  |
Cash payments | (6.1) | (1.7) | (0.6) | (3.7) |  |
Translation adjustment | (0.1) | 0.1 | 0.1 | 0.1 |  |
Ending Balance | 26.5 | 5.6 | 2.3 | 2.8 | 26.5 | 2.3
Employee Severance [Member] | Drivetrain [Member] |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |
Beginning Balance | 4.7 | 4.1 | 2.1 | 3.7 | 4.1 | 3.7
Provision | 1.7 | 1.1 |  |  |  |
Cash payments | (1.3) | (0.6) | (0.2) | (1.6) |  |
Translation adjustment | (0.1) | 0.1 | 0.1 | 0.0 |  |
Ending Balance | 5.0 | 4.7 | 2.0 | 2.1 | 5.0 | 2.0
Employee Severance [Member] | Engine [Member] |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |
Beginning Balance | 0.9 | 1.3 | 0.7 | 2.7 | 1.3 | 2.7
Provision | 25.4 | 0.7 |  |  |  |
Cash payments | (4.8) | (1.1) | (0.4) | (2.1) |  |
Translation adjustment | 0.0 | 0.0 | 0.0 | 0.1 |  |
Ending Balance | $ 21.5 | $ 0.9 | $ 0.3 | $ 0.7 | $ 21.5 | $ 0.3
Emissions [Member] | Engine [Member] |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |
Restructuring and Related Cost, Expected Number of Positions Eliminated | employee | 140 |  |  |  |  |
Emissions [Member] | Employee Severance [Member] | Engine [Member] |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |
Provision | $ 25.3 |  |  |  |  |

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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
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