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Schedule of Segment Reporting Information by Segment (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Segment Reporting Information [Line Items] |  |  |
Sales Revenue, Goods, Net, Inclusive of Intersegment Sales | $ 7,818.5 | $ 6,776.3 | $ 4,287.8
Sales Revenue, Goods, Net, Intersegment Sales | 548.1 | 510.3 | 339.8
Net sales | 7,270.4 | 6,266.0 | 3,948.0
Segment Adjusted EBITDA | 1,183.9 | 1,102.7 | 619.4
Depreciation and amortization | 528.8 | 428.5 | 201.8
Capital Expenditures | 524.7 | 477.7 | 223.0
Total Assets | 7,510.7 | 7,882.8 | 3,422.3
Driveline [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales Revenue, Goods, Net, Inclusive of Intersegment Sales | 4,254.8 | 4,040.8 | 3,735.6
Sales Revenue, Goods, Net, Intersegment Sales | 0.8 | 1.1 | 4.9
Net sales | 4,254.0 | 4,039.7 | 3,730.7
Segment Adjusted EBITDA | 660.7 | 692.3 | 515.8
Depreciation and amortization | 211.7 | 189.4 | 160.8
Capital Expenditures | 283.3 | 296.9 | 159.0
Total Assets | 2,463.5 | 2,303.0 | 2,183.9
Metal Forming [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales Revenue, Goods, Net, Inclusive of Intersegment Sales | 1,515.4 | 1,242.6 | 552.2
Sales Revenue, Goods, Net, Intersegment Sales | 418.0 | 412.6 | 334.9
Net sales | 1,097.4 | 830.0 | 217.3
Segment Adjusted EBITDA | 285.9 | 232.3 | 103.6
Depreciation and amortization | 118.6 | 95.1 | 24.1
Capital Expenditures | 102.2 | 65.2 | 22.9
Total Assets | 2,143.1 | 2,175.3 | 410.3
Powertrain [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales Revenue, Goods, Net, Inclusive of Intersegment Sales | 1,128.5 | 816.5 | 0.0
Sales Revenue, Goods, Net, Intersegment Sales | 13.8 | 9.9 | 0.0
Net sales | 1,114.7 | 806.6 | 0.0
Segment Adjusted EBITDA | 163.7 | 131.1 | 0.0
Depreciation and amortization | 120.9 | 81.7 | 0.0
Capital Expenditures | 97.6 | 84.7 | 0.0
Total Assets | 1,679.6 | 1,824.0 | 0.0
Casting [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales Revenue, Goods, Net, Inclusive of Intersegment Sales | 919.8 | 676.4 | 0.0
Sales Revenue, Goods, Net, Intersegment Sales | 115.5 | 86.7 | 0.0
Net sales | 804.3 | 589.7 | 0.0
Segment Adjusted EBITDA | 73.6 | 47.0 | 0.0
Depreciation and amortization | 77.6 | 50.8 | 0.0
Capital Expenditures | 41.6 | 30.9 | 0.0
Total Assets | 664.7 | 984.3 | 0.0
Corporate and Eliminations [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales Revenue, Goods, Net, Inclusive of Intersegment Sales | 0.0 | 0.0 | 0.0
Sales Revenue, Goods, Net, Intersegment Sales | 0.0 | 0.0 | 0.0
Net sales | 0.0 | 0.0 | 0.0
Segment Adjusted EBITDA | 0.0 | 0.0 | 0.0
Depreciation and amortization | 0.0 | 11.5 | 16.9
Capital Expenditures | 0.0 | 0.0 | 41.1
Total Assets | $ 559.8 | $ 596.2 | $ 828.1

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