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Sales and Segment Adjusted EBITDA (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Segment Reporting Information [Line Items] |  |  |  |
Sales Revenue, Goods, Net, Inclusive of Intersegment Sales | $ 1,846.0 | $ 2,047.9 | $ 3,689.3 | $ 4,045.3
Sales Revenue, Goods, Net, Intersegment Sales | 141.7 | 147.0 | 265.8 | 286.0
Revenues | 1,704.3 | 1,900.9 | 3,423.5 | 3,759.3
Total Segment Adjusted EBITDA | 266.0 | 347.9 | 511.0 | 664.9
Driveline [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Sales Revenue, Goods, Net, Inclusive of Intersegment Sales | 1,141.1 | 1,274.3 | 2,275.8 | 2,490.4
Sales Revenue, Goods, Net, Intersegment Sales | 1.1 | 1.7 | 2.0 | 3.5
Revenues | 1,140.0 | 1,272.6 | 2,273.8 | 2,486.9
Total Segment Adjusted EBITDA | 152.9 | 204.3 | 290.1 | 394.0
Metal Forming [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Sales Revenue, Goods, Net, Inclusive of Intersegment Sales | 484.2 | 530.4 | 967.5 | 1,072.7
Sales Revenue, Goods, Net, Intersegment Sales | 106.8 | 111.8 | 202.0 | 219.8
Revenues | 377.4 | 418.6 | 765.5 | 852.9
Total Segment Adjusted EBITDA | 88.0 | 116.7 | 173.3 | 222.4
Casting [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Sales Revenue, Goods, Net, Inclusive of Intersegment Sales | 220.7 | 243.2 | 446.0 | 482.2
Sales Revenue, Goods, Net, Intersegment Sales | 33.8 | 33.5 | 61.8 | 62.7
Revenues | 186.9 | 209.7 | 384.2 | 419.5
Total Segment Adjusted EBITDA | $ 25.1 | $ 26.9 | $ 47.6 | $ 48.5

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- Definition Segment Adjusted EBITDA is defined as earnings before interest, income taxes, depreciation and amortization for our reportable segments, excluding the impact of restructuring and acquisition-related costs, debt refinancing and redemption costs and non-recurring items + References No definition available. + Details
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(1)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
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