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Business, Product and Geographical Area Information (Tables) | 3 Months Ended
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Mar. 31, 2021
Segment Reporting [Abstract] |
Schedule of Net Sales by End Market Segment Applications | The following table presents Net sales by end market applications and by timing of control transfer (in millions of dollars):
|  | Quarter Ended March 31, |
|  | 2021 |  |  | 2020 |
Net sales: |  |  |  |  |  |  |  |
Aero/HS products |  | $ | 111.7 |  |  | $ | 196.0 |
Automotive Extrusions |  |  | 57.6 |  |  |  | 47.4 |
GE products |  |  | 150.4 |  |  |  | 121.7 |
Other products |  |  | 4.3 |  |  |  | 4.2 |
Total net sales |  | $ | 324.0 |  |  | $ | 369.3 |
Timing of revenue recognition: |  |  |  |  |  |  |  |
Products transferred at a point in time |  | $ | 200.2 |  |  | $ | 215.6 |
Products transferred over time |  |  | 123.8 |  |  |  | 153.7 |
Total net sales |  | $ | 324.0 |  |  | $ | 369.3 |
Schedule of Income Taxes Paid by Geographical Area | The following table presents geographic information for income taxes paid (in millions of dollars):
|  | Quarter Ended March 31, |
|  | 2021 |  |  | 2020 |
Income taxes paid: |  |  |  |  |  |  |  |
Domestic |  | $ | 0.1 |  |  | $ | — |
Foreign |  |  | 0.3 |  |  |  | 0.1 |
Total income taxes paid |  | $ | 0.4 |  |  | $ | 0.1 |

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- Definition Tabular disclosure of entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9031-108599 + Details
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