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Revenue (Table) | 12 Months Ended
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Dec. 31, 2019
Revenue from Contract with Customer [Abstract] |
Disaggregation of revenue | We disaggregate our revenue by geographical region as follows:
|  | Year ended December 31,
Net Sales |  | 2019 |  | 2018 |  | 2017
United States |  | $ | 1,179.6 |  |  | $ | 1,138.6 |  |  | $ | 938.4 |
Iceland |  | 657.0 |  |  | 754.6 |  |  | 650.7 |
Total |  | $ | 1,836.6 |  |  | $ | 1,893.2 |  |  | $ | 1,589.1 |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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