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Revenue (Tables)
3 Months Ended
Mar. 31, 2018
Revenue Recognition and Deferred Revenue [Abstract]  
Disaggregation of revenue
We disaggregate our revenue by geographical region as follows:
Net Sales
 
For the quarter ended March 31, 2018
United States
 
$
268.2

Iceland
 
186.3

Total
 
$
454.5