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Revenue
9 Months Ended
Sep. 30, 2020
Revenue Recognition and Deferred Revenue [Abstract]  
Revenue Revenue
We disaggregate our revenue by geographical region as follows:
Net Sales
Three months ended September 30,
Nine months ended September 30,
2020
2019
2020
2019
United States$242.0 $277.1 $764.0 $911.9 
Iceland150.9 160.9 452.0 489.3 
Total$392.9 $438.0 $1,216.0 $1,401.2