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Revenue (Tables)
 9 Months Ended
Sep. 30, 2022
Revenue Recognition and Deferred Revenue [Abstract]  
Disaggregation of revenue by geographical region
We disaggregate our revenue by geographical region as follows:
Net SalesThree months ended September 30,Nine months ended September 30,
2022202120222021
United States$353.5 $373.8 $1,443.0 $997.9 
Iceland283.7 207.6 804.4 555.5 
Total$637.2 $581.4 $2,247.4 $1,553.4