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Revenue - Disaggregation of Revenue (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disaggregation of Revenue [Line Items]      
Net Sales $ 2,212.5 $ 1,605.1 $ 1,836.6
United States      
Disaggregation of Revenue [Line Items]      
Net Sales 1,413.0 1,007.5 1,179.6
Iceland      
Disaggregation of Revenue [Line Items]      
Net Sales $ 799.5 $ 597.6 $ 657.0