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Discontinued Operations and Assets and Liabilities Held for Sale (Financial Components of Discontinued Operations) (Details) - Discontinued Operations - North America Segment - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]      
Selling, general and administrative expenses $ (18.5) $ (27.9) $ (36.6)
Operating loss (18.5) (27.9) (36.6)
Loss from discontinued operations, net of tax $ (18.5) $ (27.9) $ (36.6)