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Income Taxes - Effective Income Tax Rate Reconciliation (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract]      
Income tax at U.S. statutory rate; 21% $ 23.4 $ 16.5 $ 34.3
Unrecognized tax benefits (1.9) 0.0 0.0
Impact on final GILTI regulations for 2018 and 2019 (1.0) (2.7) 0.0
Statutory tax rate changes (6.8) (2.0) 0.0
Statutory tax law changes (1.2) 0.0 0.0
State, local and other tax, net of federal benefit 2.0 0.1 5.8
Impact from foreign inclusions 3.2 1.3 3.1
U.S. effect of foreign dividends and withholding taxes 1.2 1.0 2.1
Foreign income taxed at a higher effective rate 1.5 1.4 4.2
Net Brazilian Tax Assessments impact 0.5 1.5 6.5
(Decrease) increase in valuation allowance (11.4) 2.2 0.4
General business credit (2.1) 0.0 0.0
Excess expense from stock-based compensation 0.5 0.9 0.2
Other increase (decrease) 1.6 (3.6) 0.1
Total income tax expense $ 9.5 $ 16.6 $ 56.7
Effective income tax rate 8.50% 21.10% 34.70%