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Income Taxes (Effective Income Tax Rate Reconciliation) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract]
Income tax at U.S. statutory rate; 21%, 21% and 35%, respectively	$ 34.3	$ 33.2	$ 55.3
Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act, Amount	0.0	3.1	(25.7)
State, local and other tax, net of federal benefit	5.8	2.2	3.6
GILTI/FDII	3.1	3.7	0.0
U.S. effect of foreign dividends and withholding taxes	2.1	2.2	4.9
Foreign income taxed at a higher (lower) effective rate	4.2	0.9	(6.9)
Net Brazilian Tax Assessments impact	6.5	(4.4)	2.2
Increase (decrease) in valuation allowance	0.4	5.2	(0.6)
Excess expense (benefit) from stock-based compensation	0.2	(2.5)	(5.6)
Other	0.1	7.6	(0.8)
Income tax expense	$ 56.7	$ 51.2	$ 26.4
Effective income tax rate	34.70%	32.40%	16.70%

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Amount of reported income tax expense (benefit)for GILTI/FDII taxes from the Tax Cuts and Jobs Act.

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