Income Taxes - Earnings Before Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
United States	$ 1,213.3	$ 91.3	$ 214.3
International	294.4	245.4	351.5
Earnings from continuing operations before income taxes	$ 1,507.7	$ 336.7	$ 565.8

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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+ Details