Income Taxes Income (Loss) from Continuing Operations Before Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended	12 Months Ended
Apr. 01, 2017	Dec. 31, 2017	Dec. 31, 2019	Dec. 31, 2018
Income (Loss) From Continuing Operations Before Income Taxes by Location [Line Items]
U.S.	$ 2,408.7	$ 10.4	$ (374.2)	$ (43.4)
Non-U.S.	(2,868.0)	541.7	231.9	707.5
Total	$ (459.3)	$ 552.1	$ (142.3)	$ 664.1

[Line Items] for Income (Loss) From Continuing Operations Before Income Taxes by Location [Table]

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The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

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- Definition

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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The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

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