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Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Unrecognized income tax benefits that would affect effective tax rate	$ 179.4	$ 166.1
Accrued or deferred taxes relating to uncertain income tax positions	56.2	58.5
Accrued interest and penalties relating to unrecognized tax benefits	31.0	$ 27.2
Non-cash deferred income tax charge	$ 53.7

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Amount recognized for uncertainty in income taxes classified as current.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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The portion of the noncash component of income tax expense for the period other than the portion from the net change in the entity's deferred tax assets and liabilities.

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-Publisher FASB
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-Topic 230
-SubTopic 10
-Section 45
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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
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-Section 50
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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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