Income Taxes (Narrative) (Details) $ in Millions	Sep. 30, 2020 USD ($)
Accrued Income Taxes [Abstract]
Unrecognized tax benefits	$ 340.0
UTB tthat would impact effective tax rate	145.9
Reduction in UTB	55.0
Positive impact of UTB	$ 5.0

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Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
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Amount of increase reasonably possible in the next twelve months for the unrecognized tax benefit.

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Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 15A
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