Acquisitions (Summary of Noncontrolling Interest) (Details) - BOFA International LTD - USD ($) $ in Millions	3 Months Ended
Jul. 31, 2019	Oct. 18, 2018
Business Acquisition [Line Items]
Company’s initial non-controlling interest	$ 10.0	$ 13.1
Purchase of additional 3% of fair value	$ 3.1
Additional ownership percentage acquired	3.00%

Business Acquisition, Additional Percentage of Voting Interests Acquired

No definition available.

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- Definition

Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value, Additions

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

This element represents the fair value of the noncontrolling interest in the acquiree at the acquisition date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (e)(1)
-URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472

+ Details

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- Details

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