Acquisitions (Details) - BOFA International LTD - USD ($) $ in Millions	3 Months Ended
Jul. 31, 2019	Oct. 31, 2018
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired		88.00%
Business combination, consideration transferred		$ 98.2
Cash acquired		$ 2.2
Additional voting interest acquired (percentage)	3.00%
Ownership percentage (percentage)	91.00%

Business Acquisition, Additional Percentage Of Voting Interests Acquired

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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.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

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-Publisher FASB
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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

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- Definition

The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).

+ References

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-Publisher FASB
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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

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