Segments - Additional Information (Detail) |
3 Months Ended |
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Jul. 31, 2021
Segment
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| Segment Reporting [Abstract] | |
| Number of business segments | 7 |
| Number of line of business | 4 |
| X | ||||||||||
- Definition Number of line of business. No definition available.
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| X | ||||||||||
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- References No definition available.
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