XML 52 R83.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2

Business Segment Information - Additional Information (Details)	3 Months Ended
	Dec. 31, 2019 Segment
Segment Reporting [Abstract]
Number of reportable segments of entity (in segments)	4

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.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_SegmentReportingAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration