XML 64 R53.htm IDEA: XBRL DOCUMENT v3.21.2

Basis of Presentation, Summary of Significant Accounting Policies and Change in Accounting Principles - Goodwill (Details)		1 Months Ended	9 Months Ended
	Oct. 31, 2020 reportingUnit	May 31, 2020 reportingUnit	Sep. 30, 2021 unit	Sep. 30, 2021 reportingUnit
Accounting Policies [Abstract]
Number of reporting units for goodwill testing	2	2	3	3

X

- References

No definition available.

+ Details

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

X

- Definition

Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.

+ References

No definition available.

+ Details

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