Debt (Details) - USD ($) $ in Millions	6 Months Ended
Jan. 31, 2023	Jul. 31, 2022
Debt Instrument [Line Items]
Maximum Allowable Debt	$ 75	$ 50
Line of Credit
Debt Instrument [Line Items]
Line of Credit Facility, Expiration Date	Aug. 30, 2027

Date the credit facility terminates, in YYYY-MM-DD format.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Name:	us-gaap_LineOfCreditFacilityExpirationDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration