Basis of Statement Presentation Revenue Recognition (Details) - Payments In Advance - USD ($) $ in Millions	6 Months Ended
Jan. 31, 2024	Jul. 31, 2023
Deferred Revenue Arrangement
Liability for Payments in Advance	$ 0.2	$ 0.0
Payments in Advance, Revenue Recognized	$ 0.0

Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as current.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(20))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Name:	us-gaap_DeferredRevenueCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant