Commitment and Contingencies (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
Apr. 30, 2026	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2023
Commitments and Contingencies Disclosure [Abstract]
Georgia Landfill Modification Reserve	$ 3.6			$ 2.5
Georgia Landfill Modification Reserve, Period Increase (Decrease)	$ (0.2)	$ 0.7	$ 0.6

Undiscounted amount of the accrual for environmental loss contingencies.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.Y.Q1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480102/450-20-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 410
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481931/410-30-50-7

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