Employee Benefit Plans - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2021
Retirement Benefits [Abstract]
Deferred compensation arrangement with individual, recorded liability	$ 18,288	$ 18,043
Accrued retirement and profit-sharing contributions	3,717	3,644
Pension and other postretirement benefit expense	$ 15,089	$ 15,063	$ 13,246

The carrying amount of the liability as of the balance sheet date to an individual under a deferred compensation arrangement. This amount may be the result of periodic accruals made over the period of active employment, or reflect termination benefits resulting contractual terms or a death benefit.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 710
-SubTopic 10
-Name Accounting Standards Codification
-Section 30
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483043/710-10-30-1

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