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Leases - Narrative (Details)
$ in Millions
 9 Months Ended
Apr. 30, 2022
USD ($)
optionToExtend
Lessee, Lease, Description [Line Items]  
Number of options to extend | optionToExtend 1
Option to extend operating leases 10 years
Option to extend sublease 5 years
Operating lease not yet commenced | $ $ 175
Maximum  
Lessee, Lease, Description [Line Items]  
Operating lease terms 10 years
Operating sublease terms 3 years
Term for leases not yet commenced 13 years 6 months
Minimum  
Lessee, Lease, Description [Line Items]  
Term for leases not yet commenced 9 years 8 months 12 days