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Leases (Supplemental Lease Information) (Details) - USD ($) $ in Thousands	Oct. 31, 2021	Jul. 31, 2021
Assets and Liabilities, Lessee [Abstract]
Operating lease assets	$ 94,568	$ 97,447
Current portion of lease liabilities	11,312	11,624
Non-current portion of lease liabilities	112,300	115,374
Total lease liabilities	$ 123,612	$ 126,998
Weighted average remaining lease term (years)	8 years 6 months 7 days	8 years 8 months 26 days
Weighted average discount rate	4.20%	4.20%

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- References

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Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
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Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

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Amount of lessee's right to use underlying asset under operating lease.

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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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