Leases (Supplemental Lease Information) (Details) - USD ($) $ in Thousands	Oct. 31, 2020	Jul. 31, 2020
Assets and Liabilities, Lessee [Abstract]
Operating lease assets	$ 108,378	$ 103,797
Current portion of lease liabilities	11,580	10,936
Non-current portion of lease liabilities	125,536	119,408
Total lease liabilities	$ 137,116	$ 130,344
Weighted average remaining lease term (years)	9 years 2 months 1 day	9 years 3 months 7 days
Weighted average discount rate	4.18%	4.34%

No definition available.

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- Definition

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)
-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977

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

+ References

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

+ References

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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