Income Taxes Presentation of Net Deferred Tax Liabilities and Assets (Details) - USD ($) $ in Thousands	Jul. 31, 2021	Jul. 31, 2020
Presentation of Net Deferred Tax Liabilities and Assets [Abstract]
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent	$ 3,059	$ 6,751
Deferred Tax Liabilities, Net, Noncurrent	252,817	234,191
Deferred Tax Liabilities, Net	$ 249,758	$ 227,440

Presentation of Net Deferred Tax Liabilities and Assets [Abstract]

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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=120406818&loc=d3e31931-109318

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-Publisher FASB
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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting.

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
-Paragraph 6
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