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Income Taxes Presentation of Net Deferred Tax Liabilities and Assets (Details) - USD ($) $ in Thousands	Jul. 31, 2017	Jul. 31, 2016
Presentation of Net Deferred Tax Liabilities and Assets [Abstract]
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent	$ 9,331	$ 0
Deferred Tax Liabilities, Net, Noncurrent	171,442	129,994
Deferred Tax Liabilities, Net	$ 162,111	$ 129,994

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- Definition

Presentation of Net Deferred Tax Liabilities and Assets [Abstract]

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No definition available.

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as noncurrent.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

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