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Income Taxes Components of Income before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2018
Components of Income Before Income Taxes [Abstract]
Income (Loss) from Continuing Operations before Income Taxes, Domestic	$ 89,838	$ 306,323	$ 264,379
Income (Loss) from Continuing Operations before Income Taxes, Foreign	26,595	92,642	75,713
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest	$ 116,433	$ 398,965	$ 340,092

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Components of Income Before Income Taxes [Abstract]

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The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

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The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

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Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

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