Income Taxes (Details Textuals) - USD ($) $ in Thousands	12 Months Ended
Jul. 31, 2021	Jul. 31, 2020	Jul. 31, 2019
Tax Credit Carryforward [Line Items]
Tax Credit Carryforward, Amount	$ 24,400	$ 15,100
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	21.00%	21.00%
Valuation allowance	$ 24,987	$ 15,429
Unrecognized tax benefits that would impact effective tax rate	37,800	29,000
Interest and penalties related to income tax	7,200	$ 8,900	$ 7,600
Undistributed Earnings of Foreign Subsidiaries	$ 234,700
Effective Income Tax Rate Reconciliation, Percent	16.50%	12.60%	16.10%
Tax Adjustments, Settlements, and Unusual Provisions	$ 19,800	$ 1,700	$ 10,200
Share-based Payment Arrangement, Expense, Tax Benefit	$ 29,800	$ 92,500	$ 46,100

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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Amount of increase (decrease) to previously recorded tax expense. Includes, but is not limited to, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, and IRS tax settlement.

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The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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