Tax Cuts And Jobs Act, Change In Tax Rate, Base Erosion And Anti-Abuse Tax Liability

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Tax Cuts And Jobs Act, Change In Tax Rate, Change In Base Erosion And Anti-Abuse Tax Liability

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

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Amount of increase (decrease) in unrecognized tax benefits attributable to uncertain tax positions taken in tax returns.

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

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Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
Income Taxes (Details Textual) - USD ($) $ in Thousands	Apr. 30, 2020	Apr. 30, 2019	Apr. 30, 2020	Apr. 30, 2019	Jul. 31, 2019
Income Tax Contingency [Line Items]
Benefit from income taxes	$ (5,351)	$ (4,382)	$ (7,773)	$ (9,002)
Base erosion and anti-abuse tax liability			$ 11,300
Change in base erosion and anti-abuse tax liability	$ 1,000
Effective income tax rate, continuing operations	15.00%		11.00%
Percentage of Statutory federal income tax rate			21.00%
Unrecognized tax benefits	$ 300		$ 1,000
Unrecognized tax benefits that would impact tax rate	$ 6,900		6,900
Latest Tax Year
Income Tax Contingency [Line Items]
Base erosion and anti-abuse tax liability			$ 5,400
Previous year
Income Tax Contingency [Line Items]
Base erosion and anti-abuse tax liability					$ 5,900