Income Taxes - Geographic Components (Details) - USD ($) $ in Thousands	12 Months Ended
Jul. 31, 2018	Jul. 31, 2017	Jul. 31, 2016
Income Taxes
Income (loss) before income taxes	$ 117,513	$ 106,233	$ 93,931
United States
Income Taxes
Income (loss) before income taxes	115,697	108,329	92,744
International
Income Taxes
Income (loss) before income taxes	$ 1,816	$ (2,096)	$ 1,187

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

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