Income Taxes - Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2018
Current income tax expense:
United States	$ 3,031	$ 2,232	$ 2,830
Other Nations	25,133	22,445	26,593
States (U.S.)	1,160	913	910
Total current income tax expense	29,324	25,590	30,333
Deferred income tax expense (benefit):
United States	1,072	8,451	30,267
Other Nations	(2,065)	(667)	(1,462)
States (U.S.)	(10)	12	1,817
Total deferred income tax (benefit) expense	(1,003)	7,796	30,622
Income Tax Expense (Benefit), Continuing Operations	$ 28,321	$ 33,386	$ 60,955