Schedule of Liabilities Measured at Fair Value On a Recurring Basis Using Significant Unobservable Inputs (Level 3) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2022	Jan. 31, 2021
Fair Value Disclosures [Abstract]
Balance, beginning of period	$ 1,015	$ 391	$ 1,025	$ 396
Transfer into Level 3 from acquisitions		393		393
“Other operating (expense) gain, net”	(303)		(303)
“Foreign currency translation adjustment”	(9)	15	(19)	10
Balance, end of period	703	799	703	799
Change in unrealized gains or losses for the period included in earnings for liabilities held at the end of the period