Balance Sheet Components (Details) - USD ($)	12 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2020
Balance Sheet Related Disclosures [Abstract]
Property and equipment pledged as collateral	$ 0	$ 0
Depreciation expense	14,000,000	14,000,000	$ 14,500,000
Amortization	6,300,000	3,400,000	1,400,000
Goodwill	372,192,000	340,877,000
Amortization of intangible assets	14,100,000	20,000,000	26,800,000
Cost of investment	12,300,000	2,400,000
Equity Securities without Readily Determinable Fair Value, Impairment Loss, Annual Amount	0	0	10,700,000
Convertible Debt	1,100,000
Interest on Convertible Debt, Net of Tax	$ 1,600,000	$ 0	$ 0