Intangible Assets and Long-Lived Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2021	Jul. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	$ 132,094	$ 55,004
Finite-Lived Intangible Assets, Accumulated Amortization	(39,760)	(32,670)
Other intangible assets	92,334	22,334
Indefinite-lived Intangible Assets (Excluding Goodwill)	$ 9,745	$ 9,619
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	3 years	3 years
Finite-Lived Intangible Assets, Gross	$ 1,821	$ 663
Finite-Lived Intangible Assets, Accumulated Amortization	(356)	(55)
Finite-Lived Intangible Assets, Net	$ 1,465	$ 608
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	9 years	9 years
Finite-Lived Intangible Assets, Gross	$ 110,950	$ 44,722
Finite-Lived Intangible Assets, Accumulated Amortization	(39,069)	(32,615)
Finite-Lived Intangible Assets, Net	$ 71,881	12,107
Technology-Based Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	5 years
Finite-Lived Intangible Assets, Gross	$ 9,578	0
Finite-Lived Intangible Assets, Accumulated Amortization	(335)	0
Finite-Lived Intangible Assets, Net	$ 9,243	$ 0