Summary of Statements of Operations (Details) - USD ($) $ in Thousands		3 Months Ended
		Oct. 31, 2023	Oct. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Revenues		$ 301,205	$ 321,816
Selling, general and administrative	[1]	77,222	69,620
Total costs and expenses		77,263	68,920
Loss from operations		17,165	20,226
Other expense, net		(5,586)	(3,842)
Net loss		8,476	12,555
Equity Method Investee [Member]
Defined Benefit Plan Disclosure [Line Items]
Revenues		2,551	1,873
Direct cost of revenues		2,193	1,694
Selling, general and administrative		2,093	1,636
Total costs and expenses		4,286	3,330
Loss from operations		(1,735)	(1,457)
Other expense, net		(104)	(344)
Net loss		$ (1,839)	$ (1,801)

[1] Stock-based compensation included in selling, general and administrative expense