VIE’s Summarized Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Oct. 31, 2022	Jul. 31, 2022
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Cash and equivalents	$ 107,895	$ 98,352
Trade accounts receivable, net	57,875	64,315
Prepaid expenses	15,057	17,526
Other current assets	31,834	30,773
Property, plant, and equipment, net	37,425	36,866
Other intangibles, net	9,103	9,609
Total assets	490,693	497,094
Trade accounts payable	31,670	29,080
Accrued expenses	107,374	117,109
Other current liabilities	34,715	36,588
Accumulated other comprehensive loss	(11,672)	(11,305)
Noncontrolling interests	4,343	3,022
Total liabilities and noncontrolling interests	490,693	497,094
Variable Interest Entity, Primary Beneficiary [Member]
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Cash and equivalents	1,968	1,808
Restricted cash	6,349	4,490
Trade accounts receivable, net	5	31
Prepaid expenses	165	14
Other current assets	1,030	1,387
Due from the Company		86
Property, plant, and equipment, net	422	467
Other intangibles, net	851	889
Total assets	10,790	9,172
Trade accounts payable
Accrued expenses	43	20
Other current liabilities	7,022	5,559
Due to the Company	11
Accumulated other comprehensive loss	(28)	(9)
Noncontrolling interests	3,742	3,602
Total liabilities and noncontrolling interests	$ 10,790	$ 9,172