Income Taxes - Schedule of Deferred Tax Assets (Liabilities) (Details) - USD ($) $ in Thousands	Jul. 31, 2023	Jul. 31, 2022
Tax Credit Carryforward [Line Items]
Deferred Tax Assets, Gross	$ 64,231	$ 53,570
Deferred Tax Liabilities, Gross	63,467	64,993
Deferred Tax Liabilities, Other	4,798	5,226
Deferred Tax Assets, Tax Deferred Expense, Other	19,826	17,919
Deferred Tax Liability, Valuation Allowance	0	0
Deferred Tax Assets, Valuation Allowance	52,750	47,276
Deferred Tax Liabilities Tax Credit Carryforwards And Net Operating Losses	0	0
Deferred Tax Assets, Tax Credit Carryforwards	51,387	49,006
Deferred tax liabilities, deferred tax expense, postretirement benefits	100	0
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits	2,683	2,301
Deferred Tax Liability, Deferred Expense, Deferred Compensation	0	0
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost	9,937	9,221
Deferred Tax Liabilities, Intangible Assets	49,267	50,095
Deferred Tax Assets, Goodwill and Intangible Assets	760	859
Deferred Tax Assets, in Process Research and Development	9,986
Deferred Tax Liabilities, Property, Plant and Equipment	9,238	9,618
Deferred Tax Assets, Property, Plant and Equipment	3,118	3,177
Deferred Tax Liabilities Accounts Receivable	0	0
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Allowance for Doubtful Accounts	2,202	2,105
Deferred Tax Liabilities Tax Deferred Expense Compensation And Benefits Employee Benefits	0	0
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Benefits	8,556	8,146
Deferred Tax Liabilities, Inventory	64	54
Deferred Tax Assets, Inventory	8,526	8,112
Deferred Tax Liabilities, In Process Research and Development	0
Net of liabilities [Member]
Tax Credit Carryforward [Line Items]
Deferred Tax Assets, Tax Deferred Expense, Other	15,028	12,693
Deferred income taxes	764
Deferred Tax Assets, Valuation Allowance	52,750	47,276
Deferred Tax Assets, Tax Credit Carryforwards	51,387	49,006
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits	2,583	2,301
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost	9,937	9,221
Deferred Tax Assets, in Process Research and Development	9,986
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Allowance for Doubtful Accounts	2,202	2,105
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Benefits	8,556	8,146
Deferred Tax Assets, Inventory	8,462	8,058
Net of assets [Member]
Tax Credit Carryforward [Line Items]
Deferred Tax Liabilities, Net		11,423
Deferred Tax Liabilities, Intangible Assets	48,507	49,236
Deferred Tax Liabilities, Property, Plant and Equipment	$ 6,120	$ 6,441