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Nature of Operations and Basis of Presentation (Details) - USD ($)	3 Months Ended		6 Months Ended		18 Months Ended
	Apr. 30, 2026	Apr. 30, 2025	Apr. 30, 2026	Apr. 30, 2025	Apr. 30, 2026
Nature of Operations [Line Items]
Net sales	$ 462,367,000	$ 452,478,000	$ 871,456,000	$ 852,522,000
Restructuring and Related Cost, Incurred Cost		900,000		8,800,000
Restructuring Charges	0	936,000	0	8,840,000
Employee Severance
Nature of Operations [Line Items]
Restructuring Charges		900,000		4,900,000
License
Nature of Operations [Line Items]
Restructuring Charges				3,900,000
Restructuring charges paid
Nature of Operations [Line Items]
Restructuring Charges					$ 6,000,000.0
Restructuring charges accrued
Nature of Operations [Line Items]
Restructuring Charges			300,000
Non-employee directors
Nature of Operations [Line Items]
Net sales	500,000	500,000	800,000	1,000,000.0
Cost of Product and Service Sold	$ 200,000	$ 0	300,000	$ 100,000
Non-employee directors \| No single transaction or series of related transactions exceeded $120,000
Nature of Operations [Line Items]
Net sales			$ 120,000