Property, Plant and Equipment - Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Jan. 31, 2025	Oct. 31, 2024	Jul. 31, 2024	Apr. 30, 2024	Jan. 31, 2024	Oct. 31, 2023	Jul. 31, 2023	Apr. 30, 2023
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 120,098				$ 125,825
Less: Accumulated depreciation and amortization	(100,178)				(106,389)
Property, plant and equipment, net	19,920	$ 20,480	$ 20,315	$ 19,037	19,436	$ 19,458	$ 19,740	$ 19,075
Land and buildings
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 1,323				1,399
Property, plant and equipment, Estimated Useful Lives	40 years
Furniture and equipment
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 46,039				54,169
Furniture and equipment | Minimum
Property Plant And Equipment [Line Items]
Property, plant and equipment, Estimated Useful Lives	4 years
Furniture and equipment | Maximum
Property Plant And Equipment [Line Items]
Property, plant and equipment, Estimated Useful Lives	10 years
Computer software
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 34,972				33,576
Computer software | Minimum
Property Plant And Equipment [Line Items]
Property, plant and equipment, Estimated Useful Lives	5 years
Computer software | Maximum
Property Plant And Equipment [Line Items]
Property, plant and equipment, Estimated Useful Lives	10 years
Leasehold improvements
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 35,982				35,131
Property, Plant, and Equipment, Useful Life, Term, Description [Extensible Enumeration]	us-gaap:UsefulLifeShorterOfTermOfLeaseOrAssetUtilityMember
Design fees and tooling costs
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 1,782				$ 1,550
Property, plant and equipment, Estimated Useful Lives	3 years