SELECTED FINANCIAL STATEMENT INFORMATION (Tables)

12 Months Ended

Oct. 31, 2021

Selected Financial Statement Information [Abstract]

Schedule of Accounts Receivable [Table Text Block]

Accounts Receivable

	As of October 31,
(in thousands)	2021	2020
Accounts receivable	$255,793	$223,171
Less: Allowance for doubtful accounts	(10,874)	(12,738)
Accounts receivable, net	$244,919	$210,433

Schedule of Inventory [Table Text Block]

Inventories

	As of October 31,
(in thousands)	2021	2020
Finished products	$238,867	$235,501
Work in process	44,887	37,957
Materials, parts, assemblies and supplies	194,296	189,747
Inventories, net of valuation reserves	$478,050	$463,205

Property, Plant and Equipment [Table Text Block]

Property, Plant and Equipment

	As of October 31,
(in thousands)	2021	2020
Land	$11,363	$6,678
Buildings and improvements	134,150	120,769
Machinery, equipment and tooling	297,297	265,408
Construction in progress	7,784	8,487
	450,594	401,342
Less: Accumulated depreciation and amortization	(256,956)	(232,494)
Property, plant and equipment, net	$193,638	$168,848

Schedule Of Accrued Expenses and Other Current Liabilities [Table Text Block]

Accrued Expenses and Other Current Liabilities

	As of October 31,
(in thousands)	2021	2020
Accrued employee compensation and related payroll taxes	$121,200	$83,055
Contract liabilities	32,738	25,631
Accrued customer rebates and credits	13,237	15,813
Current operating lease liabilities	13,874	14,180
Other	25,808	23,553
Accrued expenses and other current liabilities	$206,857	$162,232

Schedule of Research and Development Expenses [Table Text Block]

The amount of new product research and development ("R&D") expenses included in cost of sales is as follows (in thousands):

	Year ended October 31,
	2021	2020	2019
R&D expenses	$68,877	$65,559	$66,630

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

Changes in the components of accumulated other comprehensive loss during fiscal 2021 and 2020 are as follows (in thousands):

	Foreign Currency Translation	Defined Benefit Pension Plan	Accumulated Other Comprehensive Loss
Balances as of October 31, 2019	($14,989)	($1,750)	($16,739)
Unrealized gain (loss)	8,529	(1,012)	7,517
Amortization of unrealized loss	—	73	73
Balances as of October 31, 2020	(6,460)	(2,689)	(9,149)
Unrealized (loss) gain	(529)	991	462
Amortization of unrealized loss	—	135	135
Balances as of October 31, 2021	($6,989)	($1,563)	($8,552)