SELECTED FINANCIAL STATEMENT INFORMATION (Tables)

12 Months Ended

Oct. 31, 2019

Selected Financial Statement Information [Abstract]

Schedule of Accounts Receivable [Table Text Block]

Accounts Receivable

	As of October 31,
(in thousands)	2019			2018
Accounts receivable		$277,992			$240,544
Less: Allowance for doubtful accounts	(3,666		)	(3,258		)
Accounts receivable, net		$274,326			$237,286

Schedule of Inventory [Table Text Block]

Inventories

	As of October 31,
(in thousands)	2019		2018
Finished products		$199,880		$192,758
Work in process	32,548		49,315
Materials, parts, assemblies and supplies	187,891		158,039
Contracts in process	—		1,649
Less: Billings to date	—		(208		)
Inventories, net of valuation reserves		$420,319		$401,553

Property, Plant and Equipment [Table Text Block]

Property, Plant and Equipment

	As of October 31,
(in thousands)	2019			2018
Land		$6,820			$5,864
Buildings and improvements	116,997			101,424
Machinery, equipment and tooling	253,127			230,108
Construction in progress	8,382			5,044
	385,326			342,440
Less:  Accumulated depreciation and amortization	(211,981		)	(187,701		)
Property, plant and equipment, net		$173,345			$154,739

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

Accrued Expenses and Other Current Liabilities

	As of October 31,
(in thousands)	2019		2018
Accrued employee compensation and related payroll taxes		$112,602		$97,048
Contract liabilities	23,809		28,262
Accrued customer rebates and credits	17,978		16,861
Contingent consideration and other accrued purchase consideration	497		6,138
Other	24,071		23,205
Accrued expenses and other current liabilities		$178,957		$171,514

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,
	2019		2018		2017
R&D expenses		$66,630		$57,450		$46,473

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

Changes in the components of accumulated other comprehensive loss during fiscal 2019 and 2018 are as follows (in thousands):

	Foreign Currency Translation			Defined Benefit Pension Plan			Accumulated Other Comprehensive Loss
Balances as of October 31, 2017		($9,533	)		($1,023	)		($10,556	)
Unrealized (loss) gain	(4,837		)	124			(4,713		)
Amortization of unrealized loss	—			13			13
Balances as of October 31, 2018	(14,370		)	(886		)	(15,256		)
Unrealized loss	(619		)	(889		)	(1,508		)
Amortization of unrealized loss	—			25			25
Balances as of October 31, 2019		($14,989	)		($1,750	)		($16,739	)