SELECTED FINANCIAL STATEMENT INFORMATION SELECTED FINANCIAL STATEMENT INFORMATION, Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Balance Start	$ (16,739)	$ (15,256)
Unrealized gain/(loss)	7,937	(1,708)	$ (5,327)
Amortization of unrealized loss	73	25
Accumulated Other Comprehensive Income (Loss), Balance End	(9,149)	(16,739)	(15,256)
Foreign Currency Translation [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Balance Start	(14,989)	(14,370)
Foreign Currency Translation Unrealized (loss) gain	8,529	(619)
Accumulated Other Comprehensive Income (Loss), Balance End	(6,460)	(14,989)	(14,370)
Pension Benefit Obligation [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Balance Start	(1,750)	(886)
Unrealized gain/(loss)	(1,012)	(889)
Amortization of unrealized loss	73	25
Accumulated Other Comprehensive Income (Loss), Balance End	(2,689)	(1,750)	$ (886)
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Unrealized gain/(loss)	$ 7,517	$ (1,508)