SELECTED FINANCIAL STATEMENT INFORMATION SELECTED FINANCIAL STATEMENT INFORMATION, Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Balance Start	$ (25,326)
Unrealized gain/(loss)	15,696	$ (308)	$ (17,651)
Amortization of unrealized loss	(46)	0	0
Accumulated Other Comprehensive Income (Loss), Balance End	(10,556)	(25,326)
Foreign Currency Translation [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Balance Start	(23,953)	(24,368)
Unrealized gain/(loss)	14,420	415
Accumulated Other Comprehensive Income (Loss), Balance End	(9,533)	(23,953)	(24,368)
Pension Benefit Obligation [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Balance Start	(1,373)	(712)
Unrealized gain/(loss)	321	(661)
Amortization of unrealized loss	29
Accumulated Other Comprehensive Income (Loss), Balance End	(1,023)	(1,373)	(712)
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Balance Start	(25,326)	(25,080)
Unrealized gain/(loss)	14,741	(246)
Amortization of unrealized loss	29
Accumulated Other Comprehensive Income (Loss), Balance End	$ (10,556)	$ (25,326)	$ (25,080)