SELECTED FINANCIAL STATEMENT INFORMATION SELECTED FINANCIAL STATEMENT INFORMATION (Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2017	Jul. 31, 2016	Jul. 31, 2017	Jul. 31, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]
Starting accumulated other comprehensive loss			$ (25,326)
Unrealized gain			16,737
Amortization of unrealized loss on defined benefit pension plan, net of tax	$ 7	$ 0	22	$ 0
Ending accumulated other comprehensive loss	(8,567)		(8,567)
Foreign Currency Translation [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Starting accumulated other comprehensive loss			(23,953)
Unrealized gain			16,737
Ending accumulated other comprehensive loss	(7,216)		(7,216)
Pension Benefit Obligation [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Starting accumulated other comprehensive loss			(1,373)
Amortization of unrealized loss on defined benefit pension plan, net of tax			22
Ending accumulated other comprehensive loss	$ (1,351)		$ (1,351)