SEGMENT INFORMATION (Schedule of Revenues by Geographic Area) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Oct. 31, 2017	Jul. 31, 2017	Apr. 30, 2017	Jan. 31, 2017	Oct. 31, 2016	Jul. 31, 2016	Apr. 30, 2016	Jan. 31, 2016	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2015
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 75,931	$ 60,770	$ 58,222	$ 48,744	$ 66,354	$ 52,403	$ 52,029	$ 56,503	$ 243,667	$ 227,289	$ 219,383
United States of America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									70,912	70,630	66,781
Canada [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									3,801	3,881	3,114
Central & South America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									1,844	1,950	1,930
Total Americas [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									76,557	76,461	71,825
Germany [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									48,786	44,411	43,727
United Kingdom [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									28,019	25,313	30,235
Italy [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									13,416	12,947	11,768
France [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									13,917	13,787	13,162
Other Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									27,583	27,150	26,598
Total Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									131,721	123,608	125,490
Asia Pacific [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									32,694	25,633	20,265
Other Foreign [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									2,695	1,587	1,803
Foreign [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									$ 167,110	$ 150,828	$ 147,558