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INCOME TAXES (Schedule of Provision (Benefit) for Income Taxes) (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Oct. 31, 2015
Jul. 31, 2015
Apr. 30, 2015
Jan. 31, 2015
Oct. 31, 2014
Jul. 31, 2014
Apr. 30, 2014
Jan. 31, 2014
Oct. 31, 2015
Oct. 31, 2014
Oct. 31, 2013
Current:                      
U.S. taxes                 $ 4,600 $ 3,498 $ 737
Foreign taxes                 3,752 3,594 2,606
Current provision (benefit) for income taxes                 8,352 7,092 3,343
Deferred:                      
U.S. taxes                 (896) (709) 855
Foreign taxes                 (117) (165) 54
Deferred provision (benefit) for income taxes                 (1,013) (874) 909
Provision (benefit) for income taxes $ 1,851 $ 1,573 $ 1,878 $ 2,037 $ 2,045 $ 1,684 $ 1,585 $ 904 $ 7,339 $ 6,218 $ 4,252