SHARE-BASED COMPENSATION EXPENSE (Details 2) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions	3 Months Ended
	Jan. 31, 2017	Oct. 31, 2016
Summarizes information with respect to stock options outstanding
Weighted average exercise price - options (in dollars per share)	$ 28.41	$ 26.90
Range of exercise price 0.45 to 11.16
Summarizes information with respect to stock options outstanding
Range of exercise price, Lower (in dollars per share)	0.45
Range of exercise price, Upper (in dollars per share)	$ 11.16
Number of underlying shares - options (in shares)	112
Weighted average remaining contractual life - options (in years)	2 years 8 months 23 days
Weighted average exercise price - options (in dollars per share)	$ 7.48
Aggregate intrinsic value - options	$ 1,913
Number of underlying shares - vested options (in shares)	110
Weighted average remaining contractual life - vested options (in years)	2 years 8 months 5 days
Weighted average exercise price - vested options (in dollars per share)	$ 7.45
Aggregate intrinsic value - vested options	$ 1,896
Range of exercise price 11.34 to 17.24
Summarizes information with respect to stock options outstanding
Range of exercise price, Lower (in dollars per share)	$ 11.34
Range of exercise price, Upper (in dollars per share)	$ 17.24
Number of underlying shares - options (in shares)	242
Weighted average remaining contractual life - options (in years)	5 years 4 months 6 days
Weighted average exercise price - options (in dollars per share)	$ 13.31
Aggregate intrinsic value - options	$ 2,736
Number of underlying shares - vested options (in shares)	231
Weighted average remaining contractual life - vested options (in years)	5 years 2 months 27 days
Weighted average exercise price - vested options (in dollars per share)	$ 13.23
Aggregate intrinsic value - vested options	$ 2,631
Range of exercise price 17.50 to 30.46
Summarizes information with respect to stock options outstanding
Range of exercise price, Lower (in dollars per share)	$ 17.50
Range of exercise price, Upper (in dollars per share)	$ 30.46
Number of underlying shares - options (in shares)	178
Weighted average remaining contractual life - options (in years)	1 year 11 months 5 days
Weighted average exercise price - options (in dollars per share)	$ 26.02
Aggregate intrinsic value - options	$ 257
Number of underlying shares - vested options (in shares)	165
Weighted average remaining contractual life - vested options (in years)	1 year 5 months 23 days
Weighted average exercise price - vested options (in dollars per share)	$ 26.61
Aggregate intrinsic value - vested options	$ 179
Range of exercise price 31.93 to 37.10
Summarizes information with respect to stock options outstanding
Range of exercise price, Lower (in dollars per share)	$ 31.93
Range of exercise price, Upper (in dollars per share)	$ 37.10
Number of underlying shares - options (in shares)	323
Weighted average remaining contractual life - options (in years)	2 years 1 month 6 days
Weighted average exercise price - options (in dollars per share)	$ 35.19
Aggregate intrinsic value - options	$ 0
Number of underlying shares - vested options (in shares)	322
Weighted average remaining contractual life - vested options (in years)	2 years 1 month 2 days
Weighted average exercise price - vested options (in dollars per share)	$ 35.18
Aggregate intrinsic value - vested options	$ 0
Range of exercise price 37.82 to 55.63
Summarizes information with respect to stock options outstanding
Range of exercise price, Lower (in dollars per share)	$ 37.82
Range of exercise price, Upper (in dollars per share)	$ 55.63
Number of underlying shares - options (in shares)	243
Weighted average remaining contractual life - options (in years)	4 years 5 months 23 days
Weighted average exercise price - options (in dollars per share)	$ 45.84
Aggregate intrinsic value - options	$ 0
Number of underlying shares - vested options (in shares)	227
Weighted average remaining contractual life - vested options (in years)	4 years 4 months 2 days
Weighted average exercise price - vested options (in dollars per share)	$ 45.87
Aggregate intrinsic value - vested options	$ 0
Range of exercise price 0.05 to 55.63
Summarizes information with respect to stock options outstanding
Range of exercise price, Lower (in dollars per share)	$ 0.45
Range of exercise price, Upper (in dollars per share)	$ 55.63
Number of underlying shares - options (in shares)	1,098
Weighted average remaining contractual life - options (in years)	3 years 4 months 17 days
Weighted average exercise price - options (in dollars per share)	$ 28.41
Aggregate intrinsic value - options	$ 4,906
Number of underlying shares - vested options (in shares)	1,055
Weighted average remaining contractual life - vested options (in years)	3 years 2 months 23 days
Weighted average exercise price - vested options (in dollars per share)	$ 28.42
Aggregate intrinsic value - vested options	$ 4,706