STOCK OPTIONS (Details 1) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Number Outstanding (in shares)	3,142	2,899	2,893	4,175
Outstanding Weighted Average Exercise Price (in dollars per share)	$ 21.48	$ 16.90	$ 14.50	$ 7.74
Outstanding Weighted Average Contractual Life (in years)	6 years 9 months 19 days
Outstanding Aggregated Intrinsic Value (in dollars)	$ 76,891
Number Exercisable (in shares)	1,532
Exercisable Weighted Average Exercise Price (in dollars per share)	$ 15.43
Exercisable Weighted Average Contractual Life (in years)	5 years 4 months 24 days
Exercisable Aggregate Intrinsic Value (in dollars)	49,482
Common Stock [Member]
Number Outstanding (in shares)	1,484
Outstanding Weighted Average Exercise Price (in dollars per share)	$ 21.14
Outstanding Weighted Average Contractual Life (in years)	6 years 3 months 18 days
Outstanding Aggregated Intrinsic Value (in dollars)	48,139
Number Exercisable (in shares)	918
Exercisable Weighted Average Exercise Price (in dollars per share)	$ 16.77
Exercisable Weighted Average Contractual Life (in years)	5 years 6 months
Exercisable Aggregate Intrinsic Value (in dollars)	33,784
Common Class A [Member]
Number Outstanding (in shares)	1,658
Outstanding Weighted Average Exercise Price (in dollars per share)	$ 21.78
Outstanding Weighted Average Contractual Life (in years)	7 years 3 months 18 days
Outstanding Aggregated Intrinsic Value (in dollars)	28,752
Number Exercisable (in shares)	614
Exercisable Weighted Average Exercise Price (in dollars per share)	$ 13.43
Exercisable Weighted Average Contractual Life (in years)	5 years 2 months 12 days
Exercisable Aggregate Intrinsic Value (in dollars)	$ 15,698