FAIR VALUE MEASUREMENTS (Details 1) (USD $) In Thousands, unless otherwise specified	6 Months Ended
Apr. 30, 2012
Balance, Assets	$ 573
Contingent consideration related to acquisition	0
Increase in value of contingent consideration	0
Total unrealized gains	3
Balance, Assets	576
Balances, Liabilities	0
Contingent consideration related to acquisition	10,778
Increase in value of contingent consideration	47
Total unrealized gains	0
Balances, Liabilities	$ 10,825

This element represents the amount of any change, including any differences arising upon settlement, recognized during the reporting period in the value of an asset or assets, arising from an item of contingent consideration, recognized in a business combination.

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