Fair Value (Details 2) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands	6 Months Ended
	Apr. 30, 2016	Oct. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities, Fair Value Disclosure	$ 4,275	$ 38,663
Business acquisition contingent consideration at fair value
Business Combination, Contingent Consideration, Liability	4,275
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities, Fair Value Disclosure	0	35,820
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities, Fair Value Disclosure	4,275	2,843
Business acquisition contingent consideration at fair value
Fair value adjustment	(46)
Business Combination, Contingent Consideration, Effect on Foreign Currency	(22)
Business Combination, Contingent Consideration, Liability	4,275	2,843
Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Contingent Consideration Liability Recorded	1,500
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities, Fair Value Disclosure	$ 0	$ 0